pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = spatialite.pc

coverage-init:
	lcov --directory src --capture --initial --output-file libspatialite_cov.info

coverage::
	lcov --rc lcov_branch_coverage=1 --directory src --output-file libspatialite_cov.info --capture
	genhtml --rc lcov_branch_coverage=1 -o covresults libspatialite_cov.info

MOSTLYCLEANFILES = libspatialite_cov.info

pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = spatialite.pc

coverage-init:
	lcov --directory src --capture --initial --output-file libspatialite_cov.info

coverage::
	lcov --directory src --output-file libspatialite_cov.info --capture
	genhtml -o covresults libspatialite_cov.info

MOSTLYCLEANFILES = libspatialite_cov.info

	uninstall-am uninstall-pkgconfigDATA


coverage-init:
	lcov --directory src --capture --initial --output-file libspatialite_cov.info

coverage::
	lcov --rc lcov_branch_coverage=1 --directory src --output-file libspatialite_cov.info --capture
	genhtml --rc lcov_branch_coverage=1 -o covresults libspatialite_cov.info

# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

	uninstall-am uninstall-pkgconfigDATA


coverage-init:
	lcov --directory src --capture --initial --output-file libspatialite_cov.info

coverage::
	lcov --directory src --output-file libspatialite_cov.info --capture
	genhtml -o covresults libspatialite_cov.info

# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

/* config.h.in.  Generated from configure.ac by autoheader.  */

/* Should be defined in order to enable GCP support. */
#undef ENABLE_GCP

/* Should be defined in order to enable GeoPackage support. */
#undef ENABLE_GEOPACKAGE

/* Should be defined in order to enable LIBXML2 support. */
#undef ENABLE_LIBXML2

/* config.h.in.  Generated from configure.ac by autoheader.  */

/* Should be defined in order to enable CONTROL_POINTS support. */
#undef ENABLE_CONTROL_POINTS

/* Should be defined in order to enable GeoPackage support. */
#undef ENABLE_GEOPACKAGE

/* Should be defined in order to enable LIBXML2 support. */
#undef ENABLE_LIBXML2

enable_geocallbacks
enable_proj
enable_iconv
enable_freexl
enable_epsg
enable_geos
with_geosconfig
enable_gcp
enable_geosadvanced
enable_lwgeom
enable_libxml2
enable_geopackage
enable_gcov
enable_examples
'
................................................................................
  --enable-mathsql        enables SQL math functions [default=yes]
  --enable-geocallbacks   enables geometry callbacks [default=no]
  --enable-proj           enables PROJ.4 inclusion [default=yes]
  --enable-iconv          enables ICONV inclusion [default=yes]
  --enable-freexl         enables FreeXL inclusion [default=yes]
  --enable-epsg           enables full EPSG dataset support [default=yes]
  --enable-geos           enables GEOS inclusion [default=yes]
  --enable-gcp            enables Control Points (from Grass GIS) [default=no]
  --enable-geosadvanced   enables GEOS advanced features [default=yes]
  --enable-lwgeom         enables LWGEOM support [default=no]
  --enable-libxml2        enables libxml2 inclusion [default=yes]
  --enable-geopackage     enables GeoPackage support [default=yes]
  --enable-gcov           turn on code coverage analysis tools
  --enable-examples       enables building examples [default=yes]

................................................................................
  LIBS="-lz $LIBS"

else
  as_fn_error $? "'libz' is required but it doesn't seem to be installed on this system." "$LINENO" 5
fi


ac_config_files="$ac_config_files Makefile src/Makefile src/headers/Makefile src/gaiaaux/Makefile src/gaiaexif/Makefile src/gaiageo/Makefile src/gaiageo/flex/Makefile src/gaiageo/lemon/Makefile src/gaiageo/lemon/lemon_src/Makefile src/geopackage/Makefile src/spatialite/Makefile src/shapefiles/Makefile src/dxf/Makefile src/md5/Makefile src/control_points/Makefile src/srsinit/Makefile src/srsinit/epsg_update/Makefile src/connection_cache/Makefile src/connection_cache/generator/Makefile src/virtualtext/Makefile src/wfs/Makefile test/Makefile test/sql_stmt_tests/Makefile test/sql_stmt_geos_tests/Makefile test/sql_stmt_geosadvanced_tests/Makefile test/sql_stmt_geopackage_tests/Makefile test/sql_stmt_proj_tests/Makefile test/sql_stmt_mathsql_tests/Makefile test/sql_stmt_lwgeom_tests/Makefile test/sql_stmt_libxml2_tests/Makefile test/sql_stmt_security_tests/Makefile test/sql_stmt_xmlsec_tests/Makefile test/sql_stmt_freexl_tests/Makefile test/sql_stmt_cache_tests/Makefile test/sql_stmt_nocache_tests/Makefile examples/Makefile Doxyfile spatialite.pc"


# exporting the TARGET_CPU string
splite_cpu=`$CC -dumpmachine`
cat >>confdefs.h <<_ACEOF
#define TARGET_CPU "$splite_cpu"
_ACEOF
................................................................................

  LIBS="$LIBS_SAVE"
  LIBS="$LIBS $GEOS_LDFLAGS -lgeos_c"

  #-----------------------------------------------------------------------
  #   --enable-controlpoints
  #
  # Check whether --enable-gcp was given.
if test "${enable_gcp+set}" = set; then :
  enableval=$enable_gcp;
else
  enable_gcp=no
fi

  if test x"$enable_gcp" != "xno"; then
	  $as_echo "#define ENABLE_GCP 1" >>confdefs.h

  fi

  #-----------------------------------------------------------------------
  #   --enable-geosadvanced
  #
  # Check whether --enable-geosadvanced was given.
................................................................................
    "test/sql_stmt_proj_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_proj_tests/Makefile" ;;
    "test/sql_stmt_mathsql_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_mathsql_tests/Makefile" ;;
    "test/sql_stmt_lwgeom_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_lwgeom_tests/Makefile" ;;
    "test/sql_stmt_libxml2_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_libxml2_tests/Makefile" ;;
    "test/sql_stmt_security_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_security_tests/Makefile" ;;
    "test/sql_stmt_xmlsec_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_xmlsec_tests/Makefile" ;;
    "test/sql_stmt_freexl_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_freexl_tests/Makefile" ;;
    "test/sql_stmt_cache_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_cache_tests/Makefile" ;;
    "test/sql_stmt_nocache_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_nocache_tests/Makefile" ;;
    "examples/Makefile") CONFIG_FILES="$CONFIG_FILES examples/Makefile" ;;
    "Doxyfile") CONFIG_FILES="$CONFIG_FILES Doxyfile" ;;
    "spatialite.pc") CONFIG_FILES="$CONFIG_FILES spatialite.pc" ;;

  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
  esac
done
................................................................................
#-----------------------------------------------------------------------
# printing an eventual message reporting about GPL escalation
#-----------------------------------------------------------------------
gpl_escalation=no;
if test x"$enable_lwgeom" != "xno"; then
    gpl_escalation=yes
fi
if test x"$enable_gcp" != "xno"; then
    gpl_escalation=yes
fi
if test x"$gpl_escalation" != xno; then
    echo
    echo
    echo "=============================================================="
    echo "                        IMPORTANT NOTICE"
    echo "=============================================================="
    echo "You have selected --enable-lwgeom and/or --enable-gcp"
    echo
    echo "Both modules strictly depend on code released under the GPLv2+"
    echo "license, wich is virally infective by definition."
    echo "Consequently the copy of libspatialite you are going to build"
    echo "if configured this way *must* be released under the GPLv2+ license."
    echo
    echo "If you wish better preserving the initial MPL tri-license you"
    echo "simply have to reconfigure by specifying the following options:"
    echo "        --disable-lwgeom --disable-gcp"
    echo "=============================================================="

fi

enable_geocallbacks
enable_proj
enable_iconv
enable_freexl
enable_epsg
enable_geos
with_geosconfig
enable_controlpoints
enable_geosadvanced
enable_lwgeom
enable_libxml2
enable_geopackage
enable_gcov
enable_examples
'
................................................................................
  --enable-mathsql        enables SQL math functions [default=yes]
  --enable-geocallbacks   enables geometry callbacks [default=no]
  --enable-proj           enables PROJ.4 inclusion [default=yes]
  --enable-iconv          enables ICONV inclusion [default=yes]
  --enable-freexl         enables FreeXL inclusion [default=yes]
  --enable-epsg           enables full EPSG dataset support [default=yes]
  --enable-geos           enables GEOS inclusion [default=yes]
  --enable-controlpoints  enables Control Points (from Grass GIS) [default=no]
  --enable-geosadvanced   enables GEOS advanced features [default=yes]
  --enable-lwgeom         enables LWGEOM support [default=no]
  --enable-libxml2        enables libxml2 inclusion [default=yes]
  --enable-geopackage     enables GeoPackage support [default=yes]
  --enable-gcov           turn on code coverage analysis tools
  --enable-examples       enables building examples [default=yes]

................................................................................
  LIBS="-lz $LIBS"

else
  as_fn_error $? "'libz' is required but it doesn't seem to be installed on this system." "$LINENO" 5
fi


ac_config_files="$ac_config_files Makefile src/Makefile src/headers/Makefile src/gaiaaux/Makefile src/gaiaexif/Makefile src/gaiageo/Makefile src/gaiageo/flex/Makefile src/gaiageo/lemon/Makefile src/gaiageo/lemon/lemon_src/Makefile src/geopackage/Makefile src/spatialite/Makefile src/shapefiles/Makefile src/dxf/Makefile src/md5/Makefile src/control_points/Makefile src/srsinit/Makefile src/srsinit/epsg_update/Makefile src/connection_cache/Makefile src/connection_cache/generator/Makefile src/virtualtext/Makefile src/wfs/Makefile test/Makefile test/sql_stmt_tests/Makefile test/sql_stmt_geos_tests/Makefile test/sql_stmt_geosadvanced_tests/Makefile test/sql_stmt_geopackage_tests/Makefile test/sql_stmt_proj_tests/Makefile test/sql_stmt_mathsql_tests/Makefile test/sql_stmt_lwgeom_tests/Makefile test/sql_stmt_libxml2_tests/Makefile test/sql_stmt_security_tests/Makefile test/sql_stmt_xmlsec_tests/Makefile test/sql_stmt_freexl_tests/Makefile examples/Makefile Doxyfile spatialite.pc"


# exporting the TARGET_CPU string
splite_cpu=`$CC -dumpmachine`
cat >>confdefs.h <<_ACEOF
#define TARGET_CPU "$splite_cpu"
_ACEOF
................................................................................

  LIBS="$LIBS_SAVE"
  LIBS="$LIBS $GEOS_LDFLAGS -lgeos_c"

  #-----------------------------------------------------------------------
  #   --enable-controlpoints
  #
  # Check whether --enable-controlpoints was given.
if test "${enable_controlpoints+set}" = set; then :
  enableval=$enable_controlpoints;
else
  enable_controlpoints=no
fi

  if test x"$enable_controlpoints" != "xno"; then
	  $as_echo "#define ENABLE_CONTROL_POINTS 1" >>confdefs.h

  fi

  #-----------------------------------------------------------------------
  #   --enable-geosadvanced
  #
  # Check whether --enable-geosadvanced was given.
................................................................................
    "test/sql_stmt_proj_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_proj_tests/Makefile" ;;
    "test/sql_stmt_mathsql_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_mathsql_tests/Makefile" ;;
    "test/sql_stmt_lwgeom_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_lwgeom_tests/Makefile" ;;
    "test/sql_stmt_libxml2_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_libxml2_tests/Makefile" ;;
    "test/sql_stmt_security_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_security_tests/Makefile" ;;
    "test/sql_stmt_xmlsec_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_xmlsec_tests/Makefile" ;;
    "test/sql_stmt_freexl_tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/sql_stmt_freexl_tests/Makefile" ;;


    "examples/Makefile") CONFIG_FILES="$CONFIG_FILES examples/Makefile" ;;
    "Doxyfile") CONFIG_FILES="$CONFIG_FILES Doxyfile" ;;
    "spatialite.pc") CONFIG_FILES="$CONFIG_FILES spatialite.pc" ;;

  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
  esac
done
................................................................................
#-----------------------------------------------------------------------
# printing an eventual message reporting about GPL escalation
#-----------------------------------------------------------------------
gpl_escalation=no;
if test x"$enable_lwgeom" != "xno"; then
    gpl_escalation=yes
fi
if test x"$enable_controlpoints" != "xno"; then
    gpl_escalation=yes
fi
if test x"$gpl_escalation" != xno; then
    echo
    echo
    echo "=============================================================="
    echo "                        IMPORTANT NOTICE"
    echo "=============================================================="
    echo "You have selected --enable-lwgeom and/or --enable-controlpoints"
    echo
    echo "Both modules strictly depend on code released under the GPLv2+"
    echo "license, wich is virally infective by definition."
    echo "Consequently the copy of libspatialite you are going to build"
    echo "if configured this way *must* be released under the GPLv2+ license."
    echo
    echo "If you wish better preserving the initial MPL tri-license you"
    echo "simply have to reconfigure by specifying the following options:"
    echo "        --disable-lwgeom --disable-controlpoints"
    echo "=============================================================="

fi

            [Should be defined in order to disable GEOS support.])
AH_TEMPLATE([GEOS_ADVANCED],
            [Should be defined in order to enable GEOS_ADVANCED support.])
AH_TEMPLATE([GEOS_TRUNK],
            [Should be defined in order to enable GEOS_TRUNK experimental support.])
AH_TEMPLATE([ENABLE_LWGEOM],
            [Should be defined in order to enable LWGEOM support.])
AH_TEMPLATE([ENABLE_GCP],
            [Should be defined in order to enable GCP support.])
AH_TEMPLATE([OMIT_PROJ],
            [Should be defined in order to disable PROJ.4 support.])
AH_TEMPLATE([OMIT_ICONV],
            [Should be defined in order to disable ICONV support.])
AH_TEMPLATE([OMIT_MATHSQL],
            [Should be defined in order to disable MATHSQL support.])
AH_TEMPLATE([OMIT_EPSG],
................................................................................
		test/sql_stmt_proj_tests/Makefile \
		test/sql_stmt_mathsql_tests/Makefile \
		test/sql_stmt_lwgeom_tests/Makefile \
		test/sql_stmt_libxml2_tests/Makefile \
		test/sql_stmt_security_tests/Makefile \
		test/sql_stmt_xmlsec_tests/Makefile \
		test/sql_stmt_freexl_tests/Makefile \
		test/sql_stmt_cache_tests/Makefile \
		test/sql_stmt_nocache_tests/Makefile \
		examples/Makefile \
		Doxyfile \
		spatialite.pc])

# exporting the TARGET_CPU string
splite_cpu=`$CC -dumpmachine`
AC_DEFINE_UNQUOTED([TARGET_CPU], ["$splite_cpu"])
................................................................................
  AC_SEARCH_LIBS(GEOSCoveredBy,geos_c,,AC_MSG_ERROR([could not find libgeos_c (or obsolete 'libgeos_c' < v.3.3.0 found) - you may need to specify the directory of a geos-config file using --with-geosconfig]))
  LIBS="$LIBS_SAVE"
  LIBS="$LIBS $GEOS_LDFLAGS -lgeos_c"

  #-----------------------------------------------------------------------
  #   --enable-controlpoints
  #
  AC_ARG_ENABLE(gcp, [AS_HELP_STRING(
	  [--enable-gcp], [enables Control Points (from Grass GIS) [default=no]])],
	  [], [enable_gcp=no])
  if test x"$enable_gcp" != "xno"; then
	  AC_DEFINE(ENABLE_GCP)
  fi

  #-----------------------------------------------------------------------
  #   --enable-geosadvanced
  #
  AC_ARG_ENABLE(geosadvanced, [AS_HELP_STRING(
	  [--enable-geosadvanced], [enables GEOS advanced features [default=yes]])],
................................................................................
#-----------------------------------------------------------------------
# printing an eventual message reporting about GPL escalation
#-----------------------------------------------------------------------
gpl_escalation=no;
if test x"$enable_lwgeom" != "xno"; then
    gpl_escalation=yes
fi
if test x"$enable_gcp" != "xno"; then
    gpl_escalation=yes
fi
if test x"$gpl_escalation" != xno; then
    echo 
    echo
    echo "=============================================================="
    echo "                        IMPORTANT NOTICE"
    echo "=============================================================="
    echo "You have selected --enable-lwgeom and/or --enable-gcp"
    echo
    echo "Both modules strictly depend on code released under the GPLv2+"
    echo "license, wich is virally infective by definition."
    echo "Consequently the copy of libspatialite you are going to build"
    echo "if configured this way *must* be released under the GPLv2+ license."
    echo
    echo "If you wish better preserving the initial MPL tri-license you"
    echo "simply have to reconfigure by specifying the following options:"
    echo "        --disable-lwgeom --disable-gcp"
    echo "=============================================================="
    
fi

            [Should be defined in order to disable GEOS support.])
AH_TEMPLATE([GEOS_ADVANCED],
            [Should be defined in order to enable GEOS_ADVANCED support.])
AH_TEMPLATE([GEOS_TRUNK],
            [Should be defined in order to enable GEOS_TRUNK experimental support.])
AH_TEMPLATE([ENABLE_LWGEOM],
            [Should be defined in order to enable LWGEOM support.])
AH_TEMPLATE([ENABLE_CONTROL_POINTS],
            [Should be defined in order to enable CONTROL_POINTS support.])
AH_TEMPLATE([OMIT_PROJ],
            [Should be defined in order to disable PROJ.4 support.])
AH_TEMPLATE([OMIT_ICONV],
            [Should be defined in order to disable ICONV support.])
AH_TEMPLATE([OMIT_MATHSQL],
            [Should be defined in order to disable MATHSQL support.])
AH_TEMPLATE([OMIT_EPSG],
................................................................................
		test/sql_stmt_proj_tests/Makefile \
		test/sql_stmt_mathsql_tests/Makefile \
		test/sql_stmt_lwgeom_tests/Makefile \
		test/sql_stmt_libxml2_tests/Makefile \
		test/sql_stmt_security_tests/Makefile \
		test/sql_stmt_xmlsec_tests/Makefile \
		test/sql_stmt_freexl_tests/Makefile \


		examples/Makefile \
		Doxyfile \
		spatialite.pc])

# exporting the TARGET_CPU string
splite_cpu=`$CC -dumpmachine`
AC_DEFINE_UNQUOTED([TARGET_CPU], ["$splite_cpu"])
................................................................................
  AC_SEARCH_LIBS(GEOSCoveredBy,geos_c,,AC_MSG_ERROR([could not find libgeos_c (or obsolete 'libgeos_c' < v.3.3.0 found) - you may need to specify the directory of a geos-config file using --with-geosconfig]))
  LIBS="$LIBS_SAVE"
  LIBS="$LIBS $GEOS_LDFLAGS -lgeos_c"

  #-----------------------------------------------------------------------
  #   --enable-controlpoints
  #
  AC_ARG_ENABLE(controlpoints, [AS_HELP_STRING(
	  [--enable-controlpoints], [enables Control Points (from Grass GIS) [default=no]])],
	  [], [enable_controlpoints=no])
  if test x"$enable_controlpoints" != "xno"; then
	  AC_DEFINE(ENABLE_CONTROL_POINTS)
  fi

  #-----------------------------------------------------------------------
  #   --enable-geosadvanced
  #
  AC_ARG_ENABLE(geosadvanced, [AS_HELP_STRING(
	  [--enable-geosadvanced], [enables GEOS advanced features [default=yes]])],
................................................................................
#-----------------------------------------------------------------------
# printing an eventual message reporting about GPL escalation
#-----------------------------------------------------------------------
gpl_escalation=no;
if test x"$enable_lwgeom" != "xno"; then
    gpl_escalation=yes
fi
if test x"$enable_controlpoints" != "xno"; then
    gpl_escalation=yes
fi
if test x"$gpl_escalation" != xno; then
    echo 
    echo
    echo "=============================================================="
    echo "                        IMPORTANT NOTICE"
    echo "=============================================================="
    echo "You have selected --enable-lwgeom and/or --enable-controlpoints"
    echo
    echo "Both modules strictly depend on code released under the GPLv2+"
    echo "license, wich is virally infective by definition."
    echo "Consequently the copy of libspatialite you are going to build"
    echo "if configured this way *must* be released under the GPLv2+ license."
    echo
    echo "If you wish better preserving the initial MPL tri-license you"
    echo "simply have to reconfigure by specifying the following options:"
    echo "        --disable-lwgeom --disable-controlpoints"
    echo "=============================================================="
    
fi

		</style>
	</head><body bgcolor="#fffff0">
		<h2>SpatiaLite 4.3.0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SQL functions reference list</h2>
		<a href="https://www.gaia-gis.it/fossil/libspatialite">back</a>
		<ul>
			<li><a href="#version">SQL Version Info [and build options testing] functions</a></li>
			<li><a href="#generic">Generic SQL utility functions</a></li>
			<li><a href="#global">Global settings per connection</a></li>
			<li><a href="#math">SQL math functions</a></li>
			<li><a href="#error">SQL functions reporting GEOS / LWGEOM errors and warnings</a></li>
			<li><a href="#length_cvt">SQL length/distance unit-conversion functions</a></li>
			<li><a href="#dms_cvt">SQL conversion functions from DD/DMS notations (longitude/latitude)</a></li>
			<li><a href="#blob">SQL utility functions for BLOB objects</a></li>
			<li><a href="#p0">SQL utility functions [non-standard] for geometric objects</a></li>
			<li><a href="#p1">SQL functions for constructing a geometric object given its Well-known Text Representation</a></li>
................................................................................
			<li><a href="#p12">SQL functions that test spatial relationships</a></li>
			<li><a href="#p13">SQL functions for distance relationships</a></li>
			<li><a href="#p14">SQL functions that implement spatial operators</a></li>
			<li><a href="#p14b">SQL functions that implement spatial operators [GEOS specific features]</a></li>
			<li><a href="#p14c">SQL functions that implement spatial operators [GEOS advanced features]</a></li>
			<li><a href="#p14d">SQL functions that implement spatial operators [LWGEOM features]</a></li>
			<li><a href="#p15">SQL functions for coordinate transformations</a></li>
			<li><a href="#p15plus">SQL functions supporting Affine Transformations and Ground Control Points</a></li>
			<li><a href="#p16">SQL functions for Spatial-MetaData and Spatial-Index handling</a></li>
			<li><a href="#p16metacatalog">SQL functions supporting the MetaCatalog and related Statistics</a></li>
			<li><a href="#p16style">SQL functions supporting SLD/SE Styled Layers</a></li>
			<li><a href="#p16isometa">SQL functions supporting ISO Metadata</a></li>
			<li><a href="#p16fdo">SQL functions implementing FDO/OGR compatibility</a></li>
			<li><a href="#p16gpkg">SQL functions implementing OGC GeoPackage compatibility</a></li>
			<li><a href="#p17">SQL functions for MbrCache-based queries</a></li>
................................................................................
				<td colspan="3">returns the File Extension from a relative or absolute Pathname.<br>Will return <b>NULL</b> for invalid input of for any path
				 lacking a File Name or when no Extension is present.</td></tr>
			<tr><td><b>eval</b></td>
				<td>eval( X <i>TEXT</i> [ , Y <i>TEXT</i> ) : <i>Text</i></td>
				<td colspan="3">Evaluate the SQL text in <b>X</b>.  Return the results, using string <b>Y</b> as the separator.<br>
				If <b>Y</b> is omitted, use a single space character.<hr>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
            <tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="global">Global settings per connection</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>EnableGpkgAmphibiousMode</b></td>
				<td>EnableGpkgAmphibiousMode( <i>void</i> ) : <i>void</i></td>
				<td colspan="3">Enables the <b>Geopackage amphibious mode</b><br>
				all connections initially start by disabling the amphibious mode, that has always to be explicitly enabled whenever reguired.</td></tr>
			<tr><td><b>DisableGpkgAmphibiousMode</b></td>
				<td>DisableGpkgAmphibiousMode( <i>void</i> ) : <i>void</i></td>
				<td colspan="3">Disables the <b>Geopackage amphibious mode</b></td></tr>
			<tr><td><b>GetGpkgAmphibiousMode</b></td>
				<td>GetGpkgAmphibiousMode( <i>void</i> ) : <i>boolean</i></td>
				<td colspan="3">Returns <b>TRUE</b> if the <b>Geopackage amphibious mode</b> is currently enabled, otherwise <b>FALSE</b></td></tr>
			<tr><td><b>SetDecimalPrecision</b></td>
				<td>SetDecimalPrecision( <i>integer</i> ) : <i>void</i></td>
				<td colspan="3">Explicitly sets the number of decimal digits (<i>precision</i>) to be displayed by <b>ST_AsText()</b> for coordinate values: the standard default setting is <b>6</b> decimal digits.<br>
				Passing any <b>negative</b> precision will automatically restore the initial default setting.<br>
				The <b>spatialite_gui</b> tool will honor this setting for all floating point values to be displayed on the screen.</td></tr>
			<tr><td><b>GetDecimalPrecision</b></td>
				<td>GetDecimalPrecision( <i>void</i> ) : <i>integer</i></td>
				<td colspan="3">Returns the currently set <b>decimal precision</b>.<br>
				A <b>negative</b> precision identifies the default setting.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="math">SQL math functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Abs</b></td>
				<td>Abs( x <i>Double precision</i> ) : <i>Double precision</i></td>
................................................................................
			<tr><td><b>Asin</b></td>
				<td>Asin( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the arc sine of <b>x</b>, that is, the value whose sine is <b>x</b><br>
				returns NULL if <b>x</b> is not in the range -1 to 1</td></tr>
			<tr><td><b>Atan</b></td>
				<td>Atan( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the arc tangent of <b>x</b>, that is, the value whose tangent is <b>x</b></td></tr>
			<tr><td><b>Atan2</b></td>
				<td>Atan2( x <i>Double precision</i> , y <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the principal value of the arc tangent of <b>y/x</b> in radians, using the signs of the two
				arguments to determine the quadrant of the result. The eturn value is in the range[<b>-pi</b>, <b>pi</b>].</td></tr>
			<tr><td><b>Ceil<br>Ceiling</b></td>
				<td>Ceil( x <i>Double precision</i> ) : <i>Double precision</i><hr>
				Ceiling( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the smallest integer value not less than <b>x</b></td></tr>
			<tr><td><b>Cos</b></td>
				<td>Cos( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the cosine of <b>x</b>, where <b>x</b> is given in <u>radians</u></td></tr>
................................................................................
					i.e. if xAxis is 0 (FALSE), then x-coordinates remains untouched; otherwise x-coordinates will be reflected</td></tr>
			<tr><td><b>SwapCoords</b><br><b>SwapCoordinates</b></td>
				<td>SwapCoords( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					SwapCoordinates( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a geometric object obtained by swapping x- and y-coordinates</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">	
				<h3><a name="p15plus">SQL functions supporting Affine Transformations and Ground Control Points</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>ATM_Create</b></td>
				<td>ATM_Create( <i>void</i> ) : <i>AffineMatrix</i><hr>
				ATM_Create( a <i>Integer</i> , b <i>Integer</i> , d <i>Integer</i> , e <i>Integer</i> , xoff <i>Integer</i> , yoff <i>Integer</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_Create( a <i>Integer</i> , b <i>Integer</i> , c <i>Integer</i> , d <i>Integer</i> , e <i>Integer</i>  , f <i>Integer</i> , 
				g <i>Integer</i> , h </>Integer</i> , i <i>Integer</i> , xoff <i>Integer</i> , yoff <i>Integer</i> , zoff <i>Integer</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix.
				<ul>
					<li>the first form (no arguments) will return an <b>Identity</b> matrix.</li>
					<li>the second and third forms will respectively return a fully initialized <b>2D</b> or <b>3D</b> Affine Transformation matrix.</li>
				</ul><hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_CreateTranslate</b></td>
				<td>ATM_CreateTranslate( tx <i>Double precision</i> , ty <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_CreateTranslate( tx <i>Double precision</i> , ty <i>Double precision</i> , tz <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing a <b>2D</b> or <b>3D Translate</b> transformation.</b><hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_CreateScale</b></td>
				<td>ATM_CreateScale( sx <i>Double precision</i> , sy <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_CreateScale( sx <i>Double precision</i> , sy <i>Double precision</i> , sz <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing a <b>2D</b> or <b>3D Scale</b> transformation.</b><hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_CreateRotate</b></td>
				<td>ATM_CreateRotate( angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_CreateZRoll( angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing a <b>Rotate</b> transformation (along the <b>Z axis</b>).</b><hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_CreateXRoll</b></td>
				<td>ATM_CreateXRoll( angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing a <b>Rotate</b> transformation (along the <b>X axis</b>).</b><hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_CreateYRoll</b></td>
				<td>ATM_CreateYRoll( angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing a <b>Rotate</b> transformation (along the <b>Y axis</b>).</b><hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_Multiply</b></td>
				<td>ATM_Multiply( matrixA <i>AffineMatrix</i> , matrixB <i>AffineMatrix</i> ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix representing the result of multiplying <b>matrixA</b> by <b>matrixB</b>.<hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_Translate</b></td>
				<td>ATM_Translate( matrix <i>AffineMatrix</i> , tx <i>Double precision</i> , ty <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_CreateTranslate( matrix <i>AffineMatrix</i> , tx <i>Double precision</i> , ty <i>Double precision</i> , tz <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix by chaining a further <b>2D</b> or <b>3D Translate</b> to a previous transformation matrix.</b><hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_Scale</b></td>
				<td>ATM_Scale( matrix <i>AffineMatrix</i> , sx <i>Double precision</i> , sy <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_Scale( matrix <i>AffineMatrix</i> , sx <i>Double precision</i> , sy <i>Double precision</i> , sz <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix by chaining a further <b>2D</b> or <b>3D Scale</b> to a previous transformation matrix.</b><hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>ATM_Rotate</b></td>
				<td>ATM_Rotate( matrix <i>AffineMatrix</i> , angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i><hr>
				ATM_ZRoll( matrix <i>AffineMatrix</i> , angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix by chaining a further <b>Rotate</b> (along the <b>Z axis</b>) to a previous transformation matrix.</b><hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_XRoll</b></td>
				<td>ATM_XRoll( matrix <i>AffineMatrix</i> , angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix by chaining a further <b>Rotate</b> (along the <b>X axis</b>) to a previous transformation matrix.</b><hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_YRoll</b></td>
				<td>ATM_YRoll( matrix <i>AffineMatrix</i> , angleInDegrees <i>Double precision</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a BLOB-encoded Affine Transformation matrix by chaining a further <b>Rotate</b> (along the <b>Y axis</b>) to a previous transformation matrix.</b><hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_Determinant</b></td>
				<td>ATM_Determinant( matrix <i>AffineMatrix</i> ] ) : <i>Double precision</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return the Determinant from an Affine Transformation matrix.<hr>
				will return <b>0.0</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_IsInvertible</b></td>
				<td>ATM_IsInvertible( matrix <i>AffineMatrix</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return <b>1</b> if the Affine Transformation matrix can be inverted, <b>0</b> if not.<hr>
				will return <b>-1</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_Invert</b></td>
				<td>ATM_Invert( matrix <i>AffineMatrix</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return an inverted Affine Transformation matrix.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_IsValid</b></td>
				<td>ATM_IsValid( matrix <i>AffineMatrix</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return <b>1</b> if the BLOB argument really contains a valid Affine Transformation matrix, <b>0</b> if not.<hr>
				will return <b>-1</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_AsText</b></td>
				<td>ATM_AsText( matrix <i>AffineMatrix</i> ] ) : <i>Text</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a serialized text string corresponding to an Affine Transformation matrix.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>ATM_Transform</b></td>
				<td>ATM_Transform( geom <i>Geometry</i> , matrix <i>AffineMatrix</i> [ , newSRID <i>Integer</i> ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a geometric object obtained by applying an Affine Transformation; if the optional arg newSRID is defined then the returned Geometry will assume the corresponding 
				Reference System, otherwise it will preserve the same Reference System of the input Geometry.<hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td><b>GCP_Compute</b></td>
				<td>GCP_Compute( pointA <i>Geometry</i> , pointB <i>Geometry</i> [ order <i>Integer</i>] ) : <i>PolynomialCoeffs</i></td>
				<td></td>
				<td align="center" bgcolor="#90f0d0">GrassGis code<br>GPLv2+</td>
				<td>return BLOB-encoded objects containing Polynomial coefficients computed from a set of matching <b>Ground Control Points</b> pairs.
				<ul>
					<li><b>pointA</b> corresponds to the origin Reference System; <b>pointB</b> corresponds to the destination target.</li>
					<li>the input Geometries must be of the <b>Point</b> type and must have the same dimensions</li>
					<li>if the points have <b>XYZ</b> or <b>XYZM</b> dimensions then <b>3D coeffs</b> will be returned, otherwise <b>2D</b> coeffs will be return.</li>
					<li>the optional <b>order</b> argument can assume the following values:
					<ul>
						<li><b>0</b>: a set of <b>2D coeffs</b> will be returned by applying the <b>Thin Plate Spline</b> method.</li>
						<li><b>1</b>: (<i>default setting</i>) a set of <b>2D</b> or <b>3D</b> Polynomial coeffs</b> of the <b>1st order</b> will be returned.</li>
						<li><b>2</b>: a set of <b>2D</b> or <b>3D</b> Polynomial coeffs</b> of the <b>2nd order</b> will be returned.</li>
						<li><b>3</b>: a set of <b>2D</b> or <b>3D</b> Polynomial coeffs</b> of the <b>3rd order</b> will be returned.</li>
					</ul></li>
				</ul><hr>
				will return <b>NULL</b> on invalid arguments<hr>
				<u><b>aggreagate function</b></u></td></tr>
			<tr><td><b>GCP_IsValid</b></td>
				<td>GCP_IsValid( matrix <i>PolynomialCoeffs</i> ] ) : <i>Integer</i></td>
				<td></td>
				<td align="center" bgcolor="#90f0d0">GrassGis code<br>GPLv2+</td>
				<td>return <b>1</b> if the BLOB argument really contains valid Polynomial coeffs, <b>0</b> if not.<hr>
				will return <b>-1</b> on invalid argument.</td></tr>
			<tr><td><b>GCP_AsText</b></td>
				<td>GCP_AsText( matrix <i>PolynomialCoeffs</i> ] ) : <i>Text</i></td>
				<td></td>
				<td align="center" bgcolor="#90f0d0">GrassGis code<br>GPLv2+</td>
				<td>return a serialized text string corresponding to the Polynomial coeffs.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>GCP2ATM</b></td>
				<td>GCP2ATM( matrix <i>PolynomialCoeffs</i> ] ) : <i>AffineMatrix</i></td>
				<td></td>
				<td align="center" bgcolor="#90f0d0">GrassGis code<br>GPLv2+</td>
				<td>return an Affine Transformation matrix corresponding to the Polynomial coeffs.<br>
				Only a set of Polynomial coeffs of the <b>1st order</b> can be converted to an Affine Transformation matrix.<hr>
				will return <b>NULL</b> on invalid argument.</td></tr>
			<tr><td><b>GCP_Transform</b></td>
				<td>GCP_Transform( geom <i>Geometry</i> , coeffs <i>PolynomialCoeffs</i> [ , newSRID <i>Integer</i> ] ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#90f0d0">GrassGis code<br>GPLv2+</td>
				<td>return a geometric object obtained by applying a Transformation based on Polynomial coefficients of the <b>1st</b>, <b>2nd</b> or <b>3rd order</b>; if the optional arg newSRID is defined then the returned Geometry will assume the corresponding 
				Reference System, otherwise it will preserve the same Reference System of the input Geometry.<hr>
				will return <b>NULL</b> on invalid arguments.</td></tr>
			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p16">SQL functions for Spatial-MetaData and Spatial-Index handling</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<h3><a name="srid">SQL functions supporting SRID inspection</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>SridIsGeographic</b></td>
				<td>SridIsGeographic( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID is of the <b>Geographic</b> type;<br>
					will return <b>1</b> (i.e. <b>TRUE</b>) or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridIsProjected</b></td>
				<td>SridIsProjected( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID is of the <b>Projected</b> type;<br>
					will return <b>1</b> (i.e. <b>TRUE</b>) or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridHasFlippedAxes</b></td>
				<td>SridHasFlippedAxes( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID requires a flipped Axes configuration: i.e. <b>Y,X</b> instead of the most usual <b>X,Y</b>;<br>
					will return <b>1</b> (i.e. <b>TRUE</b>) or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridGetSpheroid</b></td>
				<td>SridGetSpheroid( SRID <i>Integer</i> ) : <i>Text</i><hr>
					SridGetEllipsoid( SRID <i>Integer</i> ) : <i>Text</i></td>
				<td colspan="3">Will inspect the SRID definitions then returning the appropriate <b>Spheroid</b> name.<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridGetPrimeMeridian</b></td>

		</style>
	</head><body bgcolor="#fffff0">
		<h2>SpatiaLite 4.3.0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SQL functions reference list</h2>
		<a href="https://www.gaia-gis.it/fossil/libspatialite">back</a>
		<ul>
			<li><a href="#version">SQL Version Info [and build options testing] functions</a></li>
			<li><a href="#generic">Generic SQL utility functions</a></li>

			<li><a href="#math">SQL math functions</a></li>
			<li><a href="#error">SQL functions reporting GEOS / LWGEOM errors and warnings</a></li>
			<li><a href="#length_cvt">SQL length/distance unit-conversion functions</a></li>
			<li><a href="#dms_cvt">SQL conversion functions from DD/DMS notations (longitude/latitude)</a></li>
			<li><a href="#blob">SQL utility functions for BLOB objects</a></li>
			<li><a href="#p0">SQL utility functions [non-standard] for geometric objects</a></li>
			<li><a href="#p1">SQL functions for constructing a geometric object given its Well-known Text Representation</a></li>
................................................................................
			<li><a href="#p12">SQL functions that test spatial relationships</a></li>
			<li><a href="#p13">SQL functions for distance relationships</a></li>
			<li><a href="#p14">SQL functions that implement spatial operators</a></li>
			<li><a href="#p14b">SQL functions that implement spatial operators [GEOS specific features]</a></li>
			<li><a href="#p14c">SQL functions that implement spatial operators [GEOS advanced features]</a></li>
			<li><a href="#p14d">SQL functions that implement spatial operators [LWGEOM features]</a></li>
			<li><a href="#p15">SQL functions for coordinate transformations</a></li>

			<li><a href="#p16">SQL functions for Spatial-MetaData and Spatial-Index handling</a></li>
			<li><a href="#p16metacatalog">SQL functions supporting the MetaCatalog and related Statistics</a></li>
			<li><a href="#p16style">SQL functions supporting SLD/SE Styled Layers</a></li>
			<li><a href="#p16isometa">SQL functions supporting ISO Metadata</a></li>
			<li><a href="#p16fdo">SQL functions implementing FDO/OGR compatibility</a></li>
			<li><a href="#p16gpkg">SQL functions implementing OGC GeoPackage compatibility</a></li>
			<li><a href="#p17">SQL functions for MbrCache-based queries</a></li>
................................................................................
				<td colspan="3">returns the File Extension from a relative or absolute Pathname.<br>Will return <b>NULL</b> for invalid input of for any path
				 lacking a File Name or when no Extension is present.</td></tr>
			<tr><td><b>eval</b></td>
				<td>eval( X <i>TEXT</i> [ , Y <i>TEXT</i> ) : <i>Text</i></td>
				<td colspan="3">Evaluate the SQL text in <b>X</b>.  Return the results, using string <b>Y</b> as the separator.<br>
				If <b>Y</b> is omitted, use a single space character.<hr>
                Explicitly setting the environment variable <b>SPATIALITE_SECURITY=relaxed</b> is absolutely required in order to effectively enable this function.</td></tr>
























			<tr><td colspan="5" align="center" bgcolor="#f0e0c0">
				<h3><a name="math">SQL math functions</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th colspan="3" bgcolor="#d0d0d0">Summary</th></tr>
			<tr><td><b>Abs</b></td>
				<td>Abs( x <i>Double precision</i> ) : <i>Double precision</i></td>
................................................................................
			<tr><td><b>Asin</b></td>
				<td>Asin( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the arc sine of <b>x</b>, that is, the value whose sine is <b>x</b><br>
				returns NULL if <b>x</b> is not in the range -1 to 1</td></tr>
			<tr><td><b>Atan</b></td>
				<td>Atan( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the arc tangent of <b>x</b>, that is, the value whose tangent is <b>x</b></td></tr>




			<tr><td><b>Ceil<br>Ceiling</b></td>
				<td>Ceil( x <i>Double precision</i> ) : <i>Double precision</i><hr>
				Ceiling( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the smallest integer value not less than <b>x</b></td></tr>
			<tr><td><b>Cos</b></td>
				<td>Cos( x <i>Double precision</i> ) : <i>Double precision</i></td>
				<td colspan="3">returns the cosine of <b>x</b>, where <b>x</b> is given in <u>radians</u></td></tr>
................................................................................
					i.e. if xAxis is 0 (FALSE), then x-coordinates remains untouched; otherwise x-coordinates will be reflected</td></tr>
			<tr><td><b>SwapCoords</b><br><b>SwapCoordinates</b></td>
				<td>SwapCoords( geom <i>Geometry</i> ) : <i>Geometry</i><hr>
					SwapCoordinates( geom <i>Geometry</i> ) : <i>Geometry</i></td>
				<td></td>
				<td align="center" bgcolor="#d0f0d0">base</td>
				<td>return a geometric object obtained by swapping x- and y-coordinates</td></tr>














































































































































































			<tr><td colspan="5" align="center" bgcolor="#f0f0c0">
				<h3><a name="p16">SQL functions for Spatial-MetaData and Spatial-Index handling</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0">OGC<br>defined</th>
				<th bgcolor="#d0d0d0">required<br>module</th>
				<th bgcolor="#d0d0d0">Summary</th></tr>
................................................................................
				<h3><a name="srid">SQL functions supporting SRID inspection</a></h3></td></tr>
			<tr><th bgcolor="#d0d0d0">Function</th>
				<th bgcolor="#d0d0d0">Syntax</th>
				<th bgcolor="#d0d0d0" colspan="3">Summary</th></tr>
			<tr><td><b>SridIsGeographic</b></td>
				<td>SridIsGeographic( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID is of the <b>Geographic</b> type;<br>
					will return <b>1</b> (i.e. <b>TRUE</b> or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridIsProjected</b></td>
				<td>SridIsProjected( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID is of the <b>Projected</b> type;<br>
					will return <b>1</b> (i.e. <b>TRUE</b> or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridHasFlippedAxes</b></td>
				<td>SridHasFlippedAxes( SRID <i>Integer</i> ) : <i>Integer</i></td>
				<td colspan="3">Will inspect the SRID definitions checking if the SRID requires a flipped Axes configuration: i.e. <b>Y,X</b> instead of the most usual <b>X.Y</b>;<br>
					will return <b>1</b> (i.e. <b>TRUE</b> or <b>0</b> (i.e. <b>FALSE</b>).<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridGetSpheroid</b></td>
				<td>SridGetSpheroid( SRID <i>Integer</i> ) : <i>Text</i><hr>
					SridGetEllipsoid( SRID <i>Integer</i> ) : <i>Text</i></td>
				<td colspan="3">Will inspect the SRID definitions then returning the appropriate <b>Spheroid</b> name.<br>
					<b>NULL</b> will be returned on invalid argument or if the SRID is undefined.</td></tr>
			<tr><td><b>SridGetPrimeMeridian</b></td>

    if (cache == NULL)
      {
	  invalidate (pool_index);
	  goto done;
      }
    cache->magic1 = SPATIALITE_CACHE_MAGIC1;
    cache->magic2 = SPATIALITE_CACHE_MAGIC2;
    cache->gpkg_amphibious_mode = 0;
    cache->decimal_precision = -1;
    cache->GEOS_handle = NULL;
    cache->PROJ_handle = NULL;
    cache->pool_index = pool_index;
    confirm (pool_index, cache);
/* initializing the XML error buffers */
    out = malloc (sizeof (gaiaOutBuffer));
    gaiaOutBufferInitialize (out);

    if (cache == NULL)
      {
	  invalidate (pool_index);
	  goto done;
      }
    cache->magic1 = SPATIALITE_CACHE_MAGIC1;
    cache->magic2 = SPATIALITE_CACHE_MAGIC2;


    cache->GEOS_handle = NULL;
    cache->PROJ_handle = NULL;
    cache->pool_index = pool_index;
    confirm (pool_index, cache);
/* initializing the XML error buffers */
    out = malloc (sizeof (gaiaOutBuffer));
    gaiaOutBufferInitialize (out);

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#ifdef ENABLE_GCP		/* only if ControlPoints enabled */

#include <spatialite/sqlite.h>

#include <spatialite_private.h>
#include <spatialite/gaiageo.h>
#include <spatialite/gaiamatrix.h>
#include <spatialite/control_points.h>

#include "grass_crs.h"

#define POLYNOMIAL_MAGIC_START		0x00
#define POLYNOMIAL_MAGIC_DELIMITER	0x6a
#define POLYNOMIAL_MAGIC_END		0x63
#define POLYNOMIAL_FIRST_ORDER		0xb1
#define POLYNOMIAL_SECOND_ORDER		0xb2
#define POLYNOMIAL_THIRD_ORDER		0xb3
#define THIN_PLATE_SPLINE			0x3f
#define POLYNOMIAL_2D				0x3e
#define POLYNOMIAL_3D				0x3d

struct cp_coeffs
{
/* Polynomial Coefficients */
    unsigned char type;
    unsigned char order;
    double E[20];
    double N[20];
    double Z[20];
    double *Etps;
    double *Ntps;
    struct Control_Points grass_cp;
};

GAIACP_DECLARE GaiaControlPointsPtr
gaiaCreateControlPoints (int allocation_incr, int has3d, int order, int tps)
{
/* creating a Control Point set container */
    struct gaia_control_points *cp =
	malloc (sizeof (struct gaia_control_points));
    if (cp == NULL)
	return NULL;
    if (order < 1)
	order = 1;
    if (order > 3)
	order = 3;
    cp->order = order;
    cp->has3d = has3d;
    cp->tps = tps;
    cp->affine_valid = 0;
    if (allocation_incr < 64)
	allocation_incr = 64;
    cp->allocation_incr = allocation_incr;
    cp->allocated_items = allocation_incr;
................................................................................
	free (cp->z1);
    if (cp->z2 != NULL)
	free (cp->z2);
    if (cp->status != NULL)
	free (cp->status);
}

static int
blob_encode_3d (double *E, double *N, double *Z, int order,
		unsigned char **blob, int *blob_sz)
{
/* creating a BLOB-Polynomial object - 3D */
    int i;
    int max;
    unsigned char *xblob = NULL;
    unsigned char *ptr;
    int xblob_sz;
    int endian_arch = gaiaEndianArch ();

    *blob = NULL;
    *blob_sz = 0;

    if (order == 2)
	max = 10;
    else if (order == 3)
	max = 20;
    else
	max = 4;
    xblob_sz = 11 + (max * (3 * (sizeof (double) + 1)));

    xblob = malloc (xblob_sz);
    if (xblob == NULL)
	return 0;
    ptr = xblob;
/* encoding the BLOB */
    *ptr = POLYNOMIAL_MAGIC_START;	/* START signature */
    *(ptr + 1) = 1;		/* LITTLE ENDIAN */
    *(ptr + 2) = POLYNOMIAL_3D;
    *(ptr + 3) = POLYNOMIAL_MAGIC_DELIMITER;
    *(ptr + 4) = order;
    *(ptr + 5) = POLYNOMIAL_MAGIC_DELIMITER;
    gaiaExport32 (ptr + 6, 0, 1, endian_arch);
    ptr = xblob + 10;
    for (i = 0; i < max; i++)
      {
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, E[i], 1, endian_arch);
	  ptr += sizeof (double);
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, N[i], 1, endian_arch);
	  ptr += sizeof (double);
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, Z[i], 1, endian_arch);
	  ptr += sizeof (double);
      }
    *ptr = POLYNOMIAL_MAGIC_END;

    *blob = xblob;
    *blob_sz = xblob_sz;
    return 1;
}

static int
blob_encode_2d (double *E, double *N, unsigned char order,
		unsigned char **blob, int *blob_sz)
{
/* creating a BLOB-Polynomial object - 2D */
    int i;
    int max;
    unsigned char *xblob = NULL;
    unsigned char *ptr;
    int xblob_sz;
    int endian_arch = gaiaEndianArch ();

    *blob = NULL;
    *blob_sz = 0;

    if (order == 2)
	max = 6;
    else if (order == 3)
	max = 10;
    else
	max = 3;
    xblob_sz = 11 + (max * (2 * (sizeof (double) + 1)));

    xblob = malloc (xblob_sz);
    if (xblob == NULL)
	return 0;
    ptr = xblob;
/* encoding the BLOB */
    *ptr = POLYNOMIAL_MAGIC_START;	/* START signature */
    *(ptr + 1) = 1;		/* LITTLE ENDIAN */
    *(ptr + 2) = POLYNOMIAL_2D;
    *(ptr + 3) = POLYNOMIAL_MAGIC_DELIMITER;
    *(ptr + 4) = order;
    *(ptr + 5) = POLYNOMIAL_MAGIC_DELIMITER;
    gaiaExport32 (ptr + 6, 0, 1, endian_arch);
    ptr = xblob + 10;
    for (i = 0; i < max; i++)
      {
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, E[i], 1, endian_arch);
	  ptr += sizeof (double);
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, N[i], 1, endian_arch);
	  ptr += sizeof (double);
      }
    *ptr = POLYNOMIAL_MAGIC_END;

    *blob = xblob;
    *blob_sz = xblob_sz;
    return 1;
}

static int
blob_encode_tps (double *E, double *N, struct Control_Points *cp,
		 unsigned char **blob, int *blob_sz)
{
/* creating a BLOB-Polynomial object - 2D */
    int i;
    unsigned char *xblob = NULL;
    unsigned char *ptr;
    int xblob_sz;
    int endian_arch = gaiaEndianArch ();

    *blob = NULL;
    *blob_sz = 0;

    xblob_sz = 11 + ((cp->count + 3) * (2 * (sizeof (double) + 1)));
    xblob_sz += (cp->count * (4 * (sizeof (double) + 1)));

    xblob = malloc (xblob_sz);
    if (xblob == NULL)
	return 0;
    ptr = xblob;
/* encoding the BLOB */
    *ptr = POLYNOMIAL_MAGIC_START;	/* START signature */
    *(ptr + 1) = 1;		/* LITTLE ENDIAN */
    *(ptr + 2) = THIN_PLATE_SPLINE;
    *(ptr + 3) = POLYNOMIAL_MAGIC_DELIMITER;
    *(ptr + 4) = 1;
    *(ptr + 5) = POLYNOMIAL_MAGIC_DELIMITER;
    gaiaExport32 (ptr + 6, cp->count, 1, endian_arch);
    ptr = xblob + 10;
    for (i = 0; i < cp->count + 3; i++)
      {
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, E[i], 1, endian_arch);
	  ptr += sizeof (double);
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, N[i], 1, endian_arch);
	  ptr += sizeof (double);
      }
    for (i = 0; i < cp->count; i++)
      {
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, cp->e1[i], 1, endian_arch);
	  ptr += sizeof (double);
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, cp->n1[i], 1, endian_arch);
	  ptr += sizeof (double);
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, cp->e2[i], 1, endian_arch);
	  ptr += sizeof (double);
	  *ptr++ = POLYNOMIAL_MAGIC_DELIMITER;
	  gaiaExport64 (ptr, cp->n2[i], 1, endian_arch);
	  ptr += sizeof (double);
      }
    *ptr = POLYNOMIAL_MAGIC_END;

    *blob = xblob;
    *blob_sz = xblob_sz;
    return 1;
}

static int
blob_decode (struct cp_coeffs *coeffs, const unsigned char *blob, int blob_sz)
{
/* decoding a BLOB-Polynomial coeffs object */
    int endian;
    int endian_arch = gaiaEndianArch ();
    unsigned char type;
    unsigned char order;
    int count;
    int i;
    int max;
    int xblob_sz;
    const unsigned char *ptr = blob;

    coeffs->Etps = NULL;
    coeffs->Ntps = NULL;
    coeffs->grass_cp.count = 0;
    coeffs->grass_cp.e1 = NULL;
    coeffs->grass_cp.n1 = NULL;
    coeffs->grass_cp.e2 = NULL;
    coeffs->grass_cp.n2 = NULL;
    coeffs->grass_cp.status = NULL;
    if (blob == NULL)
	return 0;
    if (blob_sz < 11)
	return 0;

    if (*ptr != POLYNOMIAL_MAGIC_START)
	return 0;
    if (*(ptr + 1) == 1)
	endian = 1;
    else if (*(ptr + 1) == 0)
	endian = 0;
    else
	return 0;
    type = *(ptr + 2);
    order = *(ptr + 4);
    coeffs->type = type;
    coeffs->order = order;
    if (order < 1 || order > 3)
	return 0;
    if (type == THIN_PLATE_SPLINE)
	max = 0;
    else if (type == POLYNOMIAL_2D)
      {
	  if (order == 2)
	      max = 6;
	  else if (order == 3)
	      max = 10;
	  else
	      max = 3;
      }
    else if (type == POLYNOMIAL_3D)
      {
	  if (order == 2)
	      max = 10;
	  else if (order == 3)
	      max = 20;
	  else
	      max = 4;
      }
    else
	return 0;
    count = gaiaImport32 (ptr + 6, endian, endian_arch);
    if (type == POLYNOMIAL_3D)
	xblob_sz = 11 + (max * (3 * (sizeof (double) + 1)));
    else
	xblob_sz = 11 + (max * (2 * (sizeof (double) + 1)));
    if (type == THIN_PLATE_SPLINE)
      {
	  xblob_sz += ((count + 3) * (2 * (sizeof (double) + 1)));
	  xblob_sz += (count * (4 * (sizeof (double) + 1)));
      }
    if (blob_sz != xblob_sz)
	return 0;

    ptr = blob + 11;
    for (i = 0; i < max; i++)
      {
	  coeffs->E[i] = gaiaImport64 (ptr, endian, endian_arch);
	  ptr += sizeof (double) + 1;
	  coeffs->N[i] = gaiaImport64 (ptr, endian, endian_arch);
	  ptr += sizeof (double) + 1;
	  if (type == POLYNOMIAL_3D)
	    {
		coeffs->Z[i] = gaiaImport64 (ptr, endian, endian_arch);
		ptr += sizeof (double) + 1;
	    }
      }

    if (type == THIN_PLATE_SPLINE)
      {
	  /* extracting the Control Points for Grass TPS code */
	  coeffs->Etps = malloc (sizeof (double) * (3 + count));
	  coeffs->Ntps = malloc (sizeof (double) * (3 + count));
	  coeffs->grass_cp.count = count;
	  coeffs->grass_cp.e1 = malloc (sizeof (double) * count);
	  coeffs->grass_cp.n1 = malloc (sizeof (double) * count);
	  coeffs->grass_cp.e2 = malloc (sizeof (double) * count);
	  coeffs->grass_cp.n2 = malloc (sizeof (double) * count);
	  coeffs->grass_cp.status = malloc (sizeof (int) * count);
	  for (i = 0; i < count + 3; i++)
	    {
		coeffs->Etps[i] = gaiaImport64 (ptr, endian, endian_arch);
		ptr += sizeof (double) + 1;
		coeffs->Ntps[i] = gaiaImport64 (ptr, endian, endian_arch);
		ptr += sizeof (double) + 1;
	    }
	  for (i = 0; i < count; i++)
	    {
		coeffs->grass_cp.e1[i] =
		    gaiaImport64 (ptr, endian, endian_arch);
		ptr += sizeof (double) + 1;
		coeffs->grass_cp.n1[i] =
		    gaiaImport64 (ptr, endian, endian_arch);
		ptr += sizeof (double) + 1;
		coeffs->grass_cp.e2[i] =
		    gaiaImport64 (ptr, endian, endian_arch);
		ptr += sizeof (double) + 1;
		coeffs->grass_cp.n2[i] =
		    gaiaImport64 (ptr, endian, endian_arch);
		ptr += sizeof (double) + 1;
		coeffs->grass_cp.status[i] = 1;
	    }
      }
    return 1;
}


GAIACP_DECLARE int
gaiaCreatePolynomialCoeffs (GaiaControlPointsPtr cp_handle,
			    unsigned char **blob, int *blob_sz)
{
/*
 * computes the Control Points and return a BLOB-serialized 
 * Polynomial coeffs object
*/
    unsigned char *xblob;
    int xblob_sz;

    struct Control_Points cp;
    struct Control_Points_3D cp3;
    int ret = 0;
    int ret2;
    int use3d;
    int orthorot = 0;
    int order = 1;
    int order_pnts[2][3] = { {3, 6, 10}, {4, 10, 20} };

    double E12[20];
    double N12[20];
................................................................................
    double E21[20];
    double N21[20];
    double Z21[20];
    double *E12_t = NULL;
    double *N12_t = NULL;
    double *E21_t = NULL;
    double *N21_t = NULL;

    struct gaia_control_points *gaia_cp =
	(struct gaia_control_points *) cp_handle;



    *blob = NULL;
    *blob_sz = 0;
    if (gaia_cp == NULL)
	return 0;

    cp.count = 0;
    cp.e1 = NULL;
    cp.e2 = NULL;
    cp.n1 = NULL;
................................................................................
    cp3.n1 = NULL;
    cp3.n2 = NULL;
    cp3.z1 = NULL;
    cp3.z2 = NULL;
    cp3.status = NULL;

    use3d = gaia_cp->has3d;
    order = gaia_cp->order;
    if (use3d)
      {
	  /* 3D control points */
	  copy_control_points_3d (gaia_cp, &cp3);
	  ret =
	      gcp_CRS_compute_georef_equations_3d (&cp3, E12, N12, Z12, E21,
						   N21, Z21, order);
      }
    else
      {
	  /* 2D control points */
	  copy_control_points_2d (gaia_cp, &cp);
	  if (gaia_cp->tps)
	      ret =
		  gcp_I_compute_georef_equations_tps (&cp, &E12_t, &N12_t,
						      &E21_t, &N21_t);
	  else
	      ret =
		  gcp_I_compute_georef_equations (&cp, E12, N12, E21, N21,
						  order);
      }


    switch (ret)
      {
      case 0:
	  fprintf (stderr,
		   "Not enough active control points for current order, %d are required.\n",
		   (orthorot ? 3 : order_pnts[use3d != 0][order - 1]));
................................................................................
      case -3:
	  fprintf (stderr, "Invalid order\n");
	  break;
      default:
	  break;
      }

    if (ret > 0)
      {
	  if (use3d)
	      ret2 = blob_encode_3d (E12, N12, Z12, order, &xblob, &xblob_sz);
	  else
	    {
		if (gaia_cp->tps)
		    ret2 =
			blob_encode_tps (E12_t, N12_t, &cp, &xblob, &xblob_sz);
		else
		    ret2 = blob_encode_2d (E12, N12, order, &xblob, &xblob_sz);
	    }
      }

    if (use3d)
	free_control_points_3d (&cp3);
    else
	free_control_points_2d (&cp);
    if (E12_t != NULL)
	free (E12_t);
    if (N12_t != NULL)
	free (N12_t);
    if (E21_t != NULL)
	free (E21_t);
    if (N21_t != NULL)
	free (N21_t);

    if (ret > 0 && ret2)
      {
	  *blob = xblob;
	  *blob_sz = xblob_sz;
	  return 1;
      }
    return 0;
}


GAIACP_DECLARE int
gaiaPolynomialIsValid (const unsigned char *blob, int blob_sz)
{
/* checking a BLOB-Polynomial coeffs object for validity */
    unsigned char type;
    unsigned char order;
    int i;
    int max;
    int xblob_sz;
    int endian;
    int endian_arch = gaiaEndianArch ();
    int count;
    const unsigned char *ptr = blob;
    if (blob == NULL)
	return 0;
    if (blob_sz < 11)
	return 0;













    if (*ptr != POLYNOMIAL_MAGIC_START)
	return 0;
    if (*(ptr + 1) == 1)
	endian = 1;
    else if (*(ptr + 1) == 0)
	endian = 0;
    else
	return 0;
    type = *(ptr + 2);
    order = *(ptr + 4);
    if (order > 3)
	return 0;
    if (type == THIN_PLATE_SPLINE)
	max = 0;
    else if (type == POLYNOMIAL_2D)
      {
	  if (order == 2)
	      max = 6;
	  else if (order == 3)
	      max = 10;
	  else
	      max = 3;
      }
    else if (type == POLYNOMIAL_3D)

      {
	  if (order == 2)
	      max = 10;
	  else if (order == 3)
	      max = 20;
	  else
	      max = 4;








      }
    else
	return 0;
    count = gaiaImport32 (ptr + 6, endian, endian_arch);
    if (type == POLYNOMIAL_3D)
	xblob_sz = 11 + (max * (3 * (sizeof (double) + 1)));
    else
	xblob_sz = 11 + (max * (2 * (sizeof (double) + 1)));
    if (type == THIN_PLATE_SPLINE)
      {
	  xblob_sz += ((count + 3) * (2 * (sizeof (double) + 1)));
	  xblob_sz += (count * (4 * (sizeof (double) + 1)));







      }
    if (blob_sz != xblob_sz)
	return 0;

    ptr = blob + 10;
    for (i = 0; i < max; i++)
      {
	  if (*ptr != POLYNOMIAL_MAGIC_DELIMITER)
	      return 0;
	  ptr++;
	  ptr += sizeof (double);
	  if (*ptr != POLYNOMIAL_MAGIC_DELIMITER)
	      return 0;
	  ptr++;
	  ptr += sizeof (double);
	  if (type == POLYNOMIAL_3D)
	    {
		if (*ptr != POLYNOMIAL_MAGIC_DELIMITER)
		    return 0;
		ptr++;
		ptr += sizeof (double);
	    }
      }
    if (type == THIN_PLATE_SPLINE)
      {
	  for (i = 0; i < count + 3; i++)
	    {
		if (*ptr != POLYNOMIAL_MAGIC_DELIMITER)
		    return 0;
		ptr++;
		ptr += sizeof (double);
		if (*ptr != POLYNOMIAL_MAGIC_DELIMITER)
		    return 0;
		ptr++;
		ptr += sizeof (double);
	    }
	  for (i = 0; i < count; i++)
	    {
		if (*ptr != POLYNOMIAL_MAGIC_DELIMITER)
		    return 0;
		ptr++;
		ptr += sizeof (double);
		if (*ptr != POLYNOMIAL_MAGIC_DELIMITER)
		    return 0;
		ptr++;
		ptr += sizeof (double);
		if (*ptr != POLYNOMIAL_MAGIC_DELIMITER)
		    return 0;
		ptr++;
		ptr += sizeof (double);
		if (*ptr != POLYNOMIAL_MAGIC_DELIMITER)
		    return 0;
		ptr++;
		ptr += sizeof (double);
	    }
      }
    if (*ptr != POLYNOMIAL_MAGIC_END)
	return 0;
    return 1;
}

static void
clean_tps_coeffs (struct cp_coeffs *cp)
{
/* memory cleanup - TPS coefficients */
    if (cp->Etps != NULL)
	free (cp->Etps);
    if (cp->Ntps != NULL)
	free (cp->Ntps);
}

GAIACP_DECLARE char *
gaiaPolynomialAsText (const unsigned char *blob, int blob_sz)
{
/* printing a BLOB-Polynomial coeffs object as a text string */
    char *text = NULL;
    struct cp_coeffs coeffs;
    if (!gaiaPolynomialIsValid (blob, blob_sz))
	return NULL;
    if (!blob_decode (&coeffs, blob, blob_sz))
	return NULL;

    free_control_points_2d (&(coeffs.grass_cp));
/* printing the Polynommial coeffs as text */
    if (coeffs.type == POLYNOMIAL_3D)
      {
	  if (coeffs.order == 3)
	      text =
		  sqlite3_mprintf
		  ("E{%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f}, "
		   "N{%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f}, "
		   "Z{%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f}",
		   coeffs.E[0], coeffs.E[1], coeffs.E[2], coeffs.E[3],
		   coeffs.E[4], coeffs.E[5], coeffs.E[6], coeffs.E[6],
		   coeffs.E[7], coeffs.E[8], coeffs.E[9], coeffs.E[10],
		   coeffs.E[11], coeffs.E[12], coeffs.E[13], coeffs.E[14],
		   coeffs.E[15], coeffs.E[16], coeffs.E[16], coeffs.E[17],
		   coeffs.E[18], coeffs.E[19], coeffs.N[0], coeffs.N[1],
		   coeffs.N[2], coeffs.N[3], coeffs.N[4], coeffs.N[5],
		   coeffs.N[6], coeffs.N[6], coeffs.N[7], coeffs.N[8],
		   coeffs.N[9], coeffs.N[10], coeffs.N[11], coeffs.N[12],
		   coeffs.N[13], coeffs.N[14], coeffs.N[15], coeffs.N[16],
		   coeffs.N[16], coeffs.N[17], coeffs.N[18], coeffs.N[19],
		   coeffs.Z[0], coeffs.Z[1], coeffs.Z[2], coeffs.Z[3],
		   coeffs.Z[4], coeffs.Z[5], coeffs.Z[6], coeffs.Z[6],
		   coeffs.Z[7], coeffs.Z[8], coeffs.Z[9], coeffs.Z[10],
		   coeffs.Z[11], coeffs.Z[12], coeffs.Z[13], coeffs.Z[14],
		   coeffs.Z[15], coeffs.Z[16], coeffs.Z[16], coeffs.Z[17],
		   coeffs.Z[18], coeffs.Z[19]);
	  else if (coeffs.order == 2)
	      text =
		  sqlite3_mprintf
		  ("E{%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f}, "
		   "N{%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f}, "
		   "Z{%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f}",
		   coeffs.E[0], coeffs.E[1], coeffs.E[2], coeffs.E[3],
		   coeffs.E[4], coeffs.E[5], coeffs.E[6], coeffs.E[6],
		   coeffs.E[7], coeffs.E[8], coeffs.E[9], coeffs.N[0],
		   coeffs.N[1], coeffs.N[2], coeffs.N[3], coeffs.N[4],
		   coeffs.N[5], coeffs.N[6], coeffs.N[6], coeffs.N[7],
		   coeffs.N[8], coeffs.N[9], coeffs.Z[0], coeffs.Z[1],
		   coeffs.Z[2], coeffs.Z[3], coeffs.Z[4], coeffs.Z[5],
		   coeffs.Z[6], coeffs.Z[6], coeffs.Z[7], coeffs.Z[8],
		   coeffs.Z[9]);
	  else
	      text =
		  sqlite3_mprintf
		  ("E{%1.10f,%1.10f,%1.10f,%1.10f}, N{%1.10f,%1.10f,%1.10f,%1.10f}, Z{%1.10f,%1.10f,%1.10f,%1.10f}",
		   coeffs.E[0], coeffs.E[1], coeffs.E[2], coeffs.E[3],
		   coeffs.N[0], coeffs.N[1], coeffs.N[2], coeffs.N[3],
		   coeffs.Z[0], coeffs.Z[1], coeffs.Z[2], coeffs.Z[3]);
      }
    else
      {
	  if (coeffs.order == 3)
	      text =
		  sqlite3_mprintf
		  ("E{%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f}, "
		   "N{%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f}",
		   coeffs.E[0], coeffs.E[1], coeffs.E[2], coeffs.E[3],
		   coeffs.E[4], coeffs.E[5], coeffs.E[6], coeffs.E[6],
		   coeffs.E[7], coeffs.E[8], coeffs.E[9], coeffs.N[0],
		   coeffs.N[1], coeffs.N[2], coeffs.N[3], coeffs.N[4],
		   coeffs.N[5], coeffs.N[6], coeffs.N[6], coeffs.N[7],
		   coeffs.N[8], coeffs.N[9]);
	  else if (coeffs.order == 2)
	      text =
		  sqlite3_mprintf
		  ("E{%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f}, "
		   "N{%1.10f,%1.10f,%1.10f,%1.10f,%1.10f,%1.10f}",
		   coeffs.E[0], coeffs.E[1], coeffs.E[2], coeffs.E[3],
		   coeffs.E[4], coeffs.E[5], coeffs.N[0], coeffs.N[1],
		   coeffs.N[2], coeffs.N[3], coeffs.N[4], coeffs.N[5]);
	  else
	      text =
		  sqlite3_mprintf
		  ("E{%1.10f,%1.10f,%1.10f}, N{%1.10f,%1.10f,%1.10f}",
		   coeffs.E[0], coeffs.E[1], coeffs.E[2], coeffs.N[0],
		   coeffs.N[1], coeffs.N[2]);
      }
    clean_tps_coeffs (&coeffs);
    return text;
}

static void
gaia_point_transform3D (struct cp_coeffs *coeffs, double *x, double *y,
			double *z)
{
/* Affine Transform 3D */
    double x0 = *x;
    double y0 = *y;
    double z0 = *z;
    double x1;
    double y1;
    double z1;
    if (coeffs->type == THIN_PLATE_SPLINE)
      {
	  gcp_I_georef_tps (x0, y0, &x1, &y1, coeffs->Etps, coeffs->Ntps,
			    &(coeffs->grass_cp), 1);
	  z1 = z0;
      }
    else if (coeffs->type == POLYNOMIAL_2D)
      {
	  gcp_I_georef (x0, y0, &x1, &y1, coeffs->E, coeffs->N, coeffs->order);
	  z1 = z0;
      }
    else
	gcp_CRS_georef_3d (x0, y0, z0, &x1, &y1, &z1, coeffs->E, coeffs->N,
			   coeffs->Z, coeffs->order);
    *x = x1;
    *y = y1;
    *z = z1;
}


static void
gaia_point_transform2D (struct cp_coeffs *coeffs, double *x, double *y)
{
/* Affine Transform 2D */
    double x0 = *x;
    double y0 = *y;
    double x1;
    double y1;
    if (coeffs->type == THIN_PLATE_SPLINE)
	gcp_I_georef_tps (x0, y0, &x1, &y1, coeffs->Etps, coeffs->Ntps,
			  &(coeffs->grass_cp), 1);
    else
	gcp_I_georef (x0, y0, &x1, &y1, coeffs->E, coeffs->N, coeffs->order);
    *x = x1;
    *y = y1;
}

GAIACP_DECLARE gaiaGeomCollPtr
gaiaPolynomialTransformGeometry (gaiaGeomCollPtr geom,
				 const unsigned char *blob, int blob_sz)
{
/* transforming a Geometry by applying Polynomial coefficients */
    int iv;
    int ib;
    double x;
    double y;
    double z;
    double m;
    gaiaPointPtr point;
    gaiaLinestringPtr line;
    gaiaLinestringPtr new_line;
    gaiaPolygonPtr polyg;
    gaiaPolygonPtr new_polyg;
    gaiaGeomCollPtr new_geom;
    gaiaRingPtr i_ring;
    gaiaRingPtr o_ring;
    struct cp_coeffs coeffs;
    if (!gaiaPolynomialIsValid (blob, blob_sz))
	return NULL;
    if (!blob_decode (&coeffs, blob, blob_sz))
	return NULL;
    if (geom == NULL)
      {
	  free_control_points_2d (&(coeffs.grass_cp));
	  return NULL;
      }

/* creating the output Geometry */
    if (geom->DimensionModel == GAIA_XY_Z)
	new_geom = gaiaAllocGeomCollXYZ ();
    else if (geom->DimensionModel == GAIA_XY_M)
	new_geom = gaiaAllocGeomCollXYM ();
    else if (geom->DimensionModel == GAIA_XY_Z_M)
	new_geom = gaiaAllocGeomCollXYZM ();
    else
	new_geom = gaiaAllocGeomColl ();
    new_geom->Srid = geom->Srid;
    new_geom->DeclaredType = geom->DeclaredType;

/* cloning and transforming all individual items */
    point = geom->FirstPoint;
    while (point)
      {
	  /* copying POINTs */
	  if (geom->DimensionModel == GAIA_XY_Z)
	    {
		x = point->X;
		y = point->Y;
		z = point->Z;
		gaia_point_transform3D (&coeffs, &x, &y, &z);
		gaiaAddPointToGeomCollXYZ (new_geom, x, y, z);
	    }
	  else if (geom->DimensionModel == GAIA_XY_M)
	    {
		x = point->X;
		y = point->Y;
		m = point->M;
		gaia_point_transform2D (&coeffs, &x, &y);
		gaiaAddPointToGeomCollXYM (new_geom, x, y, m);
	    }
	  else if (geom->DimensionModel == GAIA_XY_Z_M)
	    {
		x = point->X;
		y = point->Y;
		z = point->Z;
		m = point->M;
		gaia_point_transform3D (&coeffs, &x, &y, &z);
		gaiaAddPointToGeomCollXYZM (new_geom, x, y, z, m);
	    }
	  else
	    {
		x = point->X;
		y = point->Y;
		gaia_point_transform2D (&coeffs, &x, &y);
		gaiaAddPointToGeomColl (new_geom, x, y);
	    }
	  point = point->Next;
      }

    line = geom->FirstLinestring;
    while (line)
      {
	  /* copying LINESTRINGs */
	  new_line = gaiaAddLinestringToGeomColl (new_geom, line->Points);
	  for (iv = 0; iv < line->Points; iv++)
	    {
		z = 0.0;
		m = 0.0;
		if (line->DimensionModel == GAIA_XY_Z)
		  {
		      gaiaGetPointXYZ (line->Coords, iv, &x, &y, &z);
		  }
		else if (line->DimensionModel == GAIA_XY_M)
		  {
		      gaiaGetPointXYM (line->Coords, iv, &x, &y, &m);
		  }
		else if (line->DimensionModel == GAIA_XY_Z_M)
		  {
		      gaiaGetPointXYZM (line->Coords, iv, &x, &y, &z, &m);
		  }
		else
		  {
		      gaiaGetPoint (line->Coords, iv, &x, &y);
		  }
		if (new_line->DimensionModel == GAIA_XY_Z
		    || new_line->DimensionModel == GAIA_XY_Z_M)
		    gaia_point_transform3D (&coeffs, &x, &y, &z);
		else
		    gaia_point_transform2D (&coeffs, &x, &y);
		if (new_line->DimensionModel == GAIA_XY_Z)
		  {
		      gaiaSetPointXYZ (new_line->Coords, iv, x, y, z);
		  }
		else if (new_line->DimensionModel == GAIA_XY_M)
		  {
		      gaiaSetPointXYM (new_line->Coords, iv, x, y, m);
		  }
		else if (new_line->DimensionModel == GAIA_XY_Z_M)
		  {
		      gaiaSetPointXYZM (new_line->Coords, iv, x, y, z, m);
		  }
		else
		  {
		      gaiaSetPoint (new_line->Coords, iv, x, y);
		  }
	    }
	  line = line->Next;
      }

    polyg = geom->FirstPolygon;
    while (polyg)
      {
	  /* copying POLYGONs */
	  i_ring = polyg->Exterior;
	  new_polyg =
	      gaiaAddPolygonToGeomColl (new_geom, i_ring->Points,
					polyg->NumInteriors);
	  o_ring = new_polyg->Exterior;
	  /* copying points for the EXTERIOR RING */
	  for (iv = 0; iv < o_ring->Points; iv++)
	    {
		z = 0.0;
		m = 0.0;
		if (i_ring->DimensionModel == GAIA_XY_Z)
		  {
		      gaiaGetPointXYZ (i_ring->Coords, iv, &x, &y, &z);
		  }
		else if (i_ring->DimensionModel == GAIA_XY_M)
		  {
		      gaiaGetPointXYM (i_ring->Coords, iv, &x, &y, &m);
		  }
		else if (i_ring->DimensionModel == GAIA_XY_Z_M)
		  {
		      gaiaGetPointXYZM (i_ring->Coords, iv, &x, &y, &z, &m);
		  }
		else
		  {
		      gaiaGetPoint (i_ring->Coords, iv, &x, &y);
		  }
		if (o_ring->DimensionModel == GAIA_XY_Z
		    || o_ring->DimensionModel == GAIA_XY_Z_M)
		    gaia_point_transform3D (&coeffs, &x, &y, &z);
		else
		    gaia_point_transform2D (&coeffs, &x, &y);
		if (o_ring->DimensionModel == GAIA_XY_Z)
		  {
		      gaiaSetPointXYZ (o_ring->Coords, iv, x, y, z);
		  }
		else if (o_ring->DimensionModel == GAIA_XY_M)
		  {
		      gaiaSetPointXYM (o_ring->Coords, iv, x, y, m);
		  }
		else if (o_ring->DimensionModel == GAIA_XY_Z_M)
		  {
		      gaiaSetPointXYZM (o_ring->Coords, iv, x, y, z, m);
		  }
		else
		  {
		      gaiaSetPoint (o_ring->Coords, iv, x, y);
		  }
	    }
	  for (ib = 0; ib < new_polyg->NumInteriors; ib++)
	    {
		/* copying each INTERIOR RING [if any] */
		i_ring = polyg->Interiors + ib;
		o_ring = gaiaAddInteriorRing (new_polyg, ib, i_ring->Points);
		for (iv = 0; iv < o_ring->Points; iv++)
		  {
		      z = 0.0;
		      m = 0.0;
		      if (i_ring->DimensionModel == GAIA_XY_Z)
			{
			    gaiaGetPointXYZ (i_ring->Coords, iv, &x, &y, &z);
			}
		      else if (i_ring->DimensionModel == GAIA_XY_M)
			{
			    gaiaGetPointXYM (i_ring->Coords, iv, &x, &y, &m);
			}
		      else if (i_ring->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaGetPointXYZM (i_ring->Coords, iv, &x, &y, &z,
					      &m);
			}
		      else
			{
			    gaiaGetPoint (i_ring->Coords, iv, &x, &y);
			}
		      if (o_ring->DimensionModel == GAIA_XY_Z
			  || o_ring->DimensionModel == GAIA_XY_Z_M)
			  gaia_point_transform3D (&coeffs, &x, &y, &z);
		      else
			  gaia_point_transform2D (&coeffs, &x, &y);
		      if (o_ring->DimensionModel == GAIA_XY_Z)
			{
			    gaiaSetPointXYZ (o_ring->Coords, iv, x, y, z);
			}
		      else if (o_ring->DimensionModel == GAIA_XY_M)
			{
			    gaiaSetPointXYM (o_ring->Coords, iv, x, y, m);
			}
		      else if (o_ring->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaSetPointXYZM (o_ring->Coords, iv, x, y, z, m);
			}
		      else
			{
			    gaiaSetPoint (o_ring->Coords, iv, x, y);
			}
		  }
	    }
	  polyg = polyg->Next;
      }
    free_control_points_2d (&(coeffs.grass_cp));
    clean_tps_coeffs (&coeffs);
    return new_geom;
}

GAIACP_DECLARE int
gaiaPolynomialToMatrix (const unsigned char *iblob, int iblob_sz,
			unsigned char **oblob, int *oblob_sz)
{
/*
* converting a BLOB-Polynomial coeffs object into a
* BLOB Affine Transformation matrix */
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
    double f = 0.0;
    double g = 0.0;
    double h = 0.0;
    double i = 1.0;
    double xoff = 0.0;
    double yoff = 0.0;
    double zoff = 0.0;
    struct cp_coeffs coeffs;


    *oblob = NULL;
    *oblob_sz = 0;
    if (!gaiaPolynomialIsValid (iblob, iblob_sz))
	return 0;
    if (!blob_decode (&coeffs, iblob, iblob_sz))
	return 0;


    if (coeffs.type == THIN_PLATE_SPLINE)
      {
	  free_control_points_2d (&(coeffs.grass_cp));
	  clean_tps_coeffs (&coeffs);
	  return 0;		/* Thin Plate Spline coefficients can't be converted */
      }
    if (coeffs.order != 1)
	return 0;		/* only 1st order coefficients can be converted */

/* converting */
    if (coeffs.type == POLYNOMIAL_3D)
      {
	  a = coeffs.E[1];
	  b = coeffs.E[2];
	  c = coeffs.E[3];
	  d = coeffs.N[1];
	  e = coeffs.N[2];
	  f = coeffs.N[3];
	  g = coeffs.Z[1];
	  h = coeffs.Z[2];
	  i = coeffs.Z[3];
	  xoff = coeffs.E[0];
	  yoff = coeffs.N[0];
	  zoff = coeffs.Z[0];
      }
    else
      {
	  a = coeffs.E[1];
	  b = coeffs.E[2];
	  d = coeffs.N[1];
	  e = coeffs.N[2];
	  xoff = coeffs.E[0];
	  yoff = coeffs.N[0];
      }
    if (gaia_matrix_create
	(a, b, c, d, e, f, g, h, i, xoff, yoff, zoff, oblob, oblob_sz))

	return 1;
    return 0;
}

#endif /* end including GCO */

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#ifdef ENABLE_CONTROL_POINTS	/* only if ControlPoints enabled */



#include <spatialite_private.h>


#include <spatialite/control_points.h>

#include "grass_crs.h"
























GAIACP_DECLARE GaiaControlPointsPtr
gaiaCreateControlPoints (int allocation_incr, int has3d, int tps)
{
/* creating a Control Point set container */
    struct gaia_control_points *cp =
	malloc (sizeof (struct gaia_control_points));
    if (cp == NULL)
	return NULL;





    cp->has3d = has3d;
    cp->tps = tps;
    cp->affine_valid = 0;
    if (allocation_incr < 64)
	allocation_incr = 64;
    cp->allocation_incr = allocation_incr;
    cp->allocated_items = allocation_incr;
................................................................................
	free (cp->z1);
    if (cp->z2 != NULL)
	free (cp->z2);
    if (cp->status != NULL)
	free (cp->status);
}










































































































































































































































































































GAIACP_DECLARE int
gaiaAffineFromControlPoints (GaiaControlPointsPtr cp_handle)

{






/* creating an Affine Transform from the Control Points */
    struct Control_Points cp;
    struct Control_Points_3D cp3;
    int ret = 0;

    int use3d;
    int orthorot = 0;
    int order = 1;
    int order_pnts[2][3] = { {3, 6, 10}, {4, 10, 20} };

    double E12[20];
    double N12[20];
................................................................................
    double E21[20];
    double N21[20];
    double Z21[20];
    double *E12_t = NULL;
    double *N12_t = NULL;
    double *E21_t = NULL;
    double *N21_t = NULL;

    struct gaia_control_points *gaia_cp =
	(struct gaia_control_points *) cp_handle;
    if (gaia_cp == NULL)
	return 0;



    if (gaia_cp == NULL)
	return 0;

    cp.count = 0;
    cp.e1 = NULL;
    cp.e2 = NULL;
    cp.n1 = NULL;
................................................................................
    cp3.n1 = NULL;
    cp3.n2 = NULL;
    cp3.z1 = NULL;
    cp3.z2 = NULL;
    cp3.status = NULL;

    use3d = gaia_cp->has3d;

    if (use3d)
      {
	  /* 3D control points */
	  copy_control_points_3d (gaia_cp, &cp3);
	  ret =
	      CRS_compute_georef_equations_3d (&cp3, E12, N12, Z12, E21, N21,
					       Z21, order);
      }
    else
      {
	  /* 2D control points */
	  copy_control_points_2d (gaia_cp, &cp);
	  if (gaia_cp->tps)
	      ret =
		  I_compute_georef_equations_tps (&cp, &E12_t, &N12_t, &E21_t,
						  &N21_t);
	  else

	      ret = I_compute_georef_equations (&cp, E12, N12, E21, N21, order);

      }
fprintf(stderr, "ret=%d tps=%d\n", ret, gaia_cp->tps);

    switch (ret)
      {
      case 0:
	  fprintf (stderr,
		   "Not enough active control points for current order, %d are required.\n",
		   (orthorot ? 3 : order_pnts[use3d != 0][order - 1]));
................................................................................
      case -3:
	  fprintf (stderr, "Invalid order\n");
	  break;
      default:
	  break;
      }



    if (use3d)












	free_control_points_3d (&cp3);
    else
	free_control_points_2d (&cp);









    if (ret > 0)
      {






	  if (use3d)
	    {

















		gaia_cp->a = E12[1];
		gaia_cp->b = E12[2];
		gaia_cp->c = E12[3];
		gaia_cp->d = N12[1];
		gaia_cp->e = N12[2];
		gaia_cp->f = N12[3];
		gaia_cp->g = Z12[1];
		gaia_cp->h = Z12[2];
		gaia_cp->i = Z12[3];
		gaia_cp->xoff = E12[0];
		gaia_cp->yoff = N12[0];
		gaia_cp->zoff = Z12[0];
	    }






	  else








	    {








		if (gaia_cp->tps)
		  {






		      gaia_cp->a = E12_t[1];
		      gaia_cp->b = E12_t[2];
		      gaia_cp->d = N12_t[1];
		      gaia_cp->e = N12_t[2];
		      gaia_cp->xoff = E12_t[0];
		      gaia_cp->yoff = N12_t[0];
		      gaia_cp->affine_valid = 1;
fprintf(stderr, "pl\n");
		  }
		else







		  {


		      gaia_cp->a = E12[1];
		      gaia_cp->b = E12[2];
		      gaia_cp->d = N12[1];
		      gaia_cp->e = N12[2];
		      gaia_cp->xoff = E12[0];
		      gaia_cp->yoff = N12[0];
		      gaia_cp->affine_valid = 1;
		  }


	    }

















      }











































    if (E12_t != NULL)
	free (E12_t);
    if (N12_t != NULL)
	free (N12_t);







































































































































































    if (E21_t != NULL)












































































































































































































































	free (E21_t);
    if (N21_t != NULL)





	free (N21_t);





































    if (ret > 0)
	return 1;
    return 0;
}

#endif	/* end including CONTROL_POINTS */

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
*/

#ifndef DOXYGEN_SHOULD_SKIP_THIS
#define GCP_PRIVATE __attribute__ ((visibility("hidden")))
#endif

/* STRUCTURE FOR USE INTERNALLY WITH THESE FUNCTIONS.  THESE FUNCTIONS EXPECT
   SQUARE MATRICES SO ONLY ONE VARIABLE IS GIVEN (N) FOR THE MATRIX SIZE */

struct MATRIX
{
    int n;			/* SIZE OF THIS MATRIX (N x N) */
    double *v;
................................................................................
    double *z1;
    double *e2;
    double *n2;
    double *z2;
    int *status;
};

GCP_PRIVATE int
gcp_CRS_compute_georef_equations_3d (struct Control_Points_3D *,
				     double *, double *, double *,
				     double *, double *, double *, int);

GCP_PRIVATE int
gcp_I_compute_georef_equations (struct Control_Points *cp, double E12[],
				double N12[], double E21[], double N21[],
				int order);

GCP_PRIVATE int
gcp_I_compute_georef_equations_tps (struct Control_Points *cp,
				    double **E12tps, double **N12tps,
				    double **E21tps, double **N21tps);

GCP_PRIVATE int
gcp_I_georef (double e1, double n1, double *e, double *n, double E[],
	      double N[], int order);

GCP_PRIVATE int
gcp_CRS_georef_3d (double e1, double n1, double z1, double *e,
		   double *n, double *z, double E[], double N[],
		   double Z[], int order);

GCP_PRIVATE int
gcp_I_georef_tps (double e1, double n1, double *e, double *n, double *E,
		  double *N, struct Control_Points *cp, int fwd);

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
*/





/* STRUCTURE FOR USE INTERNALLY WITH THESE FUNCTIONS.  THESE FUNCTIONS EXPECT
   SQUARE MATRICES SO ONLY ONE VARIABLE IS GIVEN (N) FOR THE MATRIX SIZE */

struct MATRIX
{
    int n;			/* SIZE OF THIS MATRIX (N x N) */
    double *v;
................................................................................
    double *z1;
    double *e2;
    double *n2;
    double *z2;
    int *status;
};


int CRS_compute_georef_equations_3d (struct Control_Points_3D *,
				     double *, double *, double *,
				     double *, double *, double *, int);


int I_compute_georef_equations (struct Control_Points *cp, double E12[],
				double N12[], double E21[], double N21[],
				int order);


int I_compute_georef_equations_tps (struct Control_Points *cp,
				    double **E12tps, double **N12tps,
				    double **E21tps, double **N21tps);

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#ifdef ENABLE_GCP		/* only if ControlPoints enabled */

/* original code from Grass GIS starts here */

/***********************************************************************

   crs3d.c

................................................................................

/***********************************************************************

  TRANSFORM A SINGLE COORDINATE PAIR.

************************************************************************/

GCP_PRIVATE int
gcp_CRS_georef_3d (double e1,	/* EASTING TO BE TRANSFORMED */
		   double n1,	/* NORTHING TO BE TRANSFORMED */
		   double z1,	/* HEIGHT TO BE TRANSFORMED */
		   double *e,	/* EASTING, TRANSFORMED */
		   double *n,	/* NORTHING, TRANSFORMED */
		   double *z,	/* HEIGHT, TRANSFORMED */
		   double E[],	/* EASTING COEFFICIENTS */
		   double N[],	/* NORTHING COEFFICIENTS */
		   double Z[],	/* HEIGHT COEFFICIENTS */
		   int order	/* ORDER OF TRANSFORMATION TO BE PERFORMED, MUST MATCH THE
				   ORDER USED TO CALCULATE THE COEFFICIENTS */
    )
{
    double e2, n2, z2, en, ez, nz,
	e3, n3, z3, e2n, e2z, en2, ez2, n2z, nz2, enz;

    switch (order)
................................................................................
/***********************************************************************

  COMPUTE THE FORWARD AND BACKWARD GEOREFFERENCING COEFFICIENTS
  BASED ON A SET OF CONTROL POINTS

************************************************************************/

GCP_PRIVATE int
gcp_CRS_compute_georef_equations_3d (struct Control_Points_3D *cp,
				     double E12[], double N12[], double Z12[],
				     double E21[], double N21[], double Z21[],
				     int order)
{
    double *tempptr;
    int status;

    if (order < 1 || order > MAXORDER)
	return MPARMERR;

    /* CALCULATE THE FORWARD TRANSFORMATION COEFFICIENTS */

    status = calccoef (cp, E12, N12, Z12, order);

    if (status != MSUCCESS)
	return status;

    /* SWITCH THE 1 AND 2 EASTING, NORTHING, AND HEIGHT ARRAYS */

................................................................................
	  N[i - 1] = b[i - 1] / M (i, i);
	  Z[i - 1] = c[i - 1] / M (i, i);
      }

    return MSUCCESS;
}

#endif /* end including GCP */

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#ifdef ENABLE_CONTROL_POINTS	/* only if ControlPoints enabled */

/* original code from Grass GIS starts here */

/***********************************************************************

   crs3d.c

................................................................................

/***********************************************************************

  TRANSFORM A SINGLE COORDINATE PAIR.

************************************************************************/

int
CRS_georef_3d (double e1,	/* EASTING TO BE TRANSFORMED */
	       double n1,	/* NORTHING TO BE TRANSFORMED */
	       double z1,	/* HEIGHT TO BE TRANSFORMED */
	       double *e,	/* EASTING, TRANSFORMED */
	       double *n,	/* NORTHING, TRANSFORMED */
	       double *z,	/* HEIGHT, TRANSFORMED */
	       double E[],	/* EASTING COEFFICIENTS */
	       double N[],	/* NORTHING COEFFICIENTS */
	       double Z[],	/* HEIGHT COEFFICIENTS */
	       int order	/* ORDER OF TRANSFORMATION TO BE PERFORMED, MUST MATCH THE
				   ORDER USED TO CALCULATE THE COEFFICIENTS */
    )
{
    double e2, n2, z2, en, ez, nz,
	e3, n3, z3, e2n, e2z, en2, ez2, n2z, nz2, enz;

    switch (order)
................................................................................
/***********************************************************************

  COMPUTE THE FORWARD AND BACKWARD GEOREFFERENCING COEFFICIENTS
  BASED ON A SET OF CONTROL POINTS

************************************************************************/

int
CRS_compute_georef_equations_3d (struct Control_Points_3D *cp,
				 double E12[], double N12[], double Z12[],
				 double E21[], double N21[], double Z21[],
				 int order)
{
    double *tempptr;
    int status;

    if (order < 1 || order > MAXORDER)
	return MPARMERR;

    /* CALCULATE THE FORWARD TRANSFORMATION COEFFICIENTS */

    status = calccoef (cp, E12, N12, Z12, order);

    if (status != MSUCCESS)
	return status;

    /* SWITCH THE 1 AND 2 EASTING, NORTHING, AND HEIGHT ARRAYS */

................................................................................
	  N[i - 1] = b[i - 1] / M (i, i);
	  Z[i - 1] = c[i - 1] / M (i, i);
      }

    return MSUCCESS;
}

#endif	/* end including CONTROL_POINTS */

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
*/

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#ifdef ENABLE_GCP		/* only if ControlPoints enabled */

/* original code from Grass GIS starts here */

/****************************************************************************
 *
 * MODULE:       imagery library
 * AUTHOR(S):    Original author(s) name(s) unknown - written by CERL
................................................................................

/***********************************************************************

  TRANSFORM A SINGLE COORDINATE PAIR.

************************************************************************/

GCP_PRIVATE int
gcp_I_georef (double e1,	/* EASTING TO BE TRANSFORMED */
	      double n1,	/* NORTHING TO BE TRANSFORMED */
	      double *e,	/* EASTING, TRANSFORMED */
	      double *n,	/* NORTHING, TRANSFORMED */
	      double E[],	/* EASTING COEFFICIENTS */
	      double N[],	/* NORTHING COEFFICIENTS */
	      int order		/* ORDER OF TRANSFORMATION TO BE PERFORMED, MUST MATCH THE
				   ORDER USED TO CALCULATE THE COEFFICIENTS */
    )
{
    double e3, e2n, en2, n3, e2, en, n2;

    switch (order)
      {
................................................................................
/***********************************************************************

  COMPUTE THE FORWARD AND BACKWARD GEOREFFERENCING COEFFICIENTS
  BASED ON A SET OF CONTROL POINTS

************************************************************************/

GCP_PRIVATE int
gcp_I_compute_georef_equations (struct Control_Points *cp, double E12[],
				double N12[], double E21[], double N21[],
				int order)
{
    double *tempptr;
    int status;

    if (order < 1 || order > MAXORDER)
	return MPARMERR;

................................................................................
	  E[i - 1] = a[i - 1] / M (i, i);
	  N[i - 1] = b[i - 1] / M (i, i);
      }

    return MSUCCESS;
}

#endif /* end including GCP */

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
*/


#include <stdlib.h>
#include <math.h>

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#ifdef ENABLE_CONTROL_POINTS	/* only if ControlPoints enabled */

/* original code from Grass GIS starts here */

/****************************************************************************
 *
 * MODULE:       imagery library
 * AUTHOR(S):    Original author(s) name(s) unknown - written by CERL
................................................................................

/***********************************************************************

  TRANSFORM A SINGLE COORDINATE PAIR.

************************************************************************/

int
I_georef (double e1,		/* EASTING TO BE TRANSFORMED */
	  double n1,		/* NORTHING TO BE TRANSFORMED */
	  double *e,		/* EASTING, TRANSFORMED */
	  double *n,		/* NORTHING, TRANSFORMED */
	  double E[],		/* EASTING COEFFICIENTS */
	  double N[],		/* NORTHING COEFFICIENTS */
	  int order		/* ORDER OF TRANSFORMATION TO BE PERFORMED, MUST MATCH THE
				   ORDER USED TO CALCULATE THE COEFFICIENTS */
    )
{
    double e3, e2n, en2, n3, e2, en, n2;

    switch (order)
      {
................................................................................
/***********************************************************************

  COMPUTE THE FORWARD AND BACKWARD GEOREFFERENCING COEFFICIENTS
  BASED ON A SET OF CONTROL POINTS

************************************************************************/

int
I_compute_georef_equations (struct Control_Points *cp, double E12[],
			    double N12[], double E21[], double N21[], int order)

{
    double *tempptr;
    int status;

    if (order < 1 || order > MAXORDER)
	return MPARMERR;

................................................................................
	  E[i - 1] = a[i - 1] / M (i, i);
	  N[i - 1] = b[i - 1] / M (i, i);
      }

    return MSUCCESS;
}

#endif	/* end including CONTROL_POINTS */

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#ifdef ENABLE_GCP		/* only if ControlPoints enabled */

/* original code from Grass GIS starts here */

/****************************************************************************
 *
 * MODULE:       imagery library
 * AUTHOR(S):    Markus Metz
................................................................................

/***********************************************************************

  TRANSFORM A SINGLE COORDINATE PAIR.

************************************************************************/

GCP_PRIVATE int
gcp_I_georef_tps (double e1,	/* EASTING TO BE TRANSFORMED */
		  double n1,	/* NORTHING TO BE TRANSFORMED */
		  double *e,	/* EASTING, TRANSFORMED */
		  double *n,	/* NORTHING, TRANSFORMED */
		  double *E,	/* EASTING COEFFICIENTS */
		  double *N,	/* NORTHING COEFFICIENTS */
		  struct Control_Points *cp, int fwd)
{
    int i, j;
    double dist, *pe, *pn;

    if (fwd)
      {
	  pe = cp->e1;
................................................................................
	  pe = cp->e2;
	  pn = cp->n2;
      }

    /* global affine (1st order poly) */
    *e = E[0] + e1 * E[1] + n1 * E[2];
    *n = N[0] + e1 * N[1] + n1 * N[2];


    for (i = 0, j = 0; i < cp->count; i++)
      {
	  if (cp->status[i] > 0)
	    {

		dist = tps_base_func (e1, n1, pe[i], pn[i]);
................................................................................
/***********************************************************************

  COMPUTE THE FORWARD AND BACKWARD GEOREFFERENCING COEFFICIENTS
  BASED ON A SET OF CONTROL POINTS

************************************************************************/

GCP_PRIVATE int
gcp_I_compute_georef_equations_tps (struct Control_Points *cp,
				    double **E12tps, double **N12tps,
				    double **E21tps, double **N21tps)
{
    double *tempptr;
    int numactive;		/* NUMBER OF ACTIVE CONTROL POINTS */
    int status, i;
    double xmax, xmin, ymax, ymin;
    double delx, dely;
    double xx, yy;
................................................................................
	return 0.0;

    dist = (x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1);

    return dist * log (dist) * 0.5;
}

#endif /* end including GCO */

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#ifdef ENABLE_CONTROL_POINTS	/* only if ControlPoints enabled */

/* original code from Grass GIS starts here */

/****************************************************************************
 *
 * MODULE:       imagery library
 * AUTHOR(S):    Markus Metz
................................................................................

/***********************************************************************

  TRANSFORM A SINGLE COORDINATE PAIR.

************************************************************************/

int
I_georef_tps (double e1,	/* EASTING TO BE TRANSFORMED */
	      double n1,	/* NORTHING TO BE TRANSFORMED */
	      double *e,	/* EASTING, TRANSFORMED */
	      double *n,	/* NORTHING, TRANSFORMED */
	      double *E,	/* EASTING COEFFICIENTS */
	      double *N,	/* NORTHING COEFFICIENTS */
	      struct Control_Points *cp, int fwd)
{
    int i, j;
    double dist, *pe, *pn;

    if (fwd)
      {
	  pe = cp->e1;
................................................................................
	  pe = cp->e2;
	  pn = cp->n2;
      }

    /* global affine (1st order poly) */
    *e = E[0] + e1 * E[1] + n1 * E[2];
    *n = N[0] + e1 * N[1] + n1 * N[2];


    for (i = 0, j = 0; i < cp->count; i++)
      {
	  if (cp->status[i] > 0)
	    {

		dist = tps_base_func (e1, n1, pe[i], pn[i]);
................................................................................
/***********************************************************************

  COMPUTE THE FORWARD AND BACKWARD GEOREFFERENCING COEFFICIENTS
  BASED ON A SET OF CONTROL POINTS

************************************************************************/

int
I_compute_georef_equations_tps (struct Control_Points *cp,
				double **E12tps, double **N12tps,
				double **E21tps, double **N21tps)
{
    double *tempptr;
    int numactive;		/* NUMBER OF ACTIVE CONTROL POINTS */
    int status, i;
    double xmax, xmin, ymax, ymin;
    double delx, dely;
    double xx, yy;
................................................................................
	return 0.0;

    dist = (x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1);

    return dist * log (dist) * 0.5;
}

#endif	/* end including CONTROL_POINTS */

#include "config.h"
#endif

#include <spatialite/sqlite.h>

#include <spatialite/gaiageo.h>
#include <spatialite/gaiamatrix.h>
#include <spatialite_private.h>

#define MATRIX_MAGIC_START		0x00
#define MATRIX_MAGIC_DELIMITER	0x3a
#define MATRIX_MAGIC_END		0xb3

struct at_matrix
{
................................................................................
			}
		  }
	    }
	  polyg = polyg->Next;
      }
    return new_geom;
}

static double
matrix_determinant (struct at_matrix *matrix)
{
/* computing the Determinant for a 4x4 Matrix */
    double m00 = matrix->xx;
    double m01 = matrix->xy;
    double m02 = matrix->xz;
    double m03 = matrix->xoff;
    double m10 = matrix->yx;
    double m11 = matrix->yy;
    double m12 = matrix->yz;
    double m13 = matrix->yoff;
    double m20 = matrix->zx;
    double m21 = matrix->zy;
    double m22 = matrix->zz;
    double m23 = matrix->zoff;
    double m30 = matrix->w1;
    double m31 = matrix->w2;
    double m32 = matrix->w3;
    double m33 = matrix->w4;
    double value =
	m03 * m12 * m21 * m30 - m02 * m13 * m21 * m30 - m03 * m11 * m22 * m30 +
	m01 * m13 * m22 * m30 + m02 * m11 * m23 * m30 - m01 * m12 * m23 * m30 -
	m03 * m12 * m20 * m31 + m02 * m13 * m20 * m31 + m03 * m10 * m22 * m31 -
	m00 * m13 * m22 * m31 - m02 * m10 * m23 * m31 + m00 * m12 * m23 * m31 +
	m03 * m11 * m20 * m32 - m01 * m13 * m20 * m32 - m03 * m10 * m21 * m32 +
	m00 * m13 * m21 * m32 + m01 * m10 * m23 * m32 - m00 * m11 * m23 * m32 -
	m02 * m11 * m20 * m33 + m01 * m12 * m20 * m33 + m02 * m10 * m21 * m33 -
	m00 * m12 * m21 * m33 - m01 * m10 * m22 * m33 + m00 * m11 * m22 * m33;
    return value;
}

GAIAMATRIX_DECLARE double
gaia_matrix_determinant (const unsigned char *blob, int blob_sz)
{
/* computing the Determinant from a BLOB-AMT object */
    double det;
    struct at_matrix matrix;
    if (!gaia_matrix_is_valid (blob, blob_sz))
	return 0.0;
    if (!blob_matrix_decode (&matrix, blob, blob_sz))
	return 0.0;

/* computing the Determinant */
    det = matrix_determinant (&matrix);
    return det;
}


static void
matrix_invert (struct at_matrix *matrix, double determinant)
{
/* inverting a Matrix */
    double m00 = matrix->xx;
    double m01 = matrix->xy;
    double m02 = matrix->xz;
    double m03 = matrix->xoff;
    double m10 = matrix->yx;
    double m11 = matrix->yy;
    double m12 = matrix->yz;
    double m13 = matrix->yoff;
    double m20 = matrix->zx;
    double m21 = matrix->zy;
    double m22 = matrix->zz;
    double m23 = matrix->zoff;
    double m30 = matrix->w1;
    double m31 = matrix->w2;
    double m32 = matrix->w3;
    double m33 = matrix->w4;
    double scale = 1.0 / determinant;
    double r00 =
	m12 * m23 * m31 - m13 * m22 * m31 + m13 * m21 * m32 - m11 * m23 * m32 -
	m12 * m21 * m33 + m11 * m22 * m33;
    double r01 =
	m03 * m22 * m31 - m02 * m23 * m31 - m03 * m21 * m32 + m01 * m23 * m32 +
	m02 * m21 * m33 - m01 * m22 * m33;
    double r02 =
	m02 * m13 * m31 - m03 * m12 * m31 + m03 * m11 * m32 - m01 * m13 * m32 -
	m02 * m11 * m33 + m01 * m12 * m33;
    double r03 =
	m03 * m12 * m21 - m02 * m13 * m21 - m03 * m11 * m22 + m01 * m13 * m22 +
	m02 * m11 * m23 - m01 * m12 * m23;
    double r10 =
	m13 * m22 * m30 - m12 * m23 * m30 - m13 * m20 * m32 + m10 * m23 * m32 +
	m12 * m20 * m33 - m10 * m22 * m33;
    double r11 =
	m02 * m23 * m30 - m03 * m22 * m30 + m03 * m20 * m32 - m00 * m23 * m32 -
	m02 * m20 * m33 + m00 * m22 * m33;
    double r12 =
	m03 * m12 * m30 - m02 * m13 * m30 - m03 * m10 * m32 + m00 * m13 * m32 +
	m02 * m10 * m33 - m00 * m12 * m33;
    double r13 =
	m02 * m13 * m20 - m03 * m12 * m20 + m03 * m10 * m22 - m00 * m13 * m22 -
	m02 * m10 * m23 + m00 * m12 * m23;
    double r20 =
	m11 * m23 * m30 - m13 * m21 * m30 + m13 * m20 * m31 - m10 * m23 * m31 -
	m11 * m20 * m33 + m10 * m21 * m33;
    double r21 =
	m03 * m21 * m30 - m01 * m23 * m30 - m03 * m20 * m31 + m00 * m23 * m31 +
	m01 * m20 * m33 - m00 * m21 * m33;
    double r22 =
	m01 * m13 * m30 - m03 * m11 * m30 + m03 * m10 * m31 - m00 * m13 * m31 -
	m01 * m10 * m33 + m00 * m11 * m33;
    double r23 =
	m03 * m11 * m20 - m01 * m13 * m20 - m03 * m10 * m21 + m00 * m13 * m21 +
	m01 * m10 * m23 - m00 * m11 * m23;
    double r30 =
	m12 * m21 * m30 - m11 * m22 * m30 - m12 * m20 * m31 + m10 * m22 * m31 +
	m11 * m20 * m32 - m10 * m21 * m32;
    double r31 =
	m01 * m22 * m30 - m02 * m21 * m30 + m02 * m20 * m31 - m00 * m22 * m31 -
	m01 * m20 * m32 + m00 * m21 * m32;
    double r32 =
	m02 * m11 * m30 - m01 * m12 * m30 - m02 * m10 * m31 + m00 * m12 * m31 +
	m01 * m10 * m32 - m00 * m11 * m32;
    double r33 =
	m01 * m12 * m20 - m02 * m11 * m20 + m02 * m10 * m21 - m00 * m12 * m21 -
	m01 * m10 * m22 + m00 * m11 * m22;
    matrix->xx = r00 * scale;
    matrix->xy = r01 * scale;
    matrix->xz = r02 * scale;
    matrix->xoff = r03 * scale;
    matrix->yx = r10 * scale;
    matrix->yy = r11 * scale;
    matrix->yz = r12 * scale;
    matrix->yoff = r13 * scale;
    matrix->zx = r20 * scale;
    matrix->zy = r21 * scale;
    matrix->zz = r22 * scale;
    matrix->zoff = r23 * scale;
    matrix->w1 = r30 * scale;
    matrix->w2 = r31 * scale;
    matrix->w3 = r32 * scale;
    matrix->w4 = r33 * scale;
}

GAIAMATRIX_DECLARE int
gaia_matrix_invert (const unsigned char *iblob, int iblob_sz,
		    unsigned char **oblob, int *oblob_sz)
{
/*
* creating a BLOB-serialized Affine Transform Matrix
* by Inverting another Matrix
*/
    double det;
    struct at_matrix matrix;

    *oblob = NULL;
    *oblob_sz = 0;
    if (!gaia_matrix_is_valid (iblob, iblob_sz))
	return 0;
    if (!blob_matrix_decode (&matrix, iblob, iblob_sz))
	return 0;
    det = matrix_determinant (&matrix);
    if (det == 0.0)
	return 0;

/* creating the Inverse Matrix */
    matrix_invert (&matrix, det);
    return blob_matrix_encode (&matrix, oblob, oblob_sz);
}

#include "config.h"
#endif

#include <spatialite/sqlite.h>

#include <spatialite/gaiageo.h>
#include <spatialite/gaiamatrix.h>


#define MATRIX_MAGIC_START		0x00
#define MATRIX_MAGIC_DELIMITER	0x3a
#define MATRIX_MAGIC_END		0xb3

struct at_matrix
{
................................................................................
			}
		  }
	    }
	  polyg = polyg->Next;
      }
    return new_geom;
}

#else
#include "config.h"
#endif

#include <spatialite/sqlite.h>

#include <spatialite/gaiageo.h>
#include <spatialite/geopackage.h>

static void
ParseWkbPoint (gaiaGeomCollPtr geo)
{
/* decodes a POINT from WKB */
    double x;
    double y;
................................................................................
	    default:
		break;
	    };
      }
}

GAIAGEO_DECLARE gaiaGeomCollPtr
gaiaFromSpatiaLiteBlobWkbEx (const unsigned char *blob, unsigned int size,
			     int gpkg_amphibious)
{
/* decoding from SpatiaLite BLOB to GEOMETRY */
    int type;
    int little_endian;
    int endian_arch = gaiaEndianArch ();
    gaiaGeomCollPtr geo = NULL;

    if (gpkg_amphibious)
      {
#ifdef ENABLE_GEOPACKAGE	/* GEOPACKAGE enabled: supporting GPKG geometries */
	  if (gaiaIsValidGPB (blob, size))
	    {
		geo = gaiaFromGeoPackageGeometryBlob (blob, size);
		if (geo != NULL)
		    return geo;
	    }
#else
	  ;
#endif /* end GEOPACKAGE: supporting GPKG geometries */
      }

    if (size < 45)
	return NULL;		/* cannot be an internal BLOB WKB geometry */
    if (*(blob + 0) != GAIA_MARK_START)
	return NULL;		/* failed to recognize START signature */
    if (*(blob + (size - 1)) != GAIA_MARK_END)
	return NULL;		/* failed to recognize END signature */
    if (*(blob + 38) != GAIA_MARK_MBR)
................................................................................
      default:
	  geo->DeclaredType = GAIA_UNKNOWN;
	  break;
      };
    return geo;
}

GAIAGEO_DECLARE gaiaGeomCollPtr
gaiaFromSpatiaLiteBlobWkb (const unsigned char *blob, unsigned int size)
{
/* 
* decoding from SpatiaLite BLOB to GEOMETRY 
* convenience method - always disabling GPKG Amphibious Mode
*/
    return gaiaFromSpatiaLiteBlobWkbEx (blob, size, 0);
}

GAIAGEO_DECLARE gaiaGeomCollPtr
gaiaFromSpatiaLiteBlobMbr (const unsigned char *blob, unsigned int size)
{
/* decoding from SpatiaLite BLOB to GEOMETRY [MBR only] */
    int little_endian;
    int endian_arch = gaiaEndianArch ();
    double minx;

#else
#include "config.h"
#endif

#include <spatialite/sqlite.h>

#include <spatialite/gaiageo.h>


static void
ParseWkbPoint (gaiaGeomCollPtr geo)
{
/* decodes a POINT from WKB */
    double x;
    double y;
................................................................................
	    default:
		break;
	    };
      }
}

GAIAGEO_DECLARE gaiaGeomCollPtr
gaiaFromSpatiaLiteBlobWkb (const unsigned char *blob, unsigned int size)

{
/* decoding from SpatiaLite BLOB to GEOMETRY */
    int type;
    int little_endian;
    int endian_arch = gaiaEndianArch ();
    gaiaGeomCollPtr geo = NULL;















    if (size < 45)
	return NULL;		/* cannot be an internal BLOB WKB geometry */
    if (*(blob + 0) != GAIA_MARK_START)
	return NULL;		/* failed to recognize START signature */
    if (*(blob + (size - 1)) != GAIA_MARK_END)
	return NULL;		/* failed to recognize END signature */
    if (*(blob + 38) != GAIA_MARK_MBR)
................................................................................
      default:
	  geo->DeclaredType = GAIA_UNKNOWN;
	  break;
      };
    return geo;
}











GAIAGEO_DECLARE gaiaGeomCollPtr
gaiaFromSpatiaLiteBlobMbr (const unsigned char *blob, unsigned int size)
{
/* decoding from SpatiaLite BLOB to GEOMETRY [MBR only] */
    int little_endian;
    int endian_arch = gaiaEndianArch ();
    double minx;

    sqlite3_free (buf_x);
    sqlite3_free (buf_y);
    gaiaAppendToOutBuffer (out_buf, buf);
    sqlite3_free (buf);
}

static void
gaiaOutPoint (gaiaOutBufferPtr out_buf, gaiaPointPtr point, int precision)
{
/* formats a WKT POINT */
    char *buf_x;
    char *buf_y;
    char *buf;
    if (precision < 0)
	buf_x = sqlite3_mprintf ("%1.6f", point->X);
    else
	buf_x = sqlite3_mprintf ("%.*f", precision, point->X);
    gaiaOutClean (buf_x);
    if (precision < 0)
	buf_y = sqlite3_mprintf ("%1.6f", point->Y);
    else
	buf_y = sqlite3_mprintf ("%.*f", precision, point->Y);
    gaiaOutClean (buf_y);
    buf = sqlite3_mprintf ("%s %s", buf_x, buf_y);
    sqlite3_free (buf_x);
    sqlite3_free (buf_y);
    gaiaAppendToOutBuffer (out_buf, buf);
    sqlite3_free (buf);
}

GAIAGEO_DECLARE void
gaiaOutPointZex (gaiaOutBufferPtr out_buf, gaiaPointPtr point, int precision)
{
/* formats a WKT POINTZ */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf;
    if (precision < 0)
	buf_x = sqlite3_mprintf ("%1.6f", point->X);
    else
	buf_x = sqlite3_mprintf ("%.*f", precision, point->X);
    gaiaOutClean (buf_x);
    if (precision < 0)
	buf_y = sqlite3_mprintf ("%1.6f", point->Y);
    else
	buf_y = sqlite3_mprintf ("%.*f", precision, point->Y);
    gaiaOutClean (buf_y);
    if (precision < 0)
	buf_z = sqlite3_mprintf ("%1.6f", point->Z);
    else
	buf_z = sqlite3_mprintf ("%.*f", precision, point->Z);
    gaiaOutClean (buf_z);
    buf = sqlite3_mprintf ("%s %s %s", buf_x, buf_y, buf_z);
    sqlite3_free (buf_x);
    sqlite3_free (buf_y);
    sqlite3_free (buf_z);
    gaiaAppendToOutBuffer (out_buf, buf);
    sqlite3_free (buf);
}

GAIAGEO_DECLARE void
gaiaOutPointZ (gaiaOutBufferPtr out_buf, gaiaPointPtr point)
{
/* 
* formats a WKT POINTZ 
* convenience method - default decimal precision
*/
    gaiaOutPointZex (out_buf, point, -1);
}

static void
gaiaOutPointM (gaiaOutBufferPtr out_buf, gaiaPointPtr point, int precision)
{
/* formats a WKT POINTM */
    char *buf_x;
    char *buf_y;
    char *buf_m;
    char *buf;
    if (precision < 0)
	buf_x = sqlite3_mprintf ("%1.6f", point->X);
    else
	buf_x = sqlite3_mprintf ("%.*f", precision, point->X);
    gaiaOutClean (buf_x);
    if (precision < 0)
	buf_y = sqlite3_mprintf ("%1.6f", point->Y);
    else
	buf_y = sqlite3_mprintf ("%.*f", precision, point->Y);
    gaiaOutClean (buf_y);
    if (precision < 0)
	buf_m = sqlite3_mprintf ("%1.6f", point->M);
    else
	buf_m = sqlite3_mprintf ("%.*f", precision, point->M);
    gaiaOutClean (buf_m);
    buf = sqlite3_mprintf ("%s %s %s", buf_x, buf_y, buf_m);
    sqlite3_free (buf_x);
    sqlite3_free (buf_y);
    sqlite3_free (buf_m);
    gaiaAppendToOutBuffer (out_buf, buf);
    sqlite3_free (buf);
}

static void
gaiaOutPointZM (gaiaOutBufferPtr out_buf, gaiaPointPtr point, int precision)
{
/* formats a WKT POINTZM */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf_m;
    char *buf;
    if (precision < 0)
	buf_x = sqlite3_mprintf ("%1.6f", point->X);
    else
	buf_x = sqlite3_mprintf ("%.*f", precision, point->X);
    gaiaOutClean (buf_x);
    if (precision < 0)
	buf_y = sqlite3_mprintf ("%1.6f", point->Y);
    else
	buf_y = sqlite3_mprintf ("%.*f", precision, point->Y);
    gaiaOutClean (buf_y);
    if (precision < 0)
	buf_z = sqlite3_mprintf ("%1.6f", point->Z);
    else
	buf_z = sqlite3_mprintf ("%.*f", precision, point->Z);
    gaiaOutClean (buf_z);
    if (precision < 0)
	buf_m = sqlite3_mprintf ("%1.6f", point->M);
    else
	buf_m = sqlite3_mprintf ("%.*f", precision, point->M);
    gaiaOutClean (buf_m);
    buf = sqlite3_mprintf ("%s %s %s %s", buf_x, buf_y, buf_z, buf_m);
    sqlite3_free (buf_x);
    sqlite3_free (buf_y);
    sqlite3_free (buf_z);
    sqlite3_free (buf_m);
    gaiaAppendToOutBuffer (out_buf, buf);
................................................................................
	  sqlite3_free (buf_y);
	  gaiaAppendToOutBuffer (out_buf, buf);
	  sqlite3_free (buf);
      }
}

static void
gaiaOutLinestring (gaiaOutBufferPtr out_buf, gaiaLinestringPtr line,
		   int precision)
{
/* formats a WKT LINESTRING */
    char *buf_x;
    char *buf_y;
    char *buf;
    double x;
    double y;
    int iv;
    for (iv = 0; iv < line->Points; iv++)
      {
	  gaiaGetPoint (line->Coords, iv, &x, &y);
	  if (precision < 0)
	      buf_x = sqlite3_mprintf ("%1.6f", x);
	  else
	      buf_x = sqlite3_mprintf ("%.*f", precision, x);
	  gaiaOutClean (buf_x);
	  if (precision < 0)
	      buf_y = sqlite3_mprintf ("%1.6f", y);
	  else
	      buf_y = sqlite3_mprintf ("%.*f", precision, y);
	  gaiaOutClean (buf_y);
	  if (iv > 0)
	      buf = sqlite3_mprintf (", %s %s", buf_x, buf_y);
	  else
	      buf = sqlite3_mprintf ("%s %s", buf_x, buf_y);
	  sqlite3_free (buf_x);
	  sqlite3_free (buf_y);
	  gaiaAppendToOutBuffer (out_buf, buf);
	  sqlite3_free (buf);
      }
}

GAIAGEO_DECLARE void
gaiaOutLinestringZex (gaiaOutBufferPtr out_buf, gaiaLinestringPtr line,
		      int precision)
{
/* formats a WKT LINESTRINGZ */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf;
    double x;
    double y;
    double z;
    int iv;
    for (iv = 0; iv < line->Points; iv++)
      {
	  gaiaGetPointXYZ (line->Coords, iv, &x, &y, &z);
	  if (precision < 0)
	      buf_x = sqlite3_mprintf ("%1.6f", x);
	  else
	      buf_x = sqlite3_mprintf ("%.*f", precision, x);
	  gaiaOutClean (buf_x);
	  if (precision < 0)
	      buf_y = sqlite3_mprintf ("%1.6f", y);
	  else
	      buf_y = sqlite3_mprintf ("%.*f", precision, y);
	  gaiaOutClean (buf_y);
	  if (precision < 0)
	      buf_z = sqlite3_mprintf ("%1.6f", z);
	  else
	      buf_z = sqlite3_mprintf ("%.*f", precision, z);
	  gaiaOutClean (buf_z);
	  if (iv > 0)
	      buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_z);
	  else
	      buf = sqlite3_mprintf ("%s %s %s", buf_x, buf_y, buf_z);
	  sqlite3_free (buf_x);
	  sqlite3_free (buf_y);
	  sqlite3_free (buf_z);
	  gaiaAppendToOutBuffer (out_buf, buf);
	  sqlite3_free (buf);
      }
}

GAIAGEO_DECLARE void
gaiaOutLinestringZ (gaiaOutBufferPtr out_buf, gaiaLinestringPtr line)
{
/*
* formats a WKT LINESTRINGZ 
* convenience method - default decimal precision
*/
    gaiaOutLinestringZex (out_buf, line, -1);
}

static void
gaiaOutLinestringM (gaiaOutBufferPtr out_buf, gaiaLinestringPtr line,
		    int precision)
{
/* formats a WKT LINESTRINGM */
    char *buf_x;
    char *buf_y;
    char *buf_m;
    char *buf;
    double x;
    double y;
    double m;
    int iv;
    for (iv = 0; iv < line->Points; iv++)
      {
	  gaiaGetPointXYM (line->Coords, iv, &x, &y, &m);
	  if (precision < 0)
	      buf_x = sqlite3_mprintf ("%1.6f", x);
	  else
	      buf_x = sqlite3_mprintf ("%.*f", precision, x);
	  gaiaOutClean (buf_x);
	  if (precision < 0)
	      buf_y = sqlite3_mprintf ("%1.6f", y);
	  else
	      buf_y = sqlite3_mprintf ("%.*f", precision, y);
	  gaiaOutClean (buf_y);
	  if (precision < 0)
	      buf_m = sqlite3_mprintf ("%1.6f", m);
	  else
	      buf_m = sqlite3_mprintf ("%.*f", precision, m);
	  gaiaOutClean (buf_m);
	  if (iv > 0)
	      buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_m);
	  else
	      buf = sqlite3_mprintf ("%s %s %s", buf_x, buf_y, buf_m);
	  sqlite3_free (buf_x);
	  sqlite3_free (buf_y);
................................................................................
	  sqlite3_free (buf_m);
	  gaiaAppendToOutBuffer (out_buf, buf);
	  sqlite3_free (buf);
      }
}

static void
gaiaOutLinestringZM (gaiaOutBufferPtr out_buf, gaiaLinestringPtr line,
		     int precision)
{
/* formats a WKT LINESTRINGZM */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf_m;
    char *buf;
................................................................................
    double y;
    double z;
    double m;
    int iv;
    for (iv = 0; iv < line->Points; iv++)
      {
	  gaiaGetPointXYZM (line->Coords, iv, &x, &y, &z, &m);
	  if (precision < 0)
	      buf_x = sqlite3_mprintf ("%1.6f", x);
	  else
	      buf_x = sqlite3_mprintf ("%.*f", precision, x);
	  gaiaOutClean (buf_x);
	  if (precision < 0)
	      buf_y = sqlite3_mprintf ("%1.6f", y);
	  else
	      buf_y = sqlite3_mprintf ("%.*f", precision, y);
	  gaiaOutClean (buf_y);
	  if (precision < 0)
	      buf_z = sqlite3_mprintf ("%1.6f", z);
	  else
	      buf_z = sqlite3_mprintf ("%.*f", precision, z);
	  gaiaOutClean (buf_z);
	  if (precision < 0)
	      buf_m = sqlite3_mprintf ("%1.6f", m);
	  else
	      buf_m = sqlite3_mprintf ("%.*f", precision, m);
	  gaiaOutClean (buf_m);
	  if (iv > 0)
	      buf =
		  sqlite3_mprintf (", %s %s %s %s", buf_x, buf_y, buf_z, buf_m);
	  else
	      buf = sqlite3_mprintf ("%s %s %s %s", buf_x, buf_y, buf_z, buf_m);
	  sqlite3_free (buf_x);
................................................................................
		gaiaAppendToOutBuffer (out_buf, buf);
		sqlite3_free (buf);
	    }
      }
}

static void
gaiaOutPolygon (gaiaOutBufferPtr out_buf, gaiaPolygonPtr polyg, int precision)
{
/* formats a WKT POLYGON */
    char *buf_x;
    char *buf_y;
    char *buf;
    int ib;
    int iv;
    double x;
    double y;
    gaiaRingPtr ring = polyg->Exterior;
    for (iv = 0; iv < ring->Points; iv++)
      {
	  gaiaGetPoint (ring->Coords, iv, &x, &y);
	  if (precision < 0)
	      buf_x = sqlite3_mprintf ("%1.6f", x);
	  else
	      buf_x = sqlite3_mprintf ("%.*f", precision, x);
	  gaiaOutClean (buf_x);
	  if (precision < 0)
	      buf_y = sqlite3_mprintf ("%1.6f", y);
	  else
	      buf_y = sqlite3_mprintf ("%.*f", precision, y);
	  gaiaOutClean (buf_y);
	  if (iv == 0)
	      buf = sqlite3_mprintf ("(%s %s", buf_x, buf_y);
	  else if (iv == (ring->Points - 1))
	      buf = sqlite3_mprintf (", %s %s)", buf_x, buf_y);
	  else
	      buf = sqlite3_mprintf (", %s %s", buf_x, buf_y);
................................................................................
      }
    for (ib = 0; ib < polyg->NumInteriors; ib++)
      {
	  ring = polyg->Interiors + ib;
	  for (iv = 0; iv < ring->Points; iv++)
	    {
		gaiaGetPoint (ring->Coords, iv, &x, &y);
		if (precision < 0)
		    buf_x = sqlite3_mprintf ("%1.6f", x);
		else
		    buf_x = sqlite3_mprintf ("%.*f", precision, x);
		gaiaOutClean (buf_x);
		if (precision < 0)
		    buf_y = sqlite3_mprintf ("%1.6f", y);
		else
		    buf_y = sqlite3_mprintf ("%.*f", precision, y);
		gaiaOutClean (buf_y);
		if (iv == 0)
		    buf = sqlite3_mprintf (", (%s %s", buf_x, buf_y);
		else if (iv == (ring->Points - 1))
		    buf = sqlite3_mprintf (", %s %s)", buf_x, buf_y);
		else
		    buf = sqlite3_mprintf (", %s %s", buf_x, buf_y);
................................................................................
		gaiaAppendToOutBuffer (out_buf, buf);
		sqlite3_free (buf);
	    }
      }
}

GAIAGEO_DECLARE void
gaiaOutPolygonZex (gaiaOutBufferPtr out_buf, gaiaPolygonPtr polyg,
		   int precision)
{
/* formats a WKT POLYGONZ */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf;
    int ib;
................................................................................
    double x;
    double y;
    double z;
    gaiaRingPtr ring = polyg->Exterior;
    for (iv = 0; iv < ring->Points; iv++)
      {
	  gaiaGetPointXYZ (ring->Coords, iv, &x, &y, &z);
	  if (precision < 0)
	      buf_x = sqlite3_mprintf ("%1.6f", x);
	  else
	      buf_x = sqlite3_mprintf ("%.*f", precision, x);
	  gaiaOutClean (buf_x);
	  if (precision < 0)
	      buf_y = sqlite3_mprintf ("%1.6f", y);
	  else
	      buf_y = sqlite3_mprintf ("%.*f", precision, y);
	  gaiaOutClean (buf_y);
	  if (precision < 0)
	      buf_z = sqlite3_mprintf ("%1.6f", z);
	  else
	      buf_z = sqlite3_mprintf ("%.*f", precision, z);
	  gaiaOutClean (buf_z);
	  if (iv == 0)
	      buf = sqlite3_mprintf ("(%s %s %s", buf_x, buf_y, buf_z);
	  else if (iv == (ring->Points - 1))
	      buf = sqlite3_mprintf (", %s %s %s)", buf_x, buf_y, buf_z);
	  else
	      buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_z);
................................................................................
      }
    for (ib = 0; ib < polyg->NumInteriors; ib++)
      {
	  ring = polyg->Interiors + ib;
	  for (iv = 0; iv < ring->Points; iv++)
	    {
		gaiaGetPointXYZ (ring->Coords, iv, &x, &y, &z);
		if (precision < 0)
		    buf_x = sqlite3_mprintf ("%1.6f", x);
		else
		    buf_x = sqlite3_mprintf ("%.*f", precision, x);
		gaiaOutClean (buf_x);
		if (precision < 0)
		    buf_y = sqlite3_mprintf ("%1.6f", y);
		else
		    buf_y = sqlite3_mprintf ("%.*f", precision, y);
		gaiaOutClean (buf_y);
		if (precision < 0)
		    buf_z = sqlite3_mprintf ("%1.6f", z);
		else
		    buf_z = sqlite3_mprintf ("%.*f", precision, z);
		gaiaOutClean (buf_z);
		if (iv == 0)
		    buf = sqlite3_mprintf (", (%s %s %s", buf_x, buf_y, buf_z);
		else if (iv == (ring->Points - 1))
		    buf = sqlite3_mprintf (", %s %s %s)", buf_x, buf_y, buf_z);
		else
		    buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_z);
................................................................................
		sqlite3_free (buf_z);
		gaiaAppendToOutBuffer (out_buf, buf);
		sqlite3_free (buf);
	    }
      }
}

GAIAGEO_DECLARE void
gaiaOutPolygonZ (gaiaOutBufferPtr out_buf, gaiaPolygonPtr polyg)
{
/* 
* formats a WKT POLYGONZ
* convenience method - default decimal precision
*/
    gaiaOutPolygonZex (out_buf, polyg, -1);
}

static void
gaiaOutPolygonM (gaiaOutBufferPtr out_buf, gaiaPolygonPtr polyg, int precision)
{
/* formats a WKT POLYGONM */
    char *buf_x;
    char *buf_y;
    char *buf_m;
    char *buf;
    int ib;
................................................................................
    double x;
    double y;
    double m;
    gaiaRingPtr ring = polyg->Exterior;
    for (iv = 0; iv < ring->Points; iv++)
      {
	  gaiaGetPointXYM (ring->Coords, iv, &x, &y, &m);
	  if (precision < 0)
	      buf_x = sqlite3_mprintf ("%1.6f", x);
	  else
	      buf_x = sqlite3_mprintf ("%.*f", precision, x);
	  gaiaOutClean (buf_x);
	  if (precision < 0)
	      buf_y = sqlite3_mprintf ("%1.6f", y);
	  else
	      buf_y = sqlite3_mprintf ("%.*f", precision, y);
	  gaiaOutClean (buf_y);
	  if (precision < 0)
	      buf_m = sqlite3_mprintf ("%1.6f", m);
	  else
	      buf_m = sqlite3_mprintf ("%.*f", precision, m);
	  gaiaOutClean (buf_m);
	  if (iv == 0)
	      buf = sqlite3_mprintf ("(%s %s %s", buf_x, buf_y, buf_m);
	  else if (iv == (ring->Points - 1))
	      buf = sqlite3_mprintf (", %s %s %s)", buf_x, buf_y, buf_m);
	  else
	      buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_m);
................................................................................
      }
    for (ib = 0; ib < polyg->NumInteriors; ib++)
      {
	  ring = polyg->Interiors + ib;
	  for (iv = 0; iv < ring->Points; iv++)
	    {
		gaiaGetPointXYM (ring->Coords, iv, &x, &y, &m);
		if (precision < 0)
		    buf_x = sqlite3_mprintf ("%1.6f", x);
		else
		    buf_x = sqlite3_mprintf ("%.*f", precision, x);
		gaiaOutClean (buf_x);
		if (precision < 0)
		    buf_y = sqlite3_mprintf ("%1.6f", y);
		else
		    buf_y = sqlite3_mprintf ("%.*f", precision, y);
		gaiaOutClean (buf_y);
		if (precision < 0)
		    buf_m = sqlite3_mprintf ("%1.6f", m);
		else
		    buf_m = sqlite3_mprintf ("%.*f", precision, m);
		gaiaOutClean (buf_m);
		if (iv == 0)
		    buf = sqlite3_mprintf (", (%s %s %s", buf_x, buf_y, buf_m);
		else if (iv == (ring->Points - 1))
		    buf = sqlite3_mprintf (", %s %s %s)", buf_x, buf_y, buf_m);
		else
		    buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_m);
................................................................................
		gaiaAppendToOutBuffer (out_buf, buf);
		sqlite3_free (buf);
	    }
      }
}

static void
gaiaOutPolygonZM (gaiaOutBufferPtr out_buf, gaiaPolygonPtr polyg, int precision)
{
/* formats a WKT POLYGONZM */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf_m;
    char *buf;
................................................................................
    double y;
    double z;
    double m;
    gaiaRingPtr ring = polyg->Exterior;
    for (iv = 0; iv < ring->Points; iv++)
      {
	  gaiaGetPointXYZM (ring->Coords, iv, &x, &y, &z, &m);
	  if (precision < 0)
	      buf_x = sqlite3_mprintf ("%1.6f", x);
	  else
	      buf_x = sqlite3_mprintf ("%.*f", precision, x);
	  gaiaOutClean (buf_x);
	  if (precision < 0)
	      buf_y = sqlite3_mprintf ("%1.6f", y);
	  else
	      buf_y = sqlite3_mprintf ("%.*f", precision, y);
	  gaiaOutClean (buf_y);
	  if (precision < 0)
	      buf_z = sqlite3_mprintf ("%1.6f", z);
	  else
	      buf_z = sqlite3_mprintf ("%.*f", precision, z);
	  gaiaOutClean (buf_z);
	  if (precision < 0)
	      buf_m = sqlite3_mprintf ("%1.6f", m);
	  else
	      buf_m = sqlite3_mprintf ("%.*f", precision, m);
	  gaiaOutClean (buf_m);
	  if (iv == 0)
	      buf =
		  sqlite3_mprintf ("(%s %s %s %s", buf_x, buf_y, buf_z, buf_m);
	  else if (iv == (ring->Points - 1))
	      buf =
		  sqlite3_mprintf (", %s %s %s %s)", buf_x, buf_y, buf_z,
................................................................................
      }
    for (ib = 0; ib < polyg->NumInteriors; ib++)
      {
	  ring = polyg->Interiors + ib;
	  for (iv = 0; iv < ring->Points; iv++)
	    {
		gaiaGetPointXYZM (ring->Coords, iv, &x, &y, &z, &m);
		if (precision < 0)
		    buf_x = sqlite3_mprintf ("%1.6f", x);
		else
		    buf_x = sqlite3_mprintf ("%.*f", precision, x);
		gaiaOutClean (buf_x);
		if (precision < 0)
		    buf_y = sqlite3_mprintf ("%1.6f", y);
		else
		    buf_y = sqlite3_mprintf ("%.*f", precision, y);
		gaiaOutClean (buf_y);
		if (precision < 0)
		    buf_z = sqlite3_mprintf ("%1.6f", z);
		else
		    buf_z = sqlite3_mprintf ("%.*f", precision, z);
		gaiaOutClean (buf_z);
		if (precision < 0)
		    buf_m = sqlite3_mprintf ("%1.6f", m);
		else
		    buf_m = sqlite3_mprintf ("%.*f", precision, m);
		gaiaOutClean (buf_m);
		if (iv == 0)
		    buf =
			sqlite3_mprintf (", (%s %s %s %s", buf_x, buf_y, buf_z,
					 buf_m);
		else if (iv == (ring->Points - 1))
		    buf =
................................................................................
		gaiaAppendToOutBuffer (out_buf, buf);
		sqlite3_free (buf);
	    }
      }
}

GAIAGEO_DECLARE void
gaiaOutWktEx (gaiaOutBufferPtr out_buf, gaiaGeomCollPtr geom, int precision)
{
/* prints the WKT representation of current geometry */
    int pts = 0;
    int lns = 0;
    int pgs = 0;
    gaiaPointPtr point;
    gaiaLinestringPtr line;
................................................................................
	  point = geom->FirstPoint;
	  while (point)
	    {
		if (point->DimensionModel == GAIA_XY_Z)
		  {
		      /* processing POINTZ */
		      gaiaAppendToOutBuffer (out_buf, "POINT Z(");
		      gaiaOutPointZex (out_buf, point, precision);
		  }
		else if (point->DimensionModel == GAIA_XY_M)
		  {
		      /* processing POINTM */
		      gaiaAppendToOutBuffer (out_buf, "POINT M(");
		      gaiaOutPointM (out_buf, point, precision);
		  }
		else if (point->DimensionModel == GAIA_XY_Z_M)
		  {
		      /* processing POINTZM */
		      gaiaAppendToOutBuffer (out_buf, "POINT ZM(");
		      gaiaOutPointZM (out_buf, point, precision);
		  }
		else
		  {
		      /* processing POINT */
		      gaiaAppendToOutBuffer (out_buf, "POINT(");
		      gaiaOutPoint (out_buf, point, precision);
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
		point = point->Next;
	    }
	  line = geom->FirstLinestring;
	  while (line)
	    {
		if (line->DimensionModel == GAIA_XY_Z)
		  {
		      /* processing LINESTRINGZ */
		      gaiaAppendToOutBuffer (out_buf, "LINESTRING Z(");
		      gaiaOutLinestringZex (out_buf, line, precision);
		  }
		else if (line->DimensionModel == GAIA_XY_M)
		  {
		      /* processing LINESTRINGM */
		      gaiaAppendToOutBuffer (out_buf, "LINESTRING M(");
		      gaiaOutLinestringM (out_buf, line, precision);
		  }
		else if (line->DimensionModel == GAIA_XY_Z_M)
		  {
		      /* processing LINESTRINGZM */
		      gaiaAppendToOutBuffer (out_buf, "LINESTRING ZM(");
		      gaiaOutLinestringZM (out_buf, line, precision);
		  }
		else
		  {
		      /* processing LINESTRING */
		      gaiaAppendToOutBuffer (out_buf, "LINESTRING(");
		      gaiaOutLinestring (out_buf, line, precision);
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
		line = line->Next;
	    }
	  polyg = geom->FirstPolygon;
	  while (polyg)
	    {
		if (polyg->DimensionModel == GAIA_XY_Z)
		  {
		      /* processing POLYGONZ */
		      gaiaAppendToOutBuffer (out_buf, "POLYGON Z(");
		      gaiaOutPolygonZex (out_buf, polyg, precision);
		  }
		else if (polyg->DimensionModel == GAIA_XY_M)
		  {
		      /* processing POLYGONM */
		      gaiaAppendToOutBuffer (out_buf, "POLYGON M(");
		      gaiaOutPolygonM (out_buf, polyg, precision);
		  }
		else if (polyg->DimensionModel == GAIA_XY_Z_M)
		  {
		      /* processing POLYGONZM */
		      gaiaAppendToOutBuffer (out_buf, "POLYGON ZM(");
		      gaiaOutPolygonZM (out_buf, polyg, precision);
		  }
		else
		  {
		      /* processing POLYGON */
		      gaiaAppendToOutBuffer (out_buf, "POLYGON(");
		      gaiaOutPolygon (out_buf, polyg, precision);
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
		polyg = polyg->Next;
	    }
      }
    else
      {
................................................................................
		point = geom->FirstPoint;
		while (point)
		  {
		      if (point->DimensionModel == GAIA_XY_Z)
			{
			    if (point != geom->FirstPoint)
				gaiaAppendToOutBuffer (out_buf, ", ");
			    gaiaOutPointZex (out_buf, point, precision);
			}
		      else if (point->DimensionModel == GAIA_XY_M)
			{
			    if (point != geom->FirstPoint)
				gaiaAppendToOutBuffer (out_buf, ", ");
			    gaiaOutPointM (out_buf, point, precision);
			}
		      else if (point->DimensionModel == GAIA_XY_Z_M)
			{
			    if (point != geom->FirstPoint)
				gaiaAppendToOutBuffer (out_buf, ", ");
			    gaiaOutPointZM (out_buf, point, precision);
			}
		      else
			{
			    if (point != geom->FirstPoint)
				gaiaAppendToOutBuffer (out_buf, ", ");
			    gaiaOutPoint (out_buf, point, precision);
			}
		      point = point->Next;
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
	    }
	  else if (pts == 0 && lns > 0 && pgs == 0
		   && geom->DeclaredType == GAIA_MULTILINESTRING)
................................................................................
		  {
		      if (line != geom->FirstLinestring)
			  gaiaAppendToOutBuffer (out_buf, ", (");
		      else
			  gaiaAppendToOutBuffer (out_buf, "(");
		      if (line->DimensionModel == GAIA_XY_Z)
			{
			    gaiaOutLinestringZex (out_buf, line, precision);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else if (line->DimensionModel == GAIA_XY_M)
			{
			    gaiaOutLinestringM (out_buf, line, precision);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else if (line->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaOutLinestringZM (out_buf, line, precision);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else
			{
			    gaiaOutLinestring (out_buf, line, precision);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      line = line->Next;
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
	    }
	  else if (pts == 0 && lns == 0 && pgs > 0
................................................................................
		  {
		      if (polyg != geom->FirstPolygon)
			  gaiaAppendToOutBuffer (out_buf, ", (");
		      else
			  gaiaAppendToOutBuffer (out_buf, "(");
		      if (polyg->DimensionModel == GAIA_XY_Z)
			{
			    gaiaOutPolygonZex (out_buf, polyg, precision);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else if (polyg->DimensionModel == GAIA_XY_M)
			{
			    gaiaOutPolygonM (out_buf, polyg, precision);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else if (polyg->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaOutPolygonZM (out_buf, polyg, precision);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else
			{
			    gaiaOutPolygon (out_buf, polyg, precision);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      polyg = polyg->Next;
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
	    }
	  else
................................................................................
		      /* processing POINTs */
		      if (ie > 0)
			  gaiaAppendToOutBuffer (out_buf, ", ");
		      ie++;
		      if (point->DimensionModel == GAIA_XY_Z)
			{
			    gaiaAppendToOutBuffer (out_buf, "POINT Z(");
			    gaiaOutPointZex (out_buf, point, precision);
			}
		      else if (point->DimensionModel == GAIA_XY_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "POINT M(");
			    gaiaOutPointM (out_buf, point, precision);
			}
		      else if (point->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "POINT ZM(");
			    gaiaOutPointZM (out_buf, point, precision);
			}
		      else
			{
			    gaiaAppendToOutBuffer (out_buf, "POINT(");
			    gaiaOutPoint (out_buf, point, precision);
			}
		      gaiaAppendToOutBuffer (out_buf, ")");
		      point = point->Next;
		  }
		line = geom->FirstLinestring;
		while (line)
		  {
................................................................................
		      /* processing LINESTRINGs */
		      if (ie > 0)
			  gaiaAppendToOutBuffer (out_buf, ", ");
		      ie++;
		      if (line->DimensionModel == GAIA_XY_Z)
			{
			    gaiaAppendToOutBuffer (out_buf, "LINESTRING Z(");
			    gaiaOutLinestringZex (out_buf, line, precision);
			}
		      else if (line->DimensionModel == GAIA_XY_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "LINESTRING M(");
			    gaiaOutLinestringM (out_buf, line, precision);
			}
		      else if (line->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "LINESTRING ZM(");
			    gaiaOutLinestringZM (out_buf, line, precision);
			}
		      else
			{
			    gaiaAppendToOutBuffer (out_buf, "LINESTRING(");
			    gaiaOutLinestring (out_buf, line, precision);
			}
		      gaiaAppendToOutBuffer (out_buf, ")");
		      line = line->Next;
		  }
		polyg = geom->FirstPolygon;
		while (polyg)
		  {
................................................................................
		      /* processing POLYGONs */
		      if (ie > 0)
			  gaiaAppendToOutBuffer (out_buf, ", ");
		      ie++;
		      if (polyg->DimensionModel == GAIA_XY_Z)
			{
			    gaiaAppendToOutBuffer (out_buf, "POLYGON Z(");
			    gaiaOutPolygonZex (out_buf, polyg, precision);
			}
		      else if (polyg->DimensionModel == GAIA_XY_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "POLYGON M(");
			    gaiaOutPolygonM (out_buf, polyg, precision);
			}
		      else if (polyg->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "POLYGON ZM(");
			    gaiaOutPolygonZM (out_buf, polyg, precision);
			}
		      else
			{
			    gaiaAppendToOutBuffer (out_buf, "POLYGON(");
			    gaiaOutPolygon (out_buf, polyg, precision);
			}
		      gaiaAppendToOutBuffer (out_buf, ")");
		      polyg = polyg->Next;
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
	    }
      }
}

GAIAGEO_DECLARE void
gaiaOutWkt (gaiaOutBufferPtr out_buf, gaiaGeomCollPtr geom)
{
/* 
* prints the WKT representation of current geometry 
* convenience method - default decimal precision
*/
    gaiaOutWktEx (out_buf, geom, -1);
}

GAIAGEO_DECLARE void
gaiaOutWktStrict (gaiaOutBufferPtr out_buf, gaiaGeomCollPtr geom, int precision)
{
/* 
 * prints the WKT representation of current geometry 
 * strictly conformant 2D WKT implementation
*/

    sqlite3_free (buf_x);
    sqlite3_free (buf_y);
    gaiaAppendToOutBuffer (out_buf, buf);
    sqlite3_free (buf);
}

static void
gaiaOutPoint (gaiaOutBufferPtr out_buf, gaiaPointPtr point)
{
/* formats a WKT POINT */
    char *buf_x;
    char *buf_y;
    char *buf;

    buf_x = sqlite3_mprintf ("%1.6f", point->X);


    gaiaOutClean (buf_x);

    buf_y = sqlite3_mprintf ("%1.6f", point->Y);


    gaiaOutClean (buf_y);
    buf = sqlite3_mprintf ("%s %s", buf_x, buf_y);
    sqlite3_free (buf_x);
    sqlite3_free (buf_y);
    gaiaAppendToOutBuffer (out_buf, buf);
    sqlite3_free (buf);
}

GAIAGEO_DECLARE void
gaiaOutPointZ (gaiaOutBufferPtr out_buf, gaiaPointPtr point)
{
/* formats a WKT POINTZ */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf;

    buf_x = sqlite3_mprintf ("%1.6f", point->X);


    gaiaOutClean (buf_x);

    buf_y = sqlite3_mprintf ("%1.6f", point->Y);


    gaiaOutClean (buf_y);

    buf_z = sqlite3_mprintf ("%1.6f", point->Z);


    gaiaOutClean (buf_z);
    buf = sqlite3_mprintf ("%s %s %s", buf_x, buf_y, buf_z);
    sqlite3_free (buf_x);
    sqlite3_free (buf_y);
    sqlite3_free (buf_z);
    gaiaAppendToOutBuffer (out_buf, buf);
    sqlite3_free (buf);
}











static void
gaiaOutPointM (gaiaOutBufferPtr out_buf, gaiaPointPtr point)
{
/* formats a WKT POINTM */
    char *buf_x;
    char *buf_y;
    char *buf_m;
    char *buf;

    buf_x = sqlite3_mprintf ("%1.6f", point->X);


    gaiaOutClean (buf_x);

    buf_y = sqlite3_mprintf ("%1.6f", point->Y);


    gaiaOutClean (buf_y);

    buf_m = sqlite3_mprintf ("%1.6f", point->M);


    gaiaOutClean (buf_m);
    buf = sqlite3_mprintf ("%s %s %s", buf_x, buf_y, buf_m);
    sqlite3_free (buf_x);
    sqlite3_free (buf_y);
    sqlite3_free (buf_m);
    gaiaAppendToOutBuffer (out_buf, buf);
    sqlite3_free (buf);
}

static void
gaiaOutPointZM (gaiaOutBufferPtr out_buf, gaiaPointPtr point)
{
/* formats a WKT POINTZM */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf_m;
    char *buf;

    buf_x = sqlite3_mprintf ("%1.6f", point->X);


    gaiaOutClean (buf_x);

    buf_y = sqlite3_mprintf ("%1.6f", point->Y);


    gaiaOutClean (buf_y);

    buf_z = sqlite3_mprintf ("%1.6f", point->Z);


    gaiaOutClean (buf_z);

    buf_m = sqlite3_mprintf ("%1.6f", point->M);


    gaiaOutClean (buf_m);
    buf = sqlite3_mprintf ("%s %s %s %s", buf_x, buf_y, buf_z, buf_m);
    sqlite3_free (buf_x);
    sqlite3_free (buf_y);
    sqlite3_free (buf_z);
    sqlite3_free (buf_m);
    gaiaAppendToOutBuffer (out_buf, buf);
................................................................................
	  sqlite3_free (buf_y);
	  gaiaAppendToOutBuffer (out_buf, buf);
	  sqlite3_free (buf);
      }
}

static void
gaiaOutLinestring (gaiaOutBufferPtr out_buf, gaiaLinestringPtr line)

{
/* formats a WKT LINESTRING */
    char *buf_x;
    char *buf_y;
    char *buf;
    double x;
    double y;
    int iv;
    for (iv = 0; iv < line->Points; iv++)
      {
	  gaiaGetPoint (line->Coords, iv, &x, &y);

	  buf_x = sqlite3_mprintf ("%1.6f", x);


	  gaiaOutClean (buf_x);

	  buf_y = sqlite3_mprintf ("%1.6f", y);


	  gaiaOutClean (buf_y);
	  if (iv > 0)
	      buf = sqlite3_mprintf (", %s %s", buf_x, buf_y);
	  else
	      buf = sqlite3_mprintf ("%s %s", buf_x, buf_y);
	  sqlite3_free (buf_x);
	  sqlite3_free (buf_y);
	  gaiaAppendToOutBuffer (out_buf, buf);
	  sqlite3_free (buf);
      }
}

GAIAGEO_DECLARE void
gaiaOutLinestringZ (gaiaOutBufferPtr out_buf, gaiaLinestringPtr line)

{
/* formats a WKT LINESTRINGZ */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf;
    double x;
    double y;
    double z;
    int iv;
    for (iv = 0; iv < line->Points; iv++)
      {
	  gaiaGetPointXYZ (line->Coords, iv, &x, &y, &z);

	  buf_x = sqlite3_mprintf ("%1.6f", x);


	  gaiaOutClean (buf_x);

	  buf_y = sqlite3_mprintf ("%1.6f", y);


	  gaiaOutClean (buf_y);

	  buf_z = sqlite3_mprintf ("%1.6f", z);


	  gaiaOutClean (buf_z);
	  if (iv > 0)
	      buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_z);
	  else
	      buf = sqlite3_mprintf ("%s %s %s", buf_x, buf_y, buf_z);
	  sqlite3_free (buf_x);
	  sqlite3_free (buf_y);
	  sqlite3_free (buf_z);
	  gaiaAppendToOutBuffer (out_buf, buf);
	  sqlite3_free (buf);
      }
}











static void
gaiaOutLinestringM (gaiaOutBufferPtr out_buf, gaiaLinestringPtr line)

{
/* formats a WKT LINESTRINGM */
    char *buf_x;
    char *buf_y;
    char *buf_m;
    char *buf;
    double x;
    double y;
    double m;
    int iv;
    for (iv = 0; iv < line->Points; iv++)
      {
	  gaiaGetPointXYM (line->Coords, iv, &x, &y, &m);

	  buf_x = sqlite3_mprintf ("%1.6f", x);


	  gaiaOutClean (buf_x);

	  buf_y = sqlite3_mprintf ("%1.6f", y);


	  gaiaOutClean (buf_y);

	  buf_m = sqlite3_mprintf ("%1.6f", m);


	  gaiaOutClean (buf_m);
	  if (iv > 0)
	      buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_m);
	  else
	      buf = sqlite3_mprintf ("%s %s %s", buf_x, buf_y, buf_m);
	  sqlite3_free (buf_x);
	  sqlite3_free (buf_y);
................................................................................
	  sqlite3_free (buf_m);
	  gaiaAppendToOutBuffer (out_buf, buf);
	  sqlite3_free (buf);
      }
}

static void
gaiaOutLinestringZM (gaiaOutBufferPtr out_buf, gaiaLinestringPtr line)

{
/* formats a WKT LINESTRINGZM */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf_m;
    char *buf;
................................................................................
    double y;
    double z;
    double m;
    int iv;
    for (iv = 0; iv < line->Points; iv++)
      {
	  gaiaGetPointXYZM (line->Coords, iv, &x, &y, &z, &m);

	  buf_x = sqlite3_mprintf ("%1.6f", x);


	  gaiaOutClean (buf_x);

	  buf_y = sqlite3_mprintf ("%1.6f", y);


	  gaiaOutClean (buf_y);

	  buf_z = sqlite3_mprintf ("%1.6f", z);


	  gaiaOutClean (buf_z);

	  buf_m = sqlite3_mprintf ("%1.6f", m);


	  gaiaOutClean (buf_m);
	  if (iv > 0)
	      buf =
		  sqlite3_mprintf (", %s %s %s %s", buf_x, buf_y, buf_z, buf_m);
	  else
	      buf = sqlite3_mprintf ("%s %s %s %s", buf_x, buf_y, buf_z, buf_m);
	  sqlite3_free (buf_x);
................................................................................
		gaiaAppendToOutBuffer (out_buf, buf);
		sqlite3_free (buf);
	    }
      }
}

static void
gaiaOutPolygon (gaiaOutBufferPtr out_buf, gaiaPolygonPtr polyg)
{
/* formats a WKT POLYGON */
    char *buf_x;
    char *buf_y;
    char *buf;
    int ib;
    int iv;
    double x;
    double y;
    gaiaRingPtr ring = polyg->Exterior;
    for (iv = 0; iv < ring->Points; iv++)
      {
	  gaiaGetPoint (ring->Coords, iv, &x, &y);

	  buf_x = sqlite3_mprintf ("%1.6f", x);


	  gaiaOutClean (buf_x);

	  buf_y = sqlite3_mprintf ("%1.6f", y);


	  gaiaOutClean (buf_y);
	  if (iv == 0)
	      buf = sqlite3_mprintf ("(%s %s", buf_x, buf_y);
	  else if (iv == (ring->Points - 1))
	      buf = sqlite3_mprintf (", %s %s)", buf_x, buf_y);
	  else
	      buf = sqlite3_mprintf (", %s %s", buf_x, buf_y);
................................................................................
      }
    for (ib = 0; ib < polyg->NumInteriors; ib++)
      {
	  ring = polyg->Interiors + ib;
	  for (iv = 0; iv < ring->Points; iv++)
	    {
		gaiaGetPoint (ring->Coords, iv, &x, &y);

		buf_x = sqlite3_mprintf ("%1.6f", x);


		gaiaOutClean (buf_x);

		buf_y = sqlite3_mprintf ("%1.6f", y);


		gaiaOutClean (buf_y);
		if (iv == 0)
		    buf = sqlite3_mprintf (", (%s %s", buf_x, buf_y);
		else if (iv == (ring->Points - 1))
		    buf = sqlite3_mprintf (", %s %s)", buf_x, buf_y);
		else
		    buf = sqlite3_mprintf (", %s %s", buf_x, buf_y);
................................................................................
		gaiaAppendToOutBuffer (out_buf, buf);
		sqlite3_free (buf);
	    }
      }
}

GAIAGEO_DECLARE void
gaiaOutPolygonZ (gaiaOutBufferPtr out_buf, gaiaPolygonPtr polyg)

{
/* formats a WKT POLYGONZ */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf;
    int ib;
................................................................................
    double x;
    double y;
    double z;
    gaiaRingPtr ring = polyg->Exterior;
    for (iv = 0; iv < ring->Points; iv++)
      {
	  gaiaGetPointXYZ (ring->Coords, iv, &x, &y, &z);

	  buf_x = sqlite3_mprintf ("%1.6f", x);


	  gaiaOutClean (buf_x);

	  buf_y = sqlite3_mprintf ("%1.6f", y);


	  gaiaOutClean (buf_y);

	  buf_z = sqlite3_mprintf ("%1.6f", z);


	  gaiaOutClean (buf_z);
	  if (iv == 0)
	      buf = sqlite3_mprintf ("(%s %s %s", buf_x, buf_y, buf_z);
	  else if (iv == (ring->Points - 1))
	      buf = sqlite3_mprintf (", %s %s %s)", buf_x, buf_y, buf_z);
	  else
	      buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_z);
................................................................................
      }
    for (ib = 0; ib < polyg->NumInteriors; ib++)
      {
	  ring = polyg->Interiors + ib;
	  for (iv = 0; iv < ring->Points; iv++)
	    {
		gaiaGetPointXYZ (ring->Coords, iv, &x, &y, &z);

		buf_x = sqlite3_mprintf ("%1.6f", x);


		gaiaOutClean (buf_x);

		buf_y = sqlite3_mprintf ("%1.6f", y);


		gaiaOutClean (buf_y);

		buf_z = sqlite3_mprintf ("%1.6f", z);


		gaiaOutClean (buf_z);
		if (iv == 0)
		    buf = sqlite3_mprintf (", (%s %s %s", buf_x, buf_y, buf_z);
		else if (iv == (ring->Points - 1))
		    buf = sqlite3_mprintf (", %s %s %s)", buf_x, buf_y, buf_z);
		else
		    buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_z);
................................................................................
		sqlite3_free (buf_z);
		gaiaAppendToOutBuffer (out_buf, buf);
		sqlite3_free (buf);
	    }
      }
}











static void
gaiaOutPolygonM (gaiaOutBufferPtr out_buf, gaiaPolygonPtr polyg)
{
/* formats a WKT POLYGONM */
    char *buf_x;
    char *buf_y;
    char *buf_m;
    char *buf;
    int ib;
................................................................................
    double x;
    double y;
    double m;
    gaiaRingPtr ring = polyg->Exterior;
    for (iv = 0; iv < ring->Points; iv++)
      {
	  gaiaGetPointXYM (ring->Coords, iv, &x, &y, &m);

	  buf_x = sqlite3_mprintf ("%1.6f", x);


	  gaiaOutClean (buf_x);

	  buf_y = sqlite3_mprintf ("%1.6f", y);


	  gaiaOutClean (buf_y);

	  buf_m = sqlite3_mprintf ("%1.6f", m);


	  gaiaOutClean (buf_m);
	  if (iv == 0)
	      buf = sqlite3_mprintf ("(%s %s %s", buf_x, buf_y, buf_m);
	  else if (iv == (ring->Points - 1))
	      buf = sqlite3_mprintf (", %s %s %s)", buf_x, buf_y, buf_m);
	  else
	      buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_m);
................................................................................
      }
    for (ib = 0; ib < polyg->NumInteriors; ib++)
      {
	  ring = polyg->Interiors + ib;
	  for (iv = 0; iv < ring->Points; iv++)
	    {
		gaiaGetPointXYM (ring->Coords, iv, &x, &y, &m);

		buf_x = sqlite3_mprintf ("%1.6f", x);


		gaiaOutClean (buf_x);

		buf_y = sqlite3_mprintf ("%1.6f", y);


		gaiaOutClean (buf_y);

		buf_m = sqlite3_mprintf ("%1.6f", m);


		gaiaOutClean (buf_m);
		if (iv == 0)
		    buf = sqlite3_mprintf (", (%s %s %s", buf_x, buf_y, buf_m);
		else if (iv == (ring->Points - 1))
		    buf = sqlite3_mprintf (", %s %s %s)", buf_x, buf_y, buf_m);
		else
		    buf = sqlite3_mprintf (", %s %s %s", buf_x, buf_y, buf_m);
................................................................................
		gaiaAppendToOutBuffer (out_buf, buf);
		sqlite3_free (buf);
	    }
      }
}

static void
gaiaOutPolygonZM (gaiaOutBufferPtr out_buf, gaiaPolygonPtr polyg)
{
/* formats a WKT POLYGONZM */
    char *buf_x;
    char *buf_y;
    char *buf_z;
    char *buf_m;
    char *buf;
................................................................................
    double y;
    double z;
    double m;
    gaiaRingPtr ring = polyg->Exterior;
    for (iv = 0; iv < ring->Points; iv++)
      {
	  gaiaGetPointXYZM (ring->Coords, iv, &x, &y, &z, &m);

	  buf_x = sqlite3_mprintf ("%1.6f", x);


	  gaiaOutClean (buf_x);

	  buf_y = sqlite3_mprintf ("%1.6f", y);


	  gaiaOutClean (buf_y);

	  buf_z = sqlite3_mprintf ("%1.6f", z);


	  gaiaOutClean (buf_z);

	  buf_m = sqlite3_mprintf ("%1.6f", m);


	  gaiaOutClean (buf_m);
	  if (iv == 0)
	      buf =
		  sqlite3_mprintf ("(%s %s %s %s", buf_x, buf_y, buf_z, buf_m);
	  else if (iv == (ring->Points - 1))
	      buf =
		  sqlite3_mprintf (", %s %s %s %s)", buf_x, buf_y, buf_z,
................................................................................
      }
    for (ib = 0; ib < polyg->NumInteriors; ib++)
      {
	  ring = polyg->Interiors + ib;
	  for (iv = 0; iv < ring->Points; iv++)
	    {
		gaiaGetPointXYZM (ring->Coords, iv, &x, &y, &z, &m);

		buf_x = sqlite3_mprintf ("%1.6f", x);


		gaiaOutClean (buf_x);

		buf_y = sqlite3_mprintf ("%1.6f", y);


		gaiaOutClean (buf_y);

		buf_z = sqlite3_mprintf ("%1.6f", z);


		gaiaOutClean (buf_z);

		buf_m = sqlite3_mprintf ("%1.6f", m);


		gaiaOutClean (buf_m);
		if (iv == 0)
		    buf =
			sqlite3_mprintf (", (%s %s %s %s", buf_x, buf_y, buf_z,
					 buf_m);
		else if (iv == (ring->Points - 1))
		    buf =
................................................................................
		gaiaAppendToOutBuffer (out_buf, buf);
		sqlite3_free (buf);
	    }
      }
}

GAIAGEO_DECLARE void
gaiaOutWkt (gaiaOutBufferPtr out_buf, gaiaGeomCollPtr geom)
{
/* prints the WKT representation of current geometry */
    int pts = 0;
    int lns = 0;
    int pgs = 0;
    gaiaPointPtr point;
    gaiaLinestringPtr line;
................................................................................
	  point = geom->FirstPoint;
	  while (point)
	    {
		if (point->DimensionModel == GAIA_XY_Z)
		  {
		      /* processing POINTZ */
		      gaiaAppendToOutBuffer (out_buf, "POINT Z(");
		      gaiaOutPointZ (out_buf, point);
		  }
		else if (point->DimensionModel == GAIA_XY_M)
		  {
		      /* processing POINTM */
		      gaiaAppendToOutBuffer (out_buf, "POINT M(");
		      gaiaOutPointM (out_buf, point);
		  }
		else if (point->DimensionModel == GAIA_XY_Z_M)
		  {
		      /* processing POINTZM */
		      gaiaAppendToOutBuffer (out_buf, "POINT ZM(");
		      gaiaOutPointZM (out_buf, point);
		  }
		else
		  {
		      /* processing POINT */
		      gaiaAppendToOutBuffer (out_buf, "POINT(");
		      gaiaOutPoint (out_buf, point);
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
		point = point->Next;
	    }
	  line = geom->FirstLinestring;
	  while (line)
	    {
		if (line->DimensionModel == GAIA_XY_Z)
		  {
		      /* processing LINESTRINGZ */
		      gaiaAppendToOutBuffer (out_buf, "LINESTRING Z(");
		      gaiaOutLinestringZ (out_buf, line);
		  }
		else if (line->DimensionModel == GAIA_XY_M)
		  {
		      /* processing LINESTRINGM */
		      gaiaAppendToOutBuffer (out_buf, "LINESTRING M(");
		      gaiaOutLinestringM (out_buf, line);
		  }
		else if (line->DimensionModel == GAIA_XY_Z_M)
		  {
		      /* processing LINESTRINGZM */
		      gaiaAppendToOutBuffer (out_buf, "LINESTRING ZM(");
		      gaiaOutLinestringZM (out_buf, line);
		  }
		else
		  {
		      /* processing LINESTRING */
		      gaiaAppendToOutBuffer (out_buf, "LINESTRING(");
		      gaiaOutLinestring (out_buf, line);
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
		line = line->Next;
	    }
	  polyg = geom->FirstPolygon;
	  while (polyg)
	    {
		if (polyg->DimensionModel == GAIA_XY_Z)
		  {
		      /* processing POLYGONZ */
		      gaiaAppendToOutBuffer (out_buf, "POLYGON Z(");
		      gaiaOutPolygonZ (out_buf, polyg);
		  }
		else if (polyg->DimensionModel == GAIA_XY_M)
		  {
		      /* processing POLYGONM */
		      gaiaAppendToOutBuffer (out_buf, "POLYGON M(");
		      gaiaOutPolygonM (out_buf, polyg);
		  }
		else if (polyg->DimensionModel == GAIA_XY_Z_M)
		  {
		      /* processing POLYGONZM */
		      gaiaAppendToOutBuffer (out_buf, "POLYGON ZM(");
		      gaiaOutPolygonZM (out_buf, polyg);
		  }
		else
		  {
		      /* processing POLYGON */
		      gaiaAppendToOutBuffer (out_buf, "POLYGON(");
		      gaiaOutPolygon (out_buf, polyg);
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
		polyg = polyg->Next;
	    }
      }
    else
      {
................................................................................
		point = geom->FirstPoint;
		while (point)
		  {
		      if (point->DimensionModel == GAIA_XY_Z)
			{
			    if (point != geom->FirstPoint)
				gaiaAppendToOutBuffer (out_buf, ", ");
			    gaiaOutPointZ (out_buf, point);
			}
		      else if (point->DimensionModel == GAIA_XY_M)
			{
			    if (point != geom->FirstPoint)
				gaiaAppendToOutBuffer (out_buf, ", ");
			    gaiaOutPointM (out_buf, point);
			}
		      else if (point->DimensionModel == GAIA_XY_Z_M)
			{
			    if (point != geom->FirstPoint)
				gaiaAppendToOutBuffer (out_buf, ", ");
			    gaiaOutPointZM (out_buf, point);
			}
		      else
			{
			    if (point != geom->FirstPoint)
				gaiaAppendToOutBuffer (out_buf, ", ");
			    gaiaOutPoint (out_buf, point);
			}
		      point = point->Next;
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
	    }
	  else if (pts == 0 && lns > 0 && pgs == 0
		   && geom->DeclaredType == GAIA_MULTILINESTRING)
................................................................................
		  {
		      if (line != geom->FirstLinestring)
			  gaiaAppendToOutBuffer (out_buf, ", (");
		      else
			  gaiaAppendToOutBuffer (out_buf, "(");
		      if (line->DimensionModel == GAIA_XY_Z)
			{
			    gaiaOutLinestringZ (out_buf, line);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else if (line->DimensionModel == GAIA_XY_M)
			{
			    gaiaOutLinestringM (out_buf, line);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else if (line->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaOutLinestringZM (out_buf, line);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else
			{
			    gaiaOutLinestring (out_buf, line);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      line = line->Next;
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
	    }
	  else if (pts == 0 && lns == 0 && pgs > 0
................................................................................
		  {
		      if (polyg != geom->FirstPolygon)
			  gaiaAppendToOutBuffer (out_buf, ", (");
		      else
			  gaiaAppendToOutBuffer (out_buf, "(");
		      if (polyg->DimensionModel == GAIA_XY_Z)
			{
			    gaiaOutPolygonZ (out_buf, polyg);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else if (polyg->DimensionModel == GAIA_XY_M)
			{
			    gaiaOutPolygonM (out_buf, polyg);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else if (polyg->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaOutPolygonZM (out_buf, polyg);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      else
			{
			    gaiaOutPolygon (out_buf, polyg);
			    gaiaAppendToOutBuffer (out_buf, ")");
			}
		      polyg = polyg->Next;
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
	    }
	  else
................................................................................
		      /* processing POINTs */
		      if (ie > 0)
			  gaiaAppendToOutBuffer (out_buf, ", ");
		      ie++;
		      if (point->DimensionModel == GAIA_XY_Z)
			{
			    gaiaAppendToOutBuffer (out_buf, "POINT Z(");
			    gaiaOutPointZ (out_buf, point);
			}
		      else if (point->DimensionModel == GAIA_XY_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "POINT M(");
			    gaiaOutPointM (out_buf, point);
			}
		      else if (point->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "POINT ZM(");
			    gaiaOutPointZM (out_buf, point);
			}
		      else
			{
			    gaiaAppendToOutBuffer (out_buf, "POINT(");
			    gaiaOutPoint (out_buf, point);
			}
		      gaiaAppendToOutBuffer (out_buf, ")");
		      point = point->Next;
		  }
		line = geom->FirstLinestring;
		while (line)
		  {
................................................................................
		      /* processing LINESTRINGs */
		      if (ie > 0)
			  gaiaAppendToOutBuffer (out_buf, ", ");
		      ie++;
		      if (line->DimensionModel == GAIA_XY_Z)
			{
			    gaiaAppendToOutBuffer (out_buf, "LINESTRING Z(");
			    gaiaOutLinestringZ (out_buf, line);
			}
		      else if (line->DimensionModel == GAIA_XY_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "LINESTRING M(");
			    gaiaOutLinestringM (out_buf, line);
			}
		      else if (line->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "LINESTRING ZM(");
			    gaiaOutLinestringZM (out_buf, line);
			}
		      else
			{
			    gaiaAppendToOutBuffer (out_buf, "LINESTRING(");
			    gaiaOutLinestring (out_buf, line);
			}
		      gaiaAppendToOutBuffer (out_buf, ")");
		      line = line->Next;
		  }
		polyg = geom->FirstPolygon;
		while (polyg)
		  {
................................................................................
		      /* processing POLYGONs */
		      if (ie > 0)
			  gaiaAppendToOutBuffer (out_buf, ", ");
		      ie++;
		      if (polyg->DimensionModel == GAIA_XY_Z)
			{
			    gaiaAppendToOutBuffer (out_buf, "POLYGON Z(");
			    gaiaOutPolygonZ (out_buf, polyg);
			}
		      else if (polyg->DimensionModel == GAIA_XY_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "POLYGON M(");
			    gaiaOutPolygonM (out_buf, polyg);
			}
		      else if (polyg->DimensionModel == GAIA_XY_Z_M)
			{
			    gaiaAppendToOutBuffer (out_buf, "POLYGON ZM(");
			    gaiaOutPolygonZM (out_buf, polyg);
			}
		      else
			{
			    gaiaAppendToOutBuffer (out_buf, "POLYGON(");
			    gaiaOutPolygon (out_buf, polyg);
			}
		      gaiaAppendToOutBuffer (out_buf, ")");
		      polyg = polyg->Next;
		  }
		gaiaAppendToOutBuffer (out_buf, ")");
	    }
      }
}











GAIAGEO_DECLARE void
gaiaOutWktStrict (gaiaOutBufferPtr out_buf, gaiaGeomCollPtr geom, int precision)
{
/* 
 * prints the WKT representation of current geometry 
 * strictly conformant 2D WKT implementation
*/

#endif

#ifdef __cplusplus
extern "C"
{
#endif

/**
 Typedef for GaiaControPoints object (opaque, hidden)

 \sa GaiaControlPointsPtr
 */
    typedef struct opaque_control_points GaiaControlPoints;
/**
 Typedef for GaiaControPointsPtr object pointer (opaque, hidden)

 \sa GaiaControlPoints
 */
    typedef GaiaControlPoints *GaiaControlPointsPtr;

/**
 Typedef for GaiaPolynomialCoeffs object (opaque, hidden)

 \sa GaiaPolynomialCoeffsPtr
 */
    typedef struct priv_polynomial_coeffs GaiaPolynomialCoeffs;
/**
 Typedef for GaiaPolynomialCoeffsPtr object pointer (opaque, hidden)

 \sa GaiaPolynomialCoeffs
 */
    typedef GaiaPolynomialCoeffs *GaiaPolynomialCoeffsPtr;


/* function prototypes */

/**
 Creates a Control Points container (opaque object)

 \param allocation_incr how many Control Points should be allocated
 every time that necessity arises to increment the internal storage
 \param has3d true if the Control Points are all expected to be 3D
 \param order polynomial order: 1 or 2 or 3
 \param tps true if the solution method must be Thin Plate Spline

 \return the handle of the container object, or NULL on failure

 \sa gaiaFreeControlPoints, gaiaAddControlPoint3D, gaiaAddControlPoint2D,
  gaiaAffineFromControlPoints

 \note you must properly destroy the container object when it 
 isn't any longer used.
 */
    GAIACP_DECLARE GaiaControlPointsPtr gaiaCreateControlPoints (int
								 allocation_incr,
								 int has3d,
								 int order,
								 int tps);

/**
 Destroys a Control Points container (opaque object)

 \param cp_handle the handle identifying the container object  
 (returned by a previous call to gaiaCreateControlPoints).
................................................................................
 \param x0 X coordinate of the first Point.
 \param y0 Y coordinate of the first Point.
 \param z0 Z coordinate of the first Point.
 \param x1 X coordinate of the second Point.
 \param y1 Y coordinate of the second Point.
 \param z1 Z coordinate of the second Point.
 
 \return 0 on failure: any other different value on success.

 \sa gaiaCreateControlPoints, gaiaAddControlPoint2D
 */
    GAIACP_DECLARE int gaiaAddControlPoint3D (GaiaControlPointsPtr cp_handle,
					      double x0, double y0, double z0,
					      double x1, double y1, double z1);

................................................................................
 \param cp_handle the handle identifying the container object  
 (returned by a previous call to gaiaCreateControlPoints).
 \param x0 X coordinate of the first Point.
 \param y0 Y coordinate of the first Point.
 \param x1 X coordinate of the second Point.
 \param y1 Y coordinate of the second Point.
 
 \return 0 on failure: any other different value on success.

 \sa gaiaCreateControlPoints, gaiaAddControlPoint3D
 */
    GAIACP_DECLARE int gaiaAddControlPoint2D (GaiaControlPointsPtr cp_handle,
					      double x0, double y0, double x1,
					      double y1);

/**
 Resolves a Control Point set by computing an Affine Transform Matrix

 \param cp_handle the handle identifying the container object  
 (returned by a previous call to gaiaCreateControlPoints).
 \param blob on completion this variable will contain a BLOB-encoded
  Polynomial coeffs object
 \param blob_sz on completion this variable will contain the BLOB's size
  (in bytes)

 \return 0 on failure: any other different value on success.


 \sa gaiaCreateControlPoints, gaiaPolynomialIsValid, gaiaPolynomialAsText,
  gaiaPolynomialTransformGeometry
 */
    GAIACP_DECLARE int gaiaCreatePolynomialCoeffs (GaiaControlPointsPtr

						   cp_handle,
						   unsigned char **blob,
						   int *blob_sz);

/**
 Testing a BLOB-Polynomial for validity
 \param blob pointer to a BLOB-encoded Polynomial coeffs object
 \param blob_sz BLOB's size (in bytes)

 \return TRUE if the BLOB really is of the BLOB-Polynomial type; FALSE if not.

 \sa gaiaCreatePolynomialCoeffs, gaiaPolynomialAsText
 */
    GAIACP_DECLARE int gaiaPolynomialIsValid (const unsigned char *blob,
					      int blob_sz);

/**
 Printing a textual represention from a BLOB-Matrix
 \param blob pointer to a BLOB-encoded Polynomial coeffs object
 \param blob_sz BLOB's size (in bytes)

 \return a text string; NULL on failure.

 \sa gaiaCreateControlPoints, gaiaPolynomialIsValid, 
 gaiaPolynomialTransformGeometry
  
 \note you are responsible to destroy (before or after) any text
  string returned by this function by calling sqlite3_free().
 */
    GAIACP_DECLARE char *gaiaPolynomialAsText (const unsigned char *blob,
					       int blob_sz);

/**
 Transforming a Geometry accordingly to an Affine Transform Matrix
 \param geom the input Geometry
 \param blob pointer to a BLOB-encoded Polynomial coeffs object 
 \param blob_sz BLOB's size (in bytes)

 \return 0 pointer to the transformed Geometry or NULL on failure.

 \sa gaiaCreateControlPoints, gaiaPolynomialIsValid, 
 gaiaPolynomialAsText

 \note you are responsible to destroy (before or after) any Geometry
  returned by this function.
 */
    GAIACP_DECLARE gaiaGeomCollPtr
	gaiaPolynomialTransformGeometry (gaiaGeomCollPtr geom,
					 const unsigned char *blob,
					 int blob_sz);

/**
 Converts a Polynomial coeffs object into an Affine Transsform Matrix

 \param iblob pointer to a BLOB-encoded Polynomial coeffs object 
 \param iblob_sz BLOB's size (in bytes)
 \param oblob on completion this variable will contain a BLOB-encoded
  Affine Transform Matrix object
 \param oblob_sz on completion this variable will contain the BLOB's size
  (in bytes)

 \return 0 on failure: any other different value on success.

 \sa gaiaCreateControlPoints, gaiaPolynomialIsValid, gaiaPolynomialAsText,
  gaiaPolynomialTransformGeometry, gaiaPolynomialToMatrix
 */
    GAIACP_DECLARE int gaiaPolynomialToMatrix (const unsigned char *iblob,
					       int iblob_sz,
					       unsigned char **oblob,
					       int *oblob_sz);

#ifdef __cplusplus
}
#endif

#endif				/* _GAIACP_H */

#endif

#ifdef __cplusplus
extern "C"
{
#endif






    typedef struct opaque_control_points GaiaControlPoints;





    typedef GaiaControlPoints *GaiaControlPointsPtr;















/* function prototypes */

/**
 Creates a Control Points container (opaque object)

 \param allocation_incr how many Control Points should be allocated
 every time that necessity arises to increment the internal storage
 \param has3d true if the Control Points are all expected to be 3D

 \param tps true if the solution method must be Thin Plate Spline

 \return the handle of the container object, or NULL on failure

 \sa gaiaFreeControlPoints, gaiaAddControlPoint3D, gaiaAddControlPoint2D,
  gaiaAffineFromControlPoints

 \note you must properly destroy the container object when it 
 isn't any longer used.
 */
    GAIACP_DECLARE GaiaControlPointsPtr gaiaCreateControlPoints (int
								 allocation_incr,
								 int has3d,

								 int tps);

/**
 Destroys a Control Points container (opaque object)

 \param cp_handle the handle identifying the container object  
 (returned by a previous call to gaiaCreateControlPoints).
................................................................................
 \param x0 X coordinate of the first Point.
 \param y0 Y coordinate of the first Point.
 \param z0 Z coordinate of the first Point.
 \param x1 X coordinate of the second Point.
 \param y1 Y coordinate of the second Point.
 \param z1 Z coordinate of the second Point.
 
 \return true on succes, false on failure

 \sa gaiaCreateControlPoints, gaiaAddControlPoint2D
 */
    GAIACP_DECLARE int gaiaAddControlPoint3D (GaiaControlPointsPtr cp_handle,
					      double x0, double y0, double z0,
					      double x1, double y1, double z1);

................................................................................
 \param cp_handle the handle identifying the container object  
 (returned by a previous call to gaiaCreateControlPoints).
 \param x0 X coordinate of the first Point.
 \param y0 Y coordinate of the first Point.
 \param x1 X coordinate of the second Point.
 \param y1 Y coordinate of the second Point.
 
 \return true on succes, false on failure

 \sa gaiaCreateControlPoints, gaiaAddControlPoint3D
 */
    GAIACP_DECLARE int gaiaAddControlPoint2D (GaiaControlPointsPtr cp_handle,
					      double x0, double y0, double x1,
					      double y1);

/**
 Resolves a Control Point set by computing an Affine Transform Matrix

 \param cp_handle the handle identifying the container object  
 (returned by a previous call to gaiaCreateControlPoints).




 

 \return true on succes, false on failure

 \sa gaiaCreateControlPoints

 */

    GAIACP_DECLARE int gaiaAffineFromControlPoints (GaiaControlPointsPtr
						    cp_handle);






































































#ifdef __cplusplus
}
#endif

#endif				/* _GAIACP_H */

  affine transform Matrix
 \param blob_sz on completion this variable will contain the BLOB's size
  (in bytes)

 \return 0 on failure: any other different value on success.

 \sa gaia_matrix_create, gaia_matrix_is_valid, gaia_matrix_as_text, 
  gaia_matrix_create_multiply, gaia_matrix_transform_geometry,
  gaia_matrix_invert

 \note you are responsible to destroy (before or after) any BLOB
  returned by this function.
 */
    GAIAMATRIX_DECLARE int gaia_matrix_multiply (const unsigned char *iblob1,
						 int iblob1_sz,
						 const unsigned char *iblob2,
................................................................................
 */
    GAIAMATRIX_DECLARE char *gaia_matrix_as_text (const unsigned char *blob,
						  int blob_sz);

/**
 Transforming a Geometry accordingly to an Affine Transform Matrix
 \param geom the input Geometry
 \param blob pointer to a BLOB-encoded Matrix 
 \param blob_sz BLOB's size (in bytes)

 \return pointer to the transformed Geometry or NULL on failure.

 \sa gaia_matrix_create, gaia_matrix_is_valid, gaia_matrix_as_text, 
  gaia_matrix_multiply, gaia_matrix_create_multiply

 \note you are responsible to destroy (before or after) any Geometry
  returned by this function.
 */
    GAIAMATRIX_DECLARE gaiaGeomCollPtr
	gaia_matrix_transform_geometry (gaiaGeomCollPtr geom,
					const unsigned char *blob, int blob_sz);

/**
 Computing the Determinant from an Affine Transform Matrix
 \param blob pointer to a BLOB-encoded Matrix 
 \param blob_sz BLOB's size (in bytes)

 \return the Determinant of the Matix; 0.0 on invalid args.

 \sa gaia_matrix_create, gaia_matrix_is_valid, gaia_matrix_invert
 \note you are responsible to destroy (before or after) any Geometry
  returned by this function.
 */
    GAIAMATRIX_DECLARE double
	gaia_matrix_determinant (const unsigned char *blob, int blob_sz);

/**
 Creating a BLOB-Matrix by applying a further trasformation to a previous BLOB-Matrix
 \param iblob pointer to a BLOB-encoded Matrix
 \param iblob_sz BLOB's size (in bytes)
 \param blob on completion this variable will contain a BLOB-encoded
  affine transform Matrix (Inverse)
 \param blob_sz on completion this variable will contain the BLOB's size
  (in bytes)

 \return 0 on failure: any other different value on success.
 Note that not all Matrices can be Inverted, only those having
 a valid Determinant.

 \sa gaia_matrix_create, gaia_matrix_is_valid, gaia_matrix_multiply, 
 gaia_matrix_determinant

 \note you are responsible to destroy (before or after) any BLOB
  returned by this function.
 */
    GAIAMATRIX_DECLARE int gaia_matrix_invert (const unsigned char
					       *iblob, int iblob_sz,
					       unsigned char **blob,
					       int *blob_sz);

#ifdef __cplusplus
}
#endif

#endif				/* _GAIAMATRIX_H */

  affine transform Matrix
 \param blob_sz on completion this variable will contain the BLOB's size
  (in bytes)

 \return 0 on failure: any other different value on success.

 \sa gaia_matrix_create, gaia_matrix_is_valid, gaia_matrix_as_text, 
  gaia_matrix_create_multiply, gaia_matrix_transform_geometry


 \note you are responsible to destroy (before or after) any BLOB
  returned by this function.
 */
    GAIAMATRIX_DECLARE int gaia_matrix_multiply (const unsigned char *iblob1,
						 int iblob1_sz,
						 const unsigned char *iblob2,
................................................................................
 */
    GAIAMATRIX_DECLARE char *gaia_matrix_as_text (const unsigned char *blob,
						  int blob_sz);

/**
 Transforming a Geometry accordingly to an Affine Transform Matrix
 \param geom the input Geometry
 \param iblob pointer to a BLOB-encoded Matrix 
 \param iblob_sz BLOB's size (in bytes)

 \return 0 pointer to the transformed Geometry or NULL on failure.

 \sa gaia_matrix_create, gaia_matrix_is_valid, gaia_matrix_as_text, 
  gaia_matrix_multiply, gaia_matrix_create_multiply

 \note you are responsible to destroy (before or after) any Geometry
  returned by this function.
 */
    GAIAMATRIX_DECLARE gaiaGeomCollPtr
	gaia_matrix_transform_geometry (gaiaGeomCollPtr geom,
					const unsigned char *blob, int blob_sz);







































#ifdef __cplusplus
}
#endif

#endif				/* _GAIAMATRIX_H */

 Creates a Geometry object from the corresponding BLOB-Geometry 

 \param blob pointer to BLOB-Geometry
 \param size the BLOB's size

 \return the pointer to the newly created Geometry object: NULL on failure

 \sa gaiaFreeGeomColl, gaiaToSpatiaLiteBlobWkb, gaiaToCompressedBlobWkb,
 gaiaFromSpatiaLiteBlobWkbEx

 \note you are responsible to destroy (before or after) any allocated Geometry,
 unless you've passed ownership of the Geometry object to some further object:
 in this case destroying the higher order object will implicitly destroy any 
 contained child object. 
 */
    GAIAGEO_DECLARE gaiaGeomCollPtr gaiaFromSpatiaLiteBlobWkb (const unsigned
							       char *blob,
							       unsigned int
							       size);

/**
 Creates a Geometry object from the corresponding BLOB-Geometry 

 \param blob pointer to BLOB-Geometry
 \param size the BLOB's size
 \param gpkg_amphibious is set to TRUE will indifferenctly accept
  either SpatiaLite Geometry-BLOBs or GPKG Geometry-BLOBs

 \return the pointer to the newly created Geometry object: NULL on failure

 \sa gaiaFreeGeomColl, gaiaToSpatiaLiteBlobWkb, gaiaToCompressedBlobWkb

 \note you are responsible to destroy (before or after) any allocated Geometry,
 unless you've passed ownership of the Geometry object to some further object:
 in this case destroying the higher order object will implicitly destroy any 
 contained child object. 
 */
    GAIAGEO_DECLARE gaiaGeomCollPtr gaiaFromSpatiaLiteBlobWkbEx (const unsigned
								 char *blob,
								 unsigned int
								 size,
								 int
								 gpkg_amphibious);

/**
 Creates a BLOB-Geometry corresponding to a Geometry object

 \param geom pointer to the Geometry object.
 \param result on completion will containt a pointer to BLOB-Geometry:
 NULL on failure.
 \param size on completion this variable will contain the BLOB's size (in bytes)
................................................................................

/**
 Encodes a Geometry object into WKT notation

 \param out_buf pointer to dynamically growing Text buffer
 \param geom pointer to Geometry object

 \sa gaiaParseWkt, gaiaOutWktStrict, gaiaParseEWKT, gaiaToEWKT,
 gaiaOutWktEx

 \note this function will apply 3D WKT encoding as internally intended by
 SpatiaLite: not necessarily intended by other OGC-like implementations.
 \n Anyway, 2D WKT is surely standard and safely interoperable.
 */
    GAIAGEO_DECLARE void gaiaOutWkt (gaiaOutBufferPtr out_buf,
				     gaiaGeomCollPtr geom);

/**
 Encodes a Geometry object into WKT notation

 \param out_buf pointer to dynamically growing Text buffer
 \param geom pointer to Geometry object
 \param precision decimal digits to be used for coordinates

 \sa gaiaParseWkt, gaiaOutWktStrict, gaiaParseEWKT, gaiaToEWKT

 \note this function will apply 3D WKT encoding as internally intended by
 SpatiaLite: not necessarily intended by other OGC-like implementations.
 \n Anyway, 2D WKT is surely standard and safely interoperable.
 */
    GAIAGEO_DECLARE void gaiaOutWktEx (gaiaOutBufferPtr out_buf,
				       gaiaGeomCollPtr geom, int precision);

/**
 Encodes a Geometry object into strict 2D WKT notation

 \param out_buf pointer to dynamically growing Text buffer
 \param geom pointer to Geometry object
 \param precision decimal digits to be used for coordinates

................................................................................

/**
 Encodes a WKT 3D Point [XYZ]

 \param out_buf pointer to dynamically growing Text buffer
 \param point pointer to Point object

 \sa gaiaOutLinestringZ, gaiaOutPolygonZ, gaiaOutPointZex
 
 \remark mainly intended for internal usage.
 */
    GAIAGEO_DECLARE void gaiaOutPointZ (gaiaOutBufferPtr out_buf,
					gaiaPointPtr point);

/**
 Encodes a WKT 3D Point [XYZ]

 \param out_buf pointer to dynamically growing Text buffer
 \param point pointer to Point object
 \param precision decimal digits to be used for coordinates

 \sa gaiaOutLinestringZ, gaiaOutPolygonZ
 
 \remark mainly intended for internal usage.
 */
    GAIAGEO_DECLARE void gaiaOutPointZex (gaiaOutBufferPtr out_buf,
					  gaiaPointPtr point, int precision);

/**
 Encodes a WKT 3D Linestring [XYZ]

 \param out_buf pointer to dynamically growing Text buffer
 \param linestring pointer to Linestring object

 \sa gaiaOutPointZ, gaiaOutPolygonZ, gaiaOutLinestringZex
 
 \remark mainly intended for internal usage.
 */
    GAIAGEO_DECLARE void gaiaOutLinestringZ (gaiaOutBufferPtr out_buf,
					     gaiaLinestringPtr linestring);

/**
 Encodes a WKT 3D Linestring [XYZ]

 \param out_buf pointer to dynamically growing Text buffer
 \param linestring pointer to Linestring object
 \param precision decimal digits to be used for coordinates

 \sa gaiaOutPointZ, gaiaOutPolygonZ
 
 \remark mainly intended for internal usage.
 */
    GAIAGEO_DECLARE void gaiaOutLinestringZex (gaiaOutBufferPtr out_buf,
					       gaiaLinestringPtr linestring,
					       int precision);

/**
 Encodes a WKT 3D Polygon [XYZ]

 \param out_buf pointer to dynamically growing Text buffer
 \param polygon pointer to Point object

 \sa gaiaOutPointZ, gaiaOutLinestringZ, gaiaOutPolygonZex
 
 \remark mainly intended for internal usage.
 */
    GAIAGEO_DECLARE void gaiaOutPolygonZ (gaiaOutBufferPtr out_buf,
					  gaiaPolygonPtr polygon);

/**
 Encodes a WKT 3D Polygon [XYZ]

 \param out_buf pointer to dynamically growing Text buffer
 \param polygon pointer to Point object
 \param precision decimal digits to be used for coordinates

 \sa gaiaOutPointZ, gaiaOutLinestringZ
 
 \remark mainly intended for internal usage.
 */
    GAIAGEO_DECLARE void gaiaOutPolygonZex (gaiaOutBufferPtr out_buf,
					    gaiaPolygonPtr polygon,
					    int precision);

/**
 Creates a Geometry object from KML notation

 \param in_buffer pointer to KML buffer

 \return the pointer to the newly created Geometry object: NULL on failure

 Creates a Geometry object from the corresponding BLOB-Geometry 

 \param blob pointer to BLOB-Geometry
 \param size the BLOB's size

 \return the pointer to the newly created Geometry object: NULL on failure

 \sa gaiaFreeGeomColl, gaiaToSpatiaLiteBlobWkb, gaiaToCompressedBlobWkb


 \note you are responsible to destroy (before or after) any allocated Geometry,
 unless you've passed ownership of the Geometry object to some further object:
 in this case destroying the higher order object will implicitly destroy any 
 contained child object. 
 */
    GAIAGEO_DECLARE gaiaGeomCollPtr gaiaFromSpatiaLiteBlobWkb (const unsigned
							       char *blob,
							       unsigned int
							       size);

























/**
 Creates a BLOB-Geometry corresponding to a Geometry object

 \param geom pointer to the Geometry object.
 \param result on completion will containt a pointer to BLOB-Geometry:
 NULL on failure.
 \param size on completion this variable will contain the BLOB's size (in bytes)
................................................................................

/**
 Encodes a Geometry object into WKT notation

 \param out_buf pointer to dynamically growing Text buffer
 \param geom pointer to Geometry object

 \sa gaiaParseWkt, gaiaOutWktStrict, gaiaParseEWKT, gaiaToEWKT


 \note this function will apply 3D WKT encoding as internally intended by
 SpatiaLite: not necessarily intended by other OGC-like implementations.
 \n Anyway, 2D WKT is surely standard and safely interoperable.
 */
    GAIAGEO_DECLARE void gaiaOutWkt (gaiaOutBufferPtr out_buf,
				     gaiaGeomCollPtr geom);

















/**
 Encodes a Geometry object into strict 2D WKT notation

 \param out_buf pointer to dynamically growing Text buffer
 \param geom pointer to Geometry object
 \param precision decimal digits to be used for coordinates

................................................................................

/**
 Encodes a WKT 3D Point [XYZ]

 \param out_buf pointer to dynamically growing Text buffer
 \param point pointer to Point object

 \sa gaiaOutLinestringZ, gaiaOutPolygonZ
 
 \remark mainly intended for internal usage.
 */
    GAIAGEO_DECLARE void gaiaOutPointZ (gaiaOutBufferPtr out_buf,
					gaiaPointPtr point);















/**
 Encodes a WKT 3D Linestring [XYZ]

 \param out_buf pointer to dynamically growing Text buffer
 \param linestring pointer to Linestring object

 \sa gaiaOutPointZ, gaiaOutPolygonZ
 
 \remark mainly intended for internal usage.
 */
    GAIAGEO_DECLARE void gaiaOutLinestringZ (gaiaOutBufferPtr out_buf,
					     gaiaLinestringPtr linestring);
















/**
 Encodes a WKT 3D Polygon [XYZ]

 \param out_buf pointer to dynamically growing Text buffer
 \param polygon pointer to Point object

 \sa gaiaOutPointZ, gaiaOutLinestringZ
 
 \remark mainly intended for internal usage.
 */
    GAIAGEO_DECLARE void gaiaOutPolygonZ (gaiaOutBufferPtr out_buf,
					  gaiaPolygonPtr polygon);
















/**
 Creates a Geometry object from KML notation

 \param in_buffer pointer to KML buffer

 \return the pointer to the newly created Geometry object: NULL on failure

    };

#define MAX_XMLSCHEMA_CACHE	16

    struct splite_internal_cache
    {
	unsigned char magic1;
	int gpkg_amphibious_mode;
	int decimal_precision;
	void *GEOS_handle;
	void *PROJ_handle;
	void *xmlParsingErrors;
	void *xmlSchemaValidationErrors;
	void *xmlXPathErrors;
	struct splite_geos_cache_item cacheItem1;
	struct splite_geos_cache_item cacheItem2;
................................................................................
    {
	/* a struct to implement ATM_ControlPoints - aggregate function */
	int count;
	int allocation_incr;
	int allocated_items;
	int has3d;
	int tps;
	int order;
	/* point set A */
	double *x0;
	double *y0;
	double *z0;
	/* point set B */
	double *x1;
	double *y1;
................................................................................

    SPATIALITE_PRIVATE void initialize_epsg (int filter,
					     struct epsg_defs **first,
					     struct epsg_defs **last);

    SPATIALITE_PRIVATE void free_epsg (struct epsg_defs *first);

    SPATIALITE_PRIVATE int exists_spatial_ref_sys (void *handle);

    SPATIALITE_PRIVATE int checkSpatialMetaData (const void *sqlite);

    SPATIALITE_PRIVATE int delaunay_triangle_check (void *pg);

    SPATIALITE_PRIVATE void *voronoj_build (int pgs, void *first,
					    double extra_frame_size);

................................................................................
						const char *table,
						const char *column,
						int stat_type, void *p_lyr);

    SPATIALITE_PRIVATE void getProjParams (void *p_sqlite, int srid,
					   char **params);

    SPATIALITE_PRIVATE void getProjParamsEx (void *p_sqlite, int srid,
					     char **params,
					     int gpkg_amphibious_mode);

    SPATIALITE_PRIVATE int getEllipsoidParams (void *p_sqlite, int srid,
					       double *a, double *b,
					       double *rf);

    SPATIALITE_PRIVATE void addVectorLayer (void *list, const char *layer_type,
					    const char *table_name,
					    const char *geometry_column,
................................................................................
    SPATIALITE_PRIVATE void gaiaAuxClonerAddOption (const void *cloner,
						    const char *option);

    SPATIALITE_PRIVATE int gaiaAuxClonerCheckValidTarget (const void *cloner);

    SPATIALITE_PRIVATE int gaiaAuxClonerExecute (const void *cloner);

    SPATIALITE_PRIVATE int gaia_matrix_to_arrays (const unsigned char *blob,
						  int blob_sz, double *E,
						  double *N, double *Z);

#ifdef __cplusplus
}
#endif

#endif				/* _SPATIALITE_PRIVATE_H */

    };

#define MAX_XMLSCHEMA_CACHE	16

    struct splite_internal_cache
    {
	unsigned char magic1;


	void *GEOS_handle;
	void *PROJ_handle;
	void *xmlParsingErrors;
	void *xmlSchemaValidationErrors;
	void *xmlXPathErrors;
	struct splite_geos_cache_item cacheItem1;
	struct splite_geos_cache_item cacheItem2;
................................................................................
    {
	/* a struct to implement ATM_ControlPoints - aggregate function */
	int count;
	int allocation_incr;
	int allocated_items;
	int has3d;
	int tps;

	/* point set A */
	double *x0;
	double *y0;
	double *z0;
	/* point set B */
	double *x1;
	double *y1;
................................................................................

    SPATIALITE_PRIVATE void initialize_epsg (int filter,
					     struct epsg_defs **first,
					     struct epsg_defs **last);

    SPATIALITE_PRIVATE void free_epsg (struct epsg_defs *first);



    SPATIALITE_PRIVATE int checkSpatialMetaData (const void *sqlite);

    SPATIALITE_PRIVATE int delaunay_triangle_check (void *pg);

    SPATIALITE_PRIVATE void *voronoj_build (int pgs, void *first,
					    double extra_frame_size);

................................................................................
						const char *table,
						const char *column,
						int stat_type, void *p_lyr);

    SPATIALITE_PRIVATE void getProjParams (void *p_sqlite, int srid,
					   char **params);





    SPATIALITE_PRIVATE int getEllipsoidParams (void *p_sqlite, int srid,
					       double *a, double *b,
					       double *rf);

    SPATIALITE_PRIVATE void addVectorLayer (void *list, const char *layer_type,
					    const char *table_name,
					    const char *geometry_column,
................................................................................
    SPATIALITE_PRIVATE void gaiaAuxClonerAddOption (const void *cloner,
						    const char *option);

    SPATIALITE_PRIVATE int gaiaAuxClonerCheckValidTarget (const void *cloner);

    SPATIALITE_PRIVATE int gaiaAuxClonerExecute (const void *cloner);





#ifdef __cplusplus
}
#endif

#endif				/* _SPATIALITE_PRIVATE_H */

/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;
    int decimal_precision = -1;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
      {
	  decimal_precision = cache->decimal_precision;
	  gpkg_amphibious = cache->gpkg_amphibious_mode;
      }
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    gaiaOutBufferInitialize (&out_buf);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (decimal_precision >= 0)
	      gaiaOutWktEx (&out_buf, geo, decimal_precision);
	  else
	      gaiaOutWkt (&out_buf, geo);
	  if (out_buf.Error || out_buf.Buffer == NULL)
	      sqlite3_result_null (context);
	  else
	    {
		len = out_buf.WriteOffset;
		sqlite3_result_text (context, out_buf.Buffer, len, free);
		out_buf.Buffer = NULL;
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    int precision = 15;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    gaiaOutBufferInitialize (&out_buf);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaOutWktStrict (&out_buf, geo, precision);
	  if (out_buf.Error || out_buf.Buffer == NULL)
................................................................................
   returns the corresponding SVG encoded value or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
      {
	  sqlite3_result_null (context);
	  return;
      }
    else
      {
................................................................................
		    sqlite3_value_int (argv[2]));
    else
	sqlite3_result_null (context);
}

/* END of Klaus Foerster AsSvg() implementation */









































#ifndef OMIT_PROJ		/* PROJ.4 is strictly required to support KML */
static void
fnct_AsKml1 (sqlite3_context * context, int argc, sqlite3_value ** argv)
{
/* SQL function:
/ AsKml(BLOB encoded geometry [, Integer precision])
................................................................................
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geo_wgs84;
    char *proj_from;
    char *proj_to;
    int precision = 15;
    void *data = sqlite3_user_data (context);
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
................................................................................
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    gaiaOutBufferInitialize (&out_buf);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (geo->Srid == 4326)
	      ;			/* already WGS84 */
	  else if (geo->Srid <= 0)
................................................................................
    char dummy[128];
    char *xdummy;
    char *proj_from;
    char *proj_to;
    int precision = 15;
    void *data = sqlite3_user_data (context);
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    switch (sqlite3_value_type (argv[0]))
      {
      case SQLITE_TEXT:
	  name = (const char *) sqlite3_value_text (argv[0]);
	  len = strlen (name);
	  name_malloc = malloc (len + 1);
	  strcpy (name_malloc, name);
................................................................................
	      precision = sqlite3_value_int (argv[3]);
	  else
	    {
		sqlite3_result_null (context);
		goto stop;
	    }
      }
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (geo->Srid == 4326)
	      ;			/* already WGS84 */
	  else if (geo->Srid == 0)
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    int version = 2;
    int precision = 15;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (argc == 3)
      {
	  if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
	      version = sqlite3_value_int (argv[0]);
	  else
	    {
		sqlite3_result_null (context);
................................................................................
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
	  n_bytes = sqlite3_value_bytes (argv[0]);
      }
    gaiaOutBufferInitialize (&out_buf);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  /* produce GML-notation - actual work is done in gaiageo/gg_wkt.c */
	  gaiaOutGml (&out_buf, version, precision, geo);
	  if (out_buf.Error || out_buf.Buffer == NULL)
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    int precision = 15;
    int options = 0;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (argc == 3)
      {
	  if (sqlite3_value_type (argv[0]) == SQLITE_BLOB
	      && sqlite3_value_type (argv[1]) == SQLITE_INTEGER
	      && sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
	    {
		p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
................................................................................
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
	  n_bytes = sqlite3_value_bytes (argv[0]);
      }
    gaiaOutBufferInitialize (&out_buf);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  /* produce GeoJSON-notation - actual work is done in gaiageo/gg_wkt.c */
	  gaiaOutGeoJSON (&out_buf, geo, precision, options);
	  if (out_buf.Error || out_buf.Buffer == NULL)
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaToWkb (geo, &p_result, &len);
	  if (!p_result)
	      sqlite3_result_null (context);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int coord_dims;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
................................................................................
    else
      {
	  spatialite_e
	      ("AsFGF() error: argument 2 [geom_coords] out of range [0,1,2,3]\n");
	  sqlite3_result_null (context);
	  return;
      }
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaToFgf (geo, &p_result, &len, coord_dims);
	  if (!p_result)
	      sqlite3_result_null (context);
................................................................................
/ aggregate function - STEP
/
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    gaiaDynamicLinePtr *p;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geom)
	return;
    p = sqlite3_aggregate_context (context, sizeof (gaiaDynamicLinePtr));
    if (!(*p))
      {
	  /* this is the first row */
	  *p = gaiaAllocDynamicLine ();
................................................................................
*/
    int len;
    unsigned char *p_blob;
    int n_bytes;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
................................................................................
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo2)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    gaiaMakeLine (geo1, geo2, &p_result, &len);
    if (!p_result)
................................................................................
/
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    gaiaGeomCollPtr result;
    gaiaGeomCollPtr *p;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geom)
	return;
    p = sqlite3_aggregate_context (context, sizeof (gaiaGeomCollPtr));
    if (!(*p))
      {
	  /* this is the first row */
	  *p = geom;
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaMergeGeometries_r (data, geo1, geo2);
................................................................................
/ or NULL in any other case
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaToCompressedBlobWkb (geo, &p_result, &len);
	  sqlite3_result_blob (context, p_result, len, free);
      }
................................................................................
/ or NULL in any other case
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  sqlite3_result_blob (context, p_result, len, free);
      }
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr sanitized = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  sanitized = gaiaSanitize (geo);
	  gaiaToSpatiaLiteBlobWkb (sanitized, &p_result, &len);
	  sqlite3_result_blob (context, p_result, len, free);
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts == 1 && lns == 0 && pgs == 0)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts == 0 && lns == 1 && pgs == 0)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts == 0 && lns == 0 && pgs == 1)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts >= 1 && lns == 0 && pgs == 0)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts == 0 && lns >= 1 && pgs == 0)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts == 0 && lns == 0 && pgs >= 1)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts >= 1 || lns >= 1 || pgs >= 1)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts >= 1 || lns >= 1 || pgs >= 1)
	    {
................................................................................
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    int ok;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  ok = 0;
	  if (pts == 1 && lns == 0 && pgs == 0)
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCastGeomCollToXY (geo);
	  if (geom2)
	    {
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCastGeomCollToXYZ (geo);
	  if (geom2)
	    {
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCastGeomCollToXYM (geo);
	  if (geom2)
	    {
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCastGeomCollToXYZM (geo);
	  if (geom2)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts >= 1)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (lns >= 1)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pgs >= 1)
	    {
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCloneGeomCollSpecial (geo, GAIA_REVERSE_ORDER);
	  geom2->Srid = geo->Srid;
	  gaiaToSpatiaLiteBlobWkb (geom2, &p_result, &len);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCloneGeomCollSpecial (geo, GAIA_LHR_ORDER);
	  geom2->Srid = geo->Srid;
	  gaiaToSpatiaLiteBlobWkb (geom2, &p_result, &len);
................................................................................
/ 0, 1, 2, for GEOMETRYCOLLECTIONS according to geometries contained inside
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int dim;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  dim = gaiaDimension (geo);
	  sqlite3_result_int (context, dim);
      }
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    char *p_dim = NULL;
    char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (geo->DimensionModel == GAIA_XY)
	      p_dim = "XY";
	  else if (geo->DimensionModel == GAIA_XY_Z)
................................................................................
/ 2, 3 or 4
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int result = 0;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (geo->DimensionModel == GAIA_XY)
	      result = 2;
	  else if (geo->DimensionModel == GAIA_XY_Z)
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    int type;
    char *p_type = NULL;
    char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  type = gaiaGeometryAliasType (geo);
	  switch (type)
	    {
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    int srid;
    unsigned char *p_result = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	srid = sqlite3_value_int (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geo->Srid = srid;
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &n_bytes);
	  sqlite3_result_blob (context, p_result, n_bytes, free);
................................................................................
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr bbox;
    gaiaPolygonPtr polyg;
    gaiaRingPtr rect;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaMbrGeometry (geo);
	  bbox = gaiaAllocGeomColl ();
	  bbox->Srid = geo->Srid;
................................................................................
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr bbox;
    gaiaPolygonPtr polyg;
    gaiaRingPtr rect;
    double tic;
    int int_value;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	tic = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaMbrGeometry (geo);
	  bbox = gaiaAllocGeomColl ();
	  bbox->Srid = geo->Srid;
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    double **p;
    double *max_min;
    int *srid_check;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geom)
	return;
    gaiaMbrGeometry (geom);
    p = sqlite3_aggregate_context (context, sizeof (double **));
    if (!(*p))
      {
	  /* this is the first row */
................................................................................
/ returns the X coordinate for current POINT geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaPointPtr point;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = simplePoint (geo);
	  if (!point)
	      sqlite3_result_null (context);
................................................................................
/ returns the Y coordinate for current POINT geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaPointPtr point;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = simplePoint (geo);
	  if (!point)
	      sqlite3_result_null (context);
................................................................................
/ returns the Z coordinate for current POINT geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaPointPtr point;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = simplePoint (geo);
	  if (!point)
	      sqlite3_result_null (context);
................................................................................
/ returns the M coordinate for current POINT geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaPointPtr point;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = simplePoint (geo);
	  if (!point)
	      sqlite3_result_null (context);
................................................................................
/ returns the number of vertices for current LINESTRING geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaLinestringPtr line;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  line = simpleLinestring (geo);
	  if (!line)
	      sqlite3_result_null (context);
................................................................................
    double y;
    double z;
    double m;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    gaiaLinestringPtr line;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (request == GAIA_POINTN)
      {
................................................................................
      }
    else if (request == GAIA_END_POINT)
	vertex = -1;		/* EndPoint() specifies a negative point index */
    else
	vertex = 1;		/* StartPoint() */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  line = simpleLinestring (geo);
	  if (!line)
	      sqlite3_result_null (context);
................................................................................
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    gaiaPolygonPtr polyg;
    gaiaRingPtr ring;
    gaiaLinestringPtr line;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  polyg = simplePolygon (geo);
	  if (!polyg)
	      sqlite3_result_null (context);
................................................................................
/ returns the number of INTERIOR RINGS for current POLYGON geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaPolygonPtr polyg;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  polyg = simplePolygon (geo);
	  if (!polyg)
	      sqlite3_result_null (context);
................................................................................
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    gaiaPolygonPtr polyg;
    gaiaRingPtr ring;
    gaiaLinestringPtr line;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_INTEGER)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    border = sqlite3_value_int (argv[1]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  polyg = simplePolygon (geo);
	  if (!polyg)
	      sqlite3_result_null (context);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int cnt = 0;
    gaiaPointPtr point;
    gaiaLinestringPtr line;
    gaiaPolygonPtr polyg;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = geo->FirstPoint;
	  while (point)
	    {
................................................................................
    int cnt = 0;
    int ib;
    gaiaPointPtr point;
    gaiaLinestringPtr line;
    gaiaPolygonPtr polyg;
    gaiaRingPtr rng;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = geo->FirstPoint;
	  while (point)
	    {
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int cnt = 0;
    gaiaPolygonPtr polyg;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  polyg = geo->FirstPolygon;
	  while (polyg)
	    {
................................................................................
    unsigned char *p_result = NULL;
    int iv;
    int out_iv;
    double x;
    double y;
    double m;
    double z;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    line = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!line)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    point = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!point)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 3)
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int position;
    gaiaGeomCollPtr line = NULL;
    gaiaGeomCollPtr point = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    line = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!line)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_INTEGER)
      {
................................................................................
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[2]);
    n_bytes = sqlite3_value_bytes (argv[2]);
    point = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!point)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    commont_set_point (context, line, position, point);
................................................................................
/ returns a new Linestring by replacing its StartPoint
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr line = NULL;
    gaiaGeomCollPtr point = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    line = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!line)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    point = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!point)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    commont_set_point (context, line, 0, point);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaLinestringPtr ln;
    gaiaGeomCollPtr line = NULL;
    gaiaGeomCollPtr point = NULL;
    int position;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    line = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!line)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    point = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!point)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    if (is_single_linestring (line) && is_single_point (point))
................................................................................
    unsigned char *p_result = NULL;
    int iv;
    int out_iv;
    double x;
    double y;
    double m;
    double z;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    line = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!line)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_INTEGER)
      {
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr exterior = NULL;
    gaiaGeomCollPtr interiors = NULL;
    gaiaGeomCollPtr out;
    int len;
    unsigned char *p_result = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    exterior = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!exterior)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    if (argc == 2)
      {
................................................................................
	  if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
	    {
		sqlite3_result_null (context);
		goto stop;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
	  n_bytes = sqlite3_value_bytes (argv[1]);
	  interiors =
	      gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
	  if (!interiors)
	    {
		sqlite3_result_null (context);
		goto stop;
	    }
      }
    out = gaiaMakePolygon (exterior, interiors);
................................................................................
    double size_x = 0.0;
    double size_y = 0.0;
    double size_z = 0.0;
    double size_m = 0.0;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr point = NULL;
    gaiaGeomCollPtr result = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
	  if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
	  n_bytes = sqlite3_value_bytes (argv[1]);
	  point =
	      gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
	  if (!point)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (!getXYZMSinglePoint
	      (point, &origin_x, &origin_y, &origin_z, &origin_m))
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  result =
	      gaiaSnapToGrid (geo, origin_x, origin_y, origin_z, origin_m,
			      size_x, size_y, size_z, size_m);
................................................................................
    gaiaGeomCollPtr geo = NULL;
    char p_result[8];
    int lon_band = 0;
    double lon_minutes = 0;
    int segmentNumber = 0;
    int lat_band = 0;
    double lat_minutes = 0;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
      {
	  sqlite3_result_null (context);
	  return;
      }
    gaiaNormalizeLonLat (geo);
    point = geo->FirstPoint;
................................................................................
    gaiaPolygonPtr polyg;
    gaiaPolygonPtr polyg2;
    gaiaRingPtr ring_in;
    gaiaRingPtr ring_out;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_INTEGER)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    entity = sqlite3_value_int (argv[1]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = geo->FirstPoint;
	  while (point)
	    {
................................................................................
    int int_value;
    unsigned char *p_blob;
    int n_bytes;
    int ret = 0;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaLinestringPtr ln;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	x1 = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1)
	sqlite3_result_null (context);
    else
      {
	  gaiaMbrGeometry (geo1);
	  geo2 = gaiaAllocGeomColl ();
	  ln = gaiaAddLinestringToGeomColl (geo2, 2);
................................................................................
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    double shift_x;
    double shift_y;
    int int_value;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	shift_x = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaShiftCoords (geo, shift_x, shift_y);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    double shift_x;
    double shift_y;
    double shift_z;
    int int_value;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	shift_x = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaShiftCoords3D (geo, shift_x, shift_y, shift_z);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaShiftLongitude (geo);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
/ NULL is returned if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaNormalizeLonLat (geo);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    double scale_x;
    double scale_y;
    int int_value;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	scale_x = sqlite3_value_double (argv[1]);
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaScaleCoords (geo, scale_x, scale_y);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    double angle;
    int int_value;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	angle = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaRotateCoords (geo, angle);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int x_axis;
    int y_axis;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	x_axis = sqlite3_value_int (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaReflectCoords (geo, x_axis, y_axis);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaSwapCoords (geo);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
      {
	  sqlite3_result_null (context);
	  return;
      }
    else
      {
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    gaiaOutBufferInitialize (&out_buf);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaToEWKT (&out_buf, geo);
	  if (out_buf.Error || out_buf.Buffer == NULL)
	      sqlite3_result_null (context);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom_new = NULL;
    int len;
    int multi_linestring = 0;
    unsigned char *p_result = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
/ (or a set of Polygons)
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaPolygonize_r (data, geo, 0);
................................................................................
/
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    gaiaGeomCollPtr result;
    gaiaGeomCollPtr *p;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geom)
	return;
    p = sqlite3_aggregate_context (context, sizeof (gaiaGeomCollPtr));
    if (!(*p))
      {
	  /* this is the first row */
	  *p = geom;
................................................................................
/ Dissolves any LINESTRING or RING into elementary segments
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaDissolveSegments (geo);
	  if (result == NULL)
	      sqlite3_result_null (context);
................................................................................
/ Dissolves any LINESTRING or RING into elementary Vertices
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaDissolvePoints (geo);
	  if (result == NULL)
	      sqlite3_result_null (context);
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    int type;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	type = sqlite3_value_int (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  switch (type)
	    {
	    case 1:
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    double m_start;
    double m_end;
    int intval;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	m_start = sqlite3_value_double (argv[1]);
................................................................................
		return;
	    }
      }
    else
	m_end = m_start;
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaLocateBetweenMeasures (geo, m_start, m_end);
	  if (result == NULL)
	      sqlite3_result_null (context);
................................................................................

static void
fnct_Transform (sqlite3_context * context, int argc, sqlite3_value ** argv)
{
/* SQL function:
/ Transform(BLOBencoded geometry, srid)
/
/ returns a new geometry that is the original one received, but transformed / translated to the new SRID [coordinates translation is applied]
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int srid_from;
    int srid_to;
    char *proj_from;
    char *proj_to;
    void *data = sqlite3_user_data (context);
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	srid_to = sqlite3_value_int (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  srid_from = geo->Srid;
	  getProjParamsEx (sqlite, srid_from, &proj_from, gpkg_amphibious);
	  getProjParamsEx (sqlite, srid_to, &proj_to, gpkg_amphibious);
	  if (proj_to == NULL || proj_from == NULL)
	    {
		if (proj_from)
		    free (proj_from);
		if (proj_to)
		    free (proj_to);
		gaiaFreeGeomColl (geo);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaGeomCollPtr geom;
    char *str;
    void *data = sqlite3_user_data (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (data != NULL)
	str = gaiaIsValidReason_r (data, geom);
    else
	str = gaiaIsValidReason (geom);
    if (str == NULL)
	sqlite3_result_null (context);
    else
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaGeomCollPtr geom;
    gaiaGeomCollPtr detail;
    unsigned char *p_result = NULL;
    void *data = sqlite3_user_data (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (data != NULL)
	detail = gaiaIsValidDetail_r (data, geom);
    else
	detail = gaiaIsValidDetail (geom);
    if (detail == NULL)
	sqlite3_result_null (context);
    else
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr boundary;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (gaiaIsEmpty (geo))
	      sqlite3_result_null (context);
	  else
................................................................................
/ 1 if this LINESTRING is closed [or if this is a MULTILINESTRING and every LINESTRINGs are closed] 
/ 0 otherwise
/ or -1 if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_int (context, -1);
    else
      {
	  sqlite3_result_int (context, gaiaIsClosedGeom (geo));
      }
    gaiaFreeGeomColl (geo);
................................................................................
/ 0 otherwise
/ or -1 if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int ret;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaIsSimple_r (data, geo);
................................................................................
/ or -1 if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int ret;
    gaiaGeomCollPtr geo = NULL;
    gaiaLinestringPtr line;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_int (context, -1);
    else
      {
	  line = simpleLinestring (geo);
	  if (!line < 0)
	      sqlite3_result_int (context, -1);
................................................................................
/ 0 otherwise
/ or -1 if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int ret;
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaIsValid_r (data, geo);
................................................................................
    int ret;
    int use_ellipsoid = -1;
    double a;
    double b;
    double rf;
    gaiaGeomCollPtr geo = NULL;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
	    }
	  use_ellipsoid = sqlite3_value_int (argv[1]);
	  if (use_ellipsoid != 0)
	      use_ellipsoid = 1;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (use_ellipsoid >= 0)
	    {
		/* attempting to identify the corresponding ellipsoid */
................................................................................
#ifdef ENABLE_LWGEOM		/* only if LWGEOM is enabled */
    double a;
    double b;
    double rf;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
#endif /* end LWGEOM conditional */
    gaiaGeomCollPtr geo = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
	    }
	  use_ellipsoid = sqlite3_value_int (argv[1]);
	  if (use_ellipsoid != 0)
	      use_ellipsoid = 1;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (use_ellipsoid >= 0)
	    {
#ifdef ENABLE_LWGEOM		/* only if LWGEOM is enabled */
................................................................................
    int len;
    int ret;
    double x;
    double y;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (gaiaIsEmpty (geo))
	      sqlite3_result_null (context);
	  else
................................................................................
    int n_bytes;
    int len;
    double x;
    double y;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  int posret;
	  if (data != NULL)
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int int_value;
    double tolerance;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	tolerance = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaGeomCollSimplify_r (data, geo, tolerance);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int int_value;
    double tolerance;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	tolerance = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaConvexHull_r (data, geo);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    double radius;
    int int_value;
    int quadrantsegments = 30;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	radius = sqlite3_value_double (argv[1]);
................................................................................
	    }
	  quadrantsegments = sqlite3_value_int (argv[2]);
	  if (quadrantsegments <= 0)
	      quadrantsegments = 1;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaGeometryIntersection_r (data, geo1, geo2);
................................................................................
*/
    struct gaia_geom_chain *chain;
    struct gaia_geom_chain_item *item;
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    struct gaia_geom_chain **p;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geom)
	return;
    p = sqlite3_aggregate_context (context, sizeof (struct gaia_geom_chain **));
    if (!(*p))
      {
	  /* this is the first row */
	  chain = malloc (sizeof (struct gaia_geom_chain));
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaGeometryUnion_r (data, geo1, geo2);
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaGeometryDifference_r (data, geo1, geo2);
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaGeometrySymDifference_r (data, geo1, geo2);
................................................................................
/ or -1 if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollEquals_r (data, geo1, geo2);
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (blob1, bytes1, gpkg_amphibious);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (blob2, bytes2, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedIntersects (data,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (blob1, bytes1, gpkg_amphibious);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (blob2, bytes2, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedDisjoint (data,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (blob1, bytes1, gpkg_amphibious);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (blob2, bytes2, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedOverlaps (data,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (blob1, bytes1, gpkg_amphibious);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (blob2, bytes2, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedCrosses (data,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (blob1, bytes1, gpkg_amphibious);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (blob2, bytes2, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedTouches (data,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (blob1, bytes1, gpkg_amphibious);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (blob2, bytes2, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedWithin (data, geo1,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (blob1, bytes1, gpkg_amphibious);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (blob2, bytes2, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedContains (data,
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    const unsigned char *pattern;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
    if (sqlite3_value_type (argv[2]) != SQLITE_TEXT)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    pattern = sqlite3_value_text (argv[2]);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
................................................................................
    int use_ellipsoid = -1;
    double a;
    double b;
    double rf;
    int ret;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    void *data = sqlite3_user_data (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
	    }
	  use_ellipsoid = sqlite3_value_int (argv[2]);
	  if (use_ellipsoid != 0)
	      use_ellipsoid = 1;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  if (use_ellipsoid >= 0)
	    {
		/* attempting to identify the corresponding ellipsoid */
................................................................................
    int pg1 = 0;
    double dist;
    double a;
    double b;
    double rf;
    int ret;
    void *data = sqlite3_user_data (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
      {
	  int dst = sqlite3_value_int (argv[2]);
	  ref_dist = dst;
      }
    else
	ref_dist = sqlite3_value_double (argv[2]);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    double radius;
    int int_value;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	radius = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaOffsetCurve_r (data, geo, radius, 16, 0);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    double radius;
    int int_value;
    int left_right;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	radius = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    double dist;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaHausdorffDistance_r (data, geo1, geo2, &dist);
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo1 == NULL || geo2 == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaSharedPaths_r (data, geo1, geo2);
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (blob1, bytes1, gpkg_amphibious);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (blob2, bytes2, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedCovers (data, geo1,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (blob1, bytes1, gpkg_amphibious);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (blob2, bytes2, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedCoveredBy (data,
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int int_value;
    double fraction;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	fraction = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaLineInterpolatePoint_r (data, geo, fraction);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int int_value;
    double distance;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	distance = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
/ - geom2 is expected to represent some POINT
*/
    unsigned char *p_blob;
    int n_bytes;
    double fraction;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo1 == NULL || geo2 == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      fraction = gaiaLineLocatePoint_r (data, geo1, geo2);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int int_value;
    double fraction1;
    double fraction2;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	fraction1 = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaLineSubstring_r (data, geo, fraction1, fraction2);
................................................................................
/ NULL is returned for invalid arguments (or if distance is ZERO)
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo1 == NULL || geo2 == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaShortestLine_r (data, geo1, geo2);
................................................................................
/ NULL is returned for invalid arguments (or if distance is ZERO)
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo1 == NULL || geo2 == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaShortestLine_r (data, geo1, geo2);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int int_value;
    double tolerance;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo1 == NULL || geo2 == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaSnap_r (data, geo1, geo2, tolerance);
................................................................................
/ (or a set of lines)
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaLineMerge_r (data, geo);
................................................................................
/ exactly like Union, but using a single Collection
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaUnaryUnion_r (data, geo);
................................................................................
    double origin_x = 0.0;
    double origin_y = 0.0;
    double size;
    int edges_only = 0;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr point = NULL;
    gaiaGeomCollPtr result = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
................................................................................
	  if (sqlite3_value_type (argv[3]) != SQLITE_BLOB)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[3]);
	  n_bytes = sqlite3_value_bytes (argv[3]);
	  point =
	      gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
	  if (!point)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (point->FirstLinestring != NULL)
	      goto no_point;
................................................................................
	    }
	  else
	      goto no_point;

      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (geo->FirstPoint != NULL)
	      goto no_polygon;
................................................................................
    double origin_x = 0.0;
    double origin_y = 0.0;
    double size;
    int edges_only = 0;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr point = NULL;
    gaiaGeomCollPtr result = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
................................................................................
	  if (sqlite3_value_type (argv[3]) != SQLITE_BLOB)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[3]);
	  n_bytes = sqlite3_value_bytes (argv[3]);
	  point =
	      gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
	  if (!point)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (point->FirstLinestring != NULL)
	      goto no_point;
................................................................................
	    }
	  else
	      goto no_point;

      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (geo->FirstPoint != NULL)
	      goto no_polygon;
................................................................................
    double origin_x = 0.0;
    double origin_y = 0.0;
    double size;
    int edges_only = 0;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr point = NULL;
    gaiaGeomCollPtr result = NULL;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
................................................................................
	  if (sqlite3_value_type (argv[3]) != SQLITE_BLOB)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[3]);
	  n_bytes = sqlite3_value_bytes (argv[3]);
	  point =
	      gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
	  if (!point)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (point->FirstLinestring != NULL)
	      goto no_point;
................................................................................
	    }
	  else
	      goto no_point;

      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (geo->FirstPoint != NULL)
	      goto no_polygon;
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom1 = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geom2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geom1 == NULL || geom2 == NULL)
      {
	  if (geom1)
	      gaiaFreeGeomColl (geom1);
	  if (geom2)
	      gaiaFreeGeomColl (geom2);
	  sqlite3_result_null (context);
................................................................................
    gaiaPointPtr pt;
    gaiaLinestringPtr ln;
    gaiaPolygonPtr pg;
    gaiaGeomCollPtr geom = NULL;
    gaiaGeomCollPtr geom1 = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }

/* checking if Geometry is a Polygon or MultiPolyhon */
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int int_value;
    double tolerance = 0.0;
    int only_edges = 0;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc >= 2)
      {
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int int_value;
    double tolerance = 0.0;
    double extra_frame_size = -1.0;
    int only_edges = 0;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc >= 2)
      {
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int int_value;
    double tolerance = 0.0;
    double factor = 3.0;
    int allow_holes = 0;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc >= 2)
      {
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
/ Attempts to make an invalid geometry valid without loosing vertices.
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaMakeValid (geo);
	  if (result == NULL)
	    {
................................................................................
/ discarded during the validation process.
/ NULL is returned for invalid arguments (or if no discarded items are found)
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaMakeValidDiscarded (geo);
	  if (result == NULL)
	      sqlite3_result_null (context);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int int_value;
    double dist;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	dist = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaSegmentize (geo, dist);
	  if (result == NULL)
	      sqlite3_result_null (context);
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr input = NULL;
    gaiaGeomCollPtr blade = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    input = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (input == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    blade = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (blade == NULL)
      {
	  gaiaFreeGeomColl (input);
	  sqlite3_result_null (context);
	  return;
      }
    else
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr input = NULL;
    gaiaGeomCollPtr blade = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    input = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (input == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    blade = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (blade == NULL)
      {
	  gaiaFreeGeomColl (input);
	  sqlite3_result_null (context);
	  return;
      }
    else
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr input = NULL;
    gaiaGeomCollPtr blade = NULL;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    input = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (input == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    blade = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (blade == NULL)
      {
	  gaiaFreeGeomColl (input);
	  sqlite3_result_null (context);
	  return;
      }
    else
................................................................................
    double y2;
    double a;
    double b;
    double rf;
    double azimuth;
    int srid;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
	  sqlite3_result_null (context);
	  return;
      }

/* retrieving and validating the first point */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (!getXYSinglePoint (geom, &x1, &y1))
      {
................................................................................
      }
    srid = geom->Srid;
    gaiaFreeGeomColl (geom);

/* retrieving and validating the second point */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (!getXYSinglePoint (geom, &x2, &y2))
      {
................................................................................
    double distance;
    double azimuth;
    double a;
    double b;
    double rf;
    int srid;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	distance = sqlite3_value_double (argv[1]);
................................................................................
	  sqlite3_result_null (context);
	  return;
      }

/* retrieving and validating the start point */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (!getXYSinglePoint (geom, &x1, &y1))
      {
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    int precision = 0;
    char *geo_hash;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
		sqlite3_result_null (context);
		return;
	    }
      }

    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    geo_hash = gaiaGeoHash (geom, precision);
    if (geo_hash != NULL)
................................................................................
    gaiaGeomCollPtr geom;
    int precision = 15;
    int options = 0;
    const char *refid = "";
    char *srs = NULL;
    char *x3d;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc >= 2)
      {
................................................................................
		sqlite3_result_null (context);
		return;
	    }
      }

    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (geom->Srid > 0)
      {
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    double dist;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  ret = gaia3DDistance (geo1, geo2, &dist);
	  if (!ret)
	      sqlite3_result_null (context);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    double dist;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  ret = gaiaMaxDistance (geo1, geo2, &dist);
	  if (!ret)
	      sqlite3_result_null (context);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    double dist;
    int ret;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  ret = gaia3DMaxDistance (geo1, geo2, &dist);
	  if (!ret)
	      sqlite3_result_null (context);
................................................................................
/ Returns a new new (Multi)Linestring by re-noding the input linestring(s)
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr input;
    gaiaGeomCollPtr result;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }

/* retrieving the input geometry */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    input = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (input == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }

    result = gaiaNodeLines (input);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr input;
    gaiaGeomCollPtr noded;
    gaiaGeomCollPtr result;
    gaiaGeomCollPtr nodes_in;
    gaiaGeomCollPtr nodes_out;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }

/* retrieving the input geometry */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    input = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (input == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }

/* checking the input (Linestrings only) */
................................................................................
	  x = atan (x);
	  sqlite3_result_double (context, x);
      }
    else
	sqlite3_result_null (context);
}

static void
fnct_math_atan2 (sqlite3_context * context, int argc, sqlite3_value ** argv)
{
/* SQL function:
/ atan2(double X, double Y)
/
/ Returns  the principal value of the arc tangent of Y/X, using
/ the signs of the two arguments to determine the quadrant of 
/ the result.
/ or NULL if any error is encountered
*/
    int int_value;
    double x;
    double y;
    double t;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (sqlite3_value_type (argv[0]) == SQLITE_FLOAT)
	x = sqlite3_value_double (argv[0]);
    else if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
      {
	  int_value = sqlite3_value_int (argv[0]);
	  x = int_value;
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	y = sqlite3_value_double (argv[1]);
    else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
	  int_value = sqlite3_value_int (argv[1]);
	  y = int_value;
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    t = atan2 (x, y);
    sqlite3_result_double (context, t);
}

static void
fnct_math_ceil (sqlite3_context * context, int argc, sqlite3_value ** argv)
{
/* SQL function:
/ ceil(double X)
/
/ Returns the smallest integer value not less than X
................................................................................
    const char *label_col_name = NULL;
    const char *text_height_col_name = NULL;
    const char *text_rotation_col_name = NULL;
    gaiaGeomCollPtr geom = NULL;
    int precision = 3;
    int ret = 1;
    sqlite3 *db_handle = sqlite3_context_db_handle (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) == SQLITE_TEXT)
	dir_path = (const char *) sqlite3_value_text (argv[0]);
    if (sqlite3_value_type (argv[1]) == SQLITE_TEXT)
	filename = (const char *) sqlite3_value_text (argv[1]);
    if (sqlite3_value_type (argv[2]) == SQLITE_TEXT)
	sql_query = (const char *) sqlite3_value_text (argv[2]);
    if (sqlite3_value_type (argv[3]) == SQLITE_TEXT)
................................................................................
	text_height_col_name = (const char *) sqlite3_value_text (argv[6]);
    if (sqlite3_value_type (argv[7]) == SQLITE_TEXT)
	text_rotation_col_name = (const char *) sqlite3_value_text (argv[7]);
    if (sqlite3_value_type (argv[8]) == SQLITE_BLOB)
      {
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[8]);
	  n_bytes = sqlite3_value_bytes (argv[8]);
	  geom = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
      }
    if (argc == 10)
      {
	  if (sqlite3_value_type (argv[9]) == SQLITE_INTEGER)
	      precision = sqlite3_value_int (argv[9]);
      }
    if (dir_path == NULL || filename == NULL || sql_query == NULL
................................................................................
    double rf;
    gaiaGeomCollPtr geo = NULL;
    gaiaLinestringPtr line;
    gaiaPolygonPtr polyg;
    gaiaRingPtr ring;
    int ib;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (getEllipsoidParams (sqlite, geo->Srid, &a, &b, &rf))
	    {
		line = geo->FirstLinestring;
................................................................................
    double rf;
    gaiaGeomCollPtr geo = NULL;
    gaiaLinestringPtr line;
    gaiaPolygonPtr polyg;
    gaiaRingPtr ring;
    int ib;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkbEx (p_blob, n_bytes, gpkg_amphibious);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (getEllipsoidParams (sqlite, geo->Srid, &a, &b, &rf))
	    {
		line = geo->FirstLinestring;
................................................................................
/            double xoff, double yoff) - 2D
/    or
/ ATM_Create(double a, double b, double c, double d, 
/            double e, double f, double g, double h,
/            double i, double xoff, double yoff,
/            double zoff) - 3D
/


/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
					    sqlite3_value ** argv)
{
/* SQL function:
/ ATM_CreateTranslate(double tx, double ty) - 2D
/    or
/ ATM_CreateTranslate(double tx, double ty, double tz) - 3D
/


/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
					sqlite3_value ** argv)
{
/* SQL function:
/ ATM_CreateScale(double sx, double sy) - 2D
/    or
/ ATM_CreateScale(double sx, double sy, double sz - 3D
/


/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
					 sqlite3_value ** argv)
{
/* SQL function:
/ ATM_CreateRotate(double angleInDegrees) - 2D
/    or
/ ATM_CreateZRoll(double angeInDegrees) - 3D
/


/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
static void
fnct_AffineTransformMatrix_CreateXRoll (sqlite3_context * context, int argc,
					sqlite3_value ** argv)
{
/* SQL function:
/ ATM_CreateXRoll(double angleInDegrees) - 3D
/


/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
static void
fnct_AffineTransformMatrix_CreateYRoll (sqlite3_context * context, int argc,
					sqlite3_value ** argv)
{
/* SQL function:
/ ATM_CreateYRoll(double angleInDegrees) - 3D
/


/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................

static void
fnct_AffineTransformMatrix_Multiply (sqlite3_context * context, int argc,
				     sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Multiply(blob atmA, blob atmB)



/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    unsigned char *blob;
    int blob_sz;
    const unsigned char *iblob1;
    int iblob1_sz;
................................................................................
}

static void
fnct_AffineTransformMatrix_Translate (sqlite3_context * context, int argc,
				      sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Translate(blob atm, double tx, double ty) - 2D
/    or
/ ATM_Translate(blob atm, double tx, double ty, double tz) - 3D
/


/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (argc == 3)
      {
	  /* 2D translate */
	  if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)


	    {
		iblob = sqlite3_value_blob (argv[0]);
		iblob_sz = sqlite3_value_bytes (argv[0]);

	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	      xoff = sqlite3_value_double (argv[1]);
	  else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[1]);
		xoff = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[2]) == SQLITE_FLOAT)
	      yoff = sqlite3_value_double (argv[2]);
	  else if (sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[2]);
		yoff = int_value;

	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    else if (argc == 4)
      {
	  /* 3D translate */
	  if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)


	    {
		iblob = sqlite3_value_blob (argv[0]);
		iblob_sz = sqlite3_value_bytes (argv[0]);

	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	      xoff = sqlite3_value_double (argv[1]);
	  else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[1]);
		xoff = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[2]) == SQLITE_FLOAT)
	      yoff = sqlite3_value_double (argv[2]);
	  else if (sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[2]);
		yoff = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[3]) == SQLITE_FLOAT)
	      zoff = sqlite3_value_double (argv[3]);
	  else if (sqlite3_value_type (argv[3]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[3]);
		zoff = int_value;

	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
................................................................................
}

static void
fnct_AffineTransformMatrix_Scale (sqlite3_context * context, int argc,
				  sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Scale(blob atm, double sx, double sy) - 2D
/    or
/ ATM_Scale(blob atm, double sx, double sy, double sz) - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
................................................................................
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (argc == 3)
      {
	  /* 2D scale */
	  if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)


	    {
		iblob = sqlite3_value_blob (argv[0]);
		iblob_sz = sqlite3_value_bytes (argv[0]);

	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	      a = sqlite3_value_double (argv[1]);
	  else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[1]);
		a = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[2]) == SQLITE_FLOAT)
	      e = sqlite3_value_double (argv[2]);
	  else if (sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[2]);
		e = int_value;

	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    else if (argc == 4)
      {
	  /* 3D scale */
	  if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)


	    {
		iblob = sqlite3_value_blob (argv[0]);
		iblob_sz = sqlite3_value_bytes (argv[0]);

	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	      a = sqlite3_value_double (argv[1]);
	  else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[1]);
		a = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[2]) == SQLITE_FLOAT)
	      e = sqlite3_value_double (argv[2]);
	  else if (sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[2]);
		e = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[3]) == SQLITE_FLOAT)
	      i = sqlite3_value_double (argv[3]);
	  else if (sqlite3_value_type (argv[3]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[3]);
		i = int_value;

	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
................................................................................
}

static void
fnct_AffineTransformMatrix_Rotate (sqlite3_context * context, int argc,
				   sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Rotate(blob atm, double angleInDegrees) - 2D
/    or
/ ATM_ZRoll(blob atm, double angleInDegrees) - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
................................................................................
    unsigned char *blob;
    int blob_sz;
    const unsigned char *iblob;
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)


      {
	  iblob = sqlite3_value_blob (argv[0]);
	  iblob_sz = sqlite3_value_bytes (argv[0]);

      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	angle = sqlite3_value_double (argv[1]);
    else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
	  int_value = sqlite3_value_int (argv[1]);
	  angle = int_value;
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    rads = angle * coeff;
    vsin = sin (rads);
................................................................................
    unsigned char *blob;
    int blob_sz;
    const unsigned char *iblob;
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)


      {
	  iblob = sqlite3_value_blob (argv[0]);
	  iblob_sz = sqlite3_value_bytes (argv[0]);

      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	angle = sqlite3_value_double (argv[1]);
    else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
	  int_value = sqlite3_value_int (argv[1]);
	  angle = int_value;

      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    rads = angle * coeff;
................................................................................
    unsigned char *blob;
    int blob_sz;
    const unsigned char *iblob;
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)


      {
	  iblob = sqlite3_value_blob (argv[0]);
	  iblob_sz = sqlite3_value_bytes (argv[0]);

      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	angle = sqlite3_value_double (argv[1]);
    else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
	  int_value = sqlite3_value_int (argv[1]);
	  angle = int_value;

      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    rads = angle * coeff;
................................................................................
				 xoff, yoff, zoff, &blob, &blob_sz);
    if (blob == NULL)
	sqlite3_result_null (context);
    else
	sqlite3_result_blob (context, blob, blob_sz, free);
}

static void
fnct_AffineTransformMatrix_Determinant (sqlite3_context * context, int argc,
					sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Determinant(blob atm)
/
/ will return the Determinant from a BLOB-encoded Affine Transform Matrix
/ or 0.0 on failure
*/
    const unsigned char *iblob;
    int iblob_sz;
    double det = 0.0;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)
      {
	  iblob = sqlite3_value_blob (argv[0]);
	  iblob_sz = sqlite3_value_bytes (argv[0]);
      }
    else
      {
	  sqlite3_result_double (context, det);
	  return;
      }

/* evaluating the Affine Transform Matrix */
    det = gaia_matrix_determinant (iblob, iblob_sz);
    sqlite3_result_double (context, det);
}

static void
fnct_AffineTransformMatrix_IsInvertible (sqlite3_context * context, int argc,
					 sqlite3_value ** argv)
{
/* SQL function:
/ ATM_IsInvertible(blob atm)
/
/ will return TRUE if the a BLOB-encoded Affine Transform Matrix
/ is Invertible, FALSE if not
/ -1 on invalid arguments
*/
    const unsigned char *iblob;
    int iblob_sz;
    double det;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)
      {
	  iblob = sqlite3_value_blob (argv[0]);
	  iblob_sz = sqlite3_value_bytes (argv[0]);
      }
    else
      {
	  sqlite3_result_int (context, -1);
	  return;
      }

/* evaluating the Affine Transform Matrix */
    det = gaia_matrix_determinant (iblob, iblob_sz);
    if (det != 0.0)
	sqlite3_result_int (context, 1);
    else
	sqlite3_result_int (context, 0);
}

static void
fnct_AffineTransformMatrix_Invert (sqlite3_context * context, int argc,
				   sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Invert(blob atm)
/
/ will create an Inverse BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    unsigned char *blob;
    int blob_sz;
    const unsigned char *iblob;
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)
      {
	  iblob = sqlite3_value_blob (argv[0]);
	  iblob_sz = sqlite3_value_bytes (argv[0]);
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }

/* creating the BLOB-encoded Affine Transform Matrix (Inverse) */
    gaia_matrix_invert (iblob, iblob_sz, &blob, &blob_sz);
    if (blob == NULL)
	sqlite3_result_null (context);
    else
	sqlite3_result_blob (context, blob, blob_sz, free);
}

static void
fnct_AffineTransformMatrix_GeometryTransform (sqlite3_context * context,
					      int argc, sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Transform(blob geom, blob atm [ , int srid] )
/
/ will create a BLOB-Geometry by applying to the input Geometry all
/ transformations specified by the Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    unsigned char *blob;
................................................................................
    int blob_sz;
    const unsigned char *iblob1;
    int iblob1_sz;
    const unsigned char *iblob2;
    int iblob2_sz;
    gaiaGeomCollPtr g1;
    gaiaGeomCollPtr g2;
    int srid = -9999;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;

/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)
      {
	  iblob1 = sqlite3_value_blob (argv[0]);
	  iblob1_sz = sqlite3_value_bytes (argv[0]);
      }
................................................................................
	  iblob2 = sqlite3_value_blob (argv[1]);
	  iblob2_sz = sqlite3_value_bytes (argv[1]);
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 3)
      {
	  if (sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
	      srid = sqlite3_value_int (argv[2]);
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }

/* attempting to parse the BLOB-Geometry */
    g1 = gaiaFromSpatiaLiteBlobWkbEx (iblob1, iblob1_sz, gpkg_amphibious);
    if (g1 == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    g2 = gaia_matrix_transform_geometry (g1, iblob2, iblob2_sz);
    gaiaFreeGeomColl (g1);
    if (g2 == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (srid != -9999)
	g2->Srid = srid;
    gaiaToSpatiaLiteBlobWkb (g2, &blob, &blob_sz);
    gaiaFreeGeomColl (g2);
    if (blob == NULL)
	sqlite3_result_null (context);
    else
	sqlite3_result_blob (context, blob, blob_sz, free);
}
................................................................................
    text = gaia_matrix_as_text (blob, blob_sz);
    if (text == NULL)
	sqlite3_result_null (context);
    else
	sqlite3_result_text (context, text, strlen (text), sqlite3_free);
}

#ifdef ENABLE_GCP		/* only if ControlPoints enabled */

static int
get_control_point (gaiaGeomCollPtr geom, double *x, double *y, double *z,
		   int *has3d)
{
/* checking a Control Point */
    gaiaPointPtr pt;
    if (geom == NULL)
................................................................................
    if (has3d_0 != cp->has3d)
	return 0;
    if (has3d_1 != cp->has3d)
	return 0;
    return 1;
}



static void
fnct_GroundControlPoints_Compute_step (sqlite3_context * context,
				       int argc, sqlite3_value ** argv)
{
/* SQL function:
/ GCP_Compute(BLOB point1, BLOB point2 [ , int order ] )
/
/ aggregate function - STEP
/
*/
    unsigned char *p_blob0;
    int n_bytes0;
    unsigned char *p_blob1;
................................................................................
    double y0;
    double z0;
    double x1;
    double y1;
    double z1;
    int has3d_0;
    int has3d_1;
    int order = 1;
    int tps = 0;
    GaiaControlPointsPtr *cp;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;
    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
    if (argc == 3)
      {
	  if (sqlite3_value_type (argv[2]) != SQLITE_INTEGER)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  order = sqlite3_value_int (argv[2]);
	  if (order >= 1 && order <= 3)
	      ;			/* 1st, 2nd or 3rd polynomial order */
	  else if (order == 0)
	    {
		/* Thin Plate Splite */
		order = 1;
		tps = 1;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob0 = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes0 = sqlite3_value_bytes (argv[0]);
    p_blob1 = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes1 = sqlite3_value_bytes (argv[1]);
    geom0 = gaiaFromSpatiaLiteBlobWkbEx (p_blob0, n_bytes0, gpkg_amphibious);
    geom1 = gaiaFromSpatiaLiteBlobWkbEx (p_blob1, n_bytes1, gpkg_amphibious);
    if (!get_control_point (geom0, &x0, &y0, &z0, &has3d_0))
	goto error;
    if (!get_control_point (geom1, &x1, &y1, &z1, &has3d_1))
	goto error;
    if (has3d_0 != has3d_1)
	goto error;
    cp = sqlite3_aggregate_context (context,
				    sizeof (struct gaia_control_points));
    if (*cp == NULL)
      {
	  /* this is the first row */
	  *cp = gaiaCreateControlPoints (1024, has3d_0, order, tps);
	  if (has3d_0)
	      gaiaAddControlPoint3D (*cp, x0, y0, z0, x1, y1, z1);
	  else
	      gaiaAddControlPoint2D (*cp, x0, y0, x1, y1);
      }
    else
      {
................................................................................
	gaiaFreeGeomColl (geom0);
    if (geom1 != NULL)
	gaiaFreeGeomColl (geom1);
    sqlite3_result_null (context);
}

static void
fnct_GroundControlPoints_Compute_final (sqlite3_context * context)
{
/* SQL function:
/ GCP_Compute(BLOB point1, BLOB point2 [ , int order ] )
/
/ aggregate function - FINAL
/
*/












    unsigned char *blob = NULL;
    int blob_sz;
    int ret;
    GaiaControlPointsPtr *cp = sqlite3_aggregate_context (context, 0);
    if (cp == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    ret = gaiaCreatePolynomialCoeffs (*cp, &blob, &blob_sz);
    if (!ret)
	sqlite3_result_null (context);
    else
	sqlite3_result_blob (context, blob, blob_sz, free);
    gaiaFreeControlPoints (*cp);
}

static void
fnct_GroundControlPoints_GeometryTransform (sqlite3_context * context,
					    int argc, sqlite3_value ** argv)


{
/* SQL function:
/ GCP_Transform(blob geom, blob gcp [ , int srid ] )
/
/ will create a BLOB-Geometry by applying to the input Geometry all
/ transformations specified by the Polynomial coefficients
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    unsigned char *blob;
    int blob_sz;
    const unsigned char *iblob1;
    int iblob1_sz;
    const unsigned char *iblob2;
    int iblob2_sz;
    gaiaGeomCollPtr g1;
    gaiaGeomCollPtr g2;
    int srid = -9999;
    int gpkg_amphibious = 0;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache != NULL)
	gpkg_amphibious = cache->gpkg_amphibious_mode;


/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)
      {
	  iblob1 = sqlite3_value_blob (argv[0]);
	  iblob1_sz = sqlite3_value_bytes (argv[0]);













      }
    else
      {
	  sqlite3_result_null (context);
	  return;







      }
    if (sqlite3_value_type (argv[1]) == SQLITE_BLOB)
      {
	  iblob2 = sqlite3_value_blob (argv[1]);
	  iblob2_sz = sqlite3_value_bytes (argv[1]);
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 3)
      {
	  if (sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
	      srid = sqlite3_value_int (argv[2]);
	  else
	    {
		sqlite3_result_null (context);

		return;
	    }
      }

/* attempting to parse the BLOB-Geometry */
    g1 = gaiaFromSpatiaLiteBlobWkbEx (iblob1, iblob1_sz, gpkg_amphibious);
    if (g1 == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    g2 = gaiaPolynomialTransformGeometry (g1, iblob2, iblob2_sz);
    gaiaFreeGeomColl (g1);
    if (g2 == NULL)

      {
	  sqlite3_result_null (context);
	  return;
      }
    if (srid != -9999)
	g2->Srid = srid;


    gaiaToSpatiaLiteBlobWkb (g2, &blob, &blob_sz);
    gaiaFreeGeomColl (g2);
    if (blob == NULL)
	sqlite3_result_null (context);
    else
	sqlite3_result_blob (context, blob, blob_sz, free);
}

static void
fnct_GroundControlPoints_IsValid (sqlite3_context * context, int argc,
				  sqlite3_value ** argv)
{
/* SQL function:
/ GCO_IsValid(BLOB polynomail)
/
/ returns TRUE if the current BLOB is a valid BLOB-GCP, FALSE if not 
/ or -1 if any error is encountered
*/
    const unsigned char *blob;
    int blob_sz;
    int ret;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)
      {
	  blob = (const unsigned char *) sqlite3_value_blob (argv[0]);
	  blob_sz = sqlite3_value_bytes (argv[0]);
      }
    else
      {
	  sqlite3_result_int (context, -1);
	  return;
      }

/* verifying the BLOB-Polynomail */
    ret = gaiaPolynomialIsValid (blob, blob_sz);
    if (ret)
	sqlite3_result_int (context, 1);
    else
	sqlite3_result_int (context, 0);
}

static void
fnct_GroundControlPoints_AsText (sqlite3_context * context, int argc,
				 sqlite3_value ** argv)
{
/* SQL function:
/ GCP_AsText(BLOB polynomail)
/
/ returns a textual representaion of the BLOB-Polynomial
/ or NULL if any error is encountered
*/
    const unsigned char *blob;
    int blob_sz;
    char *text;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)
      {
	  blob = (const unsigned char *) sqlite3_value_blob (argv[0]);
	  blob_sz = sqlite3_value_bytes (argv[0]);
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }

/* retrieving the textual representation from the BLOB-Matrix */
    text = gaiaPolynomialAsText (blob, blob_sz);
    if (text == NULL)
	sqlite3_result_null (context);
    else
	sqlite3_result_text (context, text, strlen (text), sqlite3_free);
}

static void
fnct_GroundControlPoints_ToATM (sqlite3_context * context, int argc,
				sqlite3_value ** argv)
{
/* SQL function:
/ GCP2ATM(BLOB polynomail)
/
/ returns a BLOB-Atm corresponding to a BLOB-Polynomial (first order only)
/ or NULL if any error is encountered
*/
    const unsigned char *blob;
    int blob_sz;
    unsigned char *oblob;
    int oblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)
      {
	  blob = (const unsigned char *) sqlite3_value_blob (argv[0]);
	  blob_sz = sqlite3_value_bytes (argv[0]);
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }

/* converting Polynomial coefficients into an Affine Transformation matrix */
    if (!gaiaPolynomialToMatrix (blob, blob_sz, &oblob, &oblob_sz))
	sqlite3_result_null (context);
    else
	sqlite3_result_blob (context, oblob, oblob_sz, free);
}

#endif /* end including GCP */

static void
fnct_enableGpkgAmphibiousMode (sqlite3_context * context, int argc,
			       sqlite3_value ** argv)
{
/* SQL function:
/ EnableGpkgAmphibiousMode ( void )
/
/ returns: nothing
*/
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache == NULL)
	return;
    cache->gpkg_amphibious_mode = 1;
}

static void
fnct_disableGpkgAmphibiousMode (sqlite3_context * context, int argc,
				sqlite3_value ** argv)
{
/* SQL function:
/ DisableGpkgAmphibiousMode ( void )
/
/ returns: nothing
*/
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache == NULL)
	return;
    cache->gpkg_amphibious_mode = 0;
}

static void
fnct_getGpkgAmphibiousMode (sqlite3_context * context, int argc,
			    sqlite3_value ** argv)
{
/* SQL function:
/ GetGpkgAmphibiousMode ( void )
/
/ returns: TRUE or FALSE
*/
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache == NULL)
      {
	  sqlite3_result_int (context, 0);
	  return;
      }
    sqlite3_result_int (context, cache->gpkg_amphibious_mode);
}

static void
fnct_setDecimalPrecision (sqlite3_context * context, int argc,
			  sqlite3_value ** argv)
{
/* SQL function:
/ SetDecimalPrecision ( int precision )
/ a negative precision identifies the default setting
/
/ returns: nothing
*/
    int precision = -1;
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache == NULL)
	return;
    if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
	precision = sqlite3_value_int (argv[0]);
    else
	return;
    if (precision < 0)
	precision = -1;
    else if (precision == 6)
	precision = -1;
    else if (precision > 18)
	precision = 18;
    cache->decimal_precision = precision;
}

static void
fnct_getDecimalPrecision (sqlite3_context * context, int argc,
			  sqlite3_value ** argv)
{
/* SQL function:
/ GetDecimalPrecision ( void )
/
/ returns: the currently set Decimal Precision
*/
    struct splite_internal_cache *cache = sqlite3_user_data (context);
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */
    if (cache == NULL)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    sqlite3_result_int (context, cache->decimal_precision);
}

#ifdef LOADABLE_EXTENSION
static void
splite_close_callback (void *p_cache)
{
/*
/ the DB connection has been terminated 
/
/ this callback function is expected to be invoked only if 
/ SpatiaLite was loaded as a dynamic extension and will
/ perform a final clean-up releasing the internal cache
/
*/
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;

    if (cache == NULL)
................................................................................
    sqlite3_create_function_v2 (db, "UpdateMetaCatalogStatistics", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_UpdateMetaCatalogStatistics, 0, 0, 0);
    sqlite3_create_function_v2 (db, "UpdateMetaCatalogStatistics", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_UpdateMetaCatalogStatistics, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsText", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsText, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsText", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsText, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsWkt", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsWkt, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsWkt", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsWkt, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsSvg", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsSvg1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsSvg", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsSvg2, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsSvg", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsSvg3, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CloneTable", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CloneTable, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CloneTable", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CloneTable, 0, 0, 0);
................................................................................
				fnct_AsKml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsKml", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsKml, 0, 0, 0);
#endif /* end including PROJ.4 */

    sqlite3_create_function_v2 (db, "AsGml", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsGml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsGml", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsGml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsGml", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsGml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromGml", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_FromGml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsGeoJSON", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsGeoJSON, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsGeoJSON", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsGeoJSON, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsGeoJSON", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsGeoJSON, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromGeoJSON", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FromGeoJSON, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromKml", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FromKml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsFGF", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsFGF, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromEWKB", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FromEWKB, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsEWKB", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ToEWKB, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsEWKT", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ToEWKT, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromEWKT", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FromEWKT, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsBinary", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsBinary, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsBinary", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsBinary, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromText", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeomFromText1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromText", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeomFromText2, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "GeomFromFGF", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryFromFGF1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromFGF", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryFromFGF2, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CompressGeometry", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CompressGeometry, 0, 0, 0);
    sqlite3_create_function_v2 (db, "UncompressGeometry", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_UncompressGeometry, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SanitizeGeometry", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SanitizeGeometry, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToInteger", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToInteger, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToDouble", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToDouble, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "FileNameFromPath", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FileNameFromPath, 0, 0, 0);
    sqlite3_create_function_v2 (db, "FileExtFromPath", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FileExtFromPath, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToLinestring", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToLinestring, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToPolygon", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToPolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToMultiPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToMultiPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToMultiLinestring", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToMultiLinestring, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToMultiPolygon", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToMultiPolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToGeometryCollection", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToGeometryCollection, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToMulti", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToMulti, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Multi", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToMulti, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToSingle", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToSingle, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToXY", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToXY, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToXYZ", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToXYZ, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToXYM", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToXYM, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToXYZM", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CastToXYZM, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ExtractMultiPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ExtractMultiPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ExtractMultiLinestring", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ExtractMultiLinestring, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ExtractMultiPolygon", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ExtractMultiPolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Reverse", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Reverse, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_ForceLHR", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ForceLHR, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Dimension", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Dimension, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Dimension", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Dimension, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CoordDimension", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CoordDimension, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_NDims", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NDims, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeometryType", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryType, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_GeometryType", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryType, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeometryAliasType", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GeometryAliasType, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SridFromAuthCRS", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SridFromAuthCRS, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SRID", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SRID, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SRID", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SRID, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SetSRID", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SetSRID, 0, 0, 0);
    sqlite3_create_function_v2 (db, "IsEmpty", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_IsEmpty, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_IsEmpty", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_IsEmpty, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "Envelope", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Envelope, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Envelope", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Envelope, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Expand", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Expand, 0, 0, 0);
    sqlite3_create_function_v2 (db, "X", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
				cache, fnct_X, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Y", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
				cache, fnct_Y, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Z", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
				cache, fnct_Z, 0, 0, 0);
    sqlite3_create_function_v2 (db, "M", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
				cache, fnct_M, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_X", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_X, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Y", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Y, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Z", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Z, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_M", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_M, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MinX", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrMinX, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MinY", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrMinY, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MinZ", 1,
................................................................................
    sqlite3_create_function_v2 (db, "ST_MaxZ", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MaxZ, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MaxM", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MaxM, 0, 0, 0);
    sqlite3_create_function_v2 (db, "NumPoints", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NumPoints, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_NumPoints", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NumPoints, 0, 0, 0);
    sqlite3_create_function_v2 (db, "StartPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_StartPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "EndPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_EndPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_StartPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_StartPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_EndPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_EndPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "PointN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_PointN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_PointN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_PointN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ExteriorRing", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ExteriorRing, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_ExteriorRing", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ExteriorRing, 0, 0, 0);
    sqlite3_create_function_v2 (db, "NumInteriorRing", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NumInteriorRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "NumInteriorRings", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NumInteriorRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_NumInteriorRing", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NumInteriorRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "InteriorRingN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_InteriorRingN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_InteriorRingN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_InteriorRingN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "NumGeometries", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NumGeometries, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_NumGeometries", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NumGeometries, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeometryN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GeometryN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_GeometryN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GeometryN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MBRContains", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrContains, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MbrDisjoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrDisjoint, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "MbrIntersects", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_EnvIntersects", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_EnvIntersects", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_EnvIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_EnvelopesIntersects", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_EnvelopesIntersects", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_EnvIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MBROverlaps", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrOverlaps, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MbrTouches", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrTouches, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MbrWithin", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrWithin, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ShiftCoords", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ShiftCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ShiftCoordinates", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ShiftCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Translate", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Translate, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Shift_Longitude", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ShiftLongitude, 0, 0, 0);
    sqlite3_create_function_v2 (db, "NormalizeLonLat", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NormalizeLonLat, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ScaleCoords", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ScaleCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ScaleCoordinates", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ScaleCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ScaleCoords", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ScaleCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ScaleCoordinates", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ScaleCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "RotateCoords", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_RotateCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "RotateCoordinates", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_RotateCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ReflectCoords", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ReflectCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ReflectCoordinates", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ReflectCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SwapCoords", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SwapCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SwapCoordinates", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SwapCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "BuildMbr", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_BuildMbr1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "BuildMbr", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_BuildMbr2, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "BuildCircleMbr", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_BuildCircleMbr1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "BuildCircleMbr", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_BuildCircleMbr2, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Extent", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache, 0,
				fnct_Extent_step, fnct_Extent_final, 0);
    sqlite3_create_function_v2 (db, "MbrMinX", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrMinX, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MbrMaxX", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrMaxX, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "MakePointZM", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakePointZM1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakePointZM", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakePointZM2, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakeLine", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache, 0,
				fnct_MakeLine_step, fnct_MakeLine_final, 0);
    sqlite3_create_function_v2 (db, "MakeLine", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_MakeLine, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakeCircle", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakeCircle, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakeCircle", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakeCircle, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "FilterMbrContains", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FilterMbrContains, 0, 0, 0);
    sqlite3_create_function_v2 (db, "FilterMbrIntersects", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FilterMbrIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "LinesFromRings", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_LinesFromRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_LinesFromRings", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_LinesFromRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "LinesFromRings", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_LinesFromRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_LinesFromRings", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_LinesFromRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_NPoints", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NPoints, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_nrings", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_NRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ToGARS", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_ToGARS, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GARSMbr", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GARSMbr, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SnapToGrid", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SnapToGrid", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SnapToGrid", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SnapToGrid", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SnapToGrid", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SnapToGrid", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SnapToGrid", 6,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SnapToGrid", 6,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AddPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AddPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AddPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AddPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AddPoint", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AddPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AddPoint", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AddPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "RemovePoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_RemovePoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_RemovePoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_RemovePoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SetPoint", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SetPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SetPoint", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SetPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SetStartPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SetStartPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SetStartPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SetStartPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SetEndPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SetEndPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SetEndPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SetEndPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakePolygon", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_MakePolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MakePolygon", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_MakePolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakePolygon", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_MakePolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MakePolygon", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_MakePolygon, 0, 0, 0);

    sqlite3_create_function_v2 (db, "ATM_Create", 0,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_Create, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_Create", 6,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
................................................................................
				fnct_AffineTransformMatrix_XRoll, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_YRoll", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_YRoll, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_ZRoll", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_Rotate, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_Determinant", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_Determinant, 0, 0,
				0);
    sqlite3_create_function_v2 (db, "ATM_IsInvertible", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_IsInvertible, 0, 0,
				0);
    sqlite3_create_function_v2 (db, "ATM_Invert", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_Invert, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_IsValid", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_IsValid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_AsText", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_AsText, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_Transform", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AffineTransformMatrix_GeometryTransform, 0,
				0, 0);
    sqlite3_create_function_v2 (db, "ATM_Transform", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AffineTransformMatrix_GeometryTransform, 0,
				0, 0);

#ifdef ENABLE_GCP		/* only if ControlPoints enabled */
    sqlite3_create_function_v2 (db, "GCP_Compute", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache, 0,
				fnct_GroundControlPoints_Compute_step,
				fnct_GroundControlPoints_Compute_final, 0);
    sqlite3_create_function_v2 (db, "GCP_Compute", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache, 0,
				fnct_GroundControlPoints_Compute_step,
				fnct_GroundControlPoints_Compute_final, 0);
    sqlite3_create_function_v2 (db, "GCP_Transform", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GroundControlPoints_GeometryTransform, 0,


				0, 0);
    sqlite3_create_function_v2 (db, "GCP_Transform", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GroundControlPoints_GeometryTransform, 0,


				0, 0);
    sqlite3_create_function_v2 (db, "GCP_IsValid", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GroundControlPoints_IsValid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GCP_AsText", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GroundControlPoints_AsText, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GCP2ATM", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GroundControlPoints_ToATM, 0, 0, 0);
#endif /* end including GCP */

#ifndef OMIT_GEOS		/* including GEOS */
    sqlite3_create_function_v2 (db, "BuildArea", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_BuildArea, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_BuildArea", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
................................................................................
				fnct_Polygonize_step, fnct_Polygonize_final, 0);
    sqlite3_create_function_v2 (db, "ST_Polygonize", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache, 0,
				fnct_Polygonize_step, fnct_Polygonize_final, 0);
#endif /* end including GEOS */

    sqlite3_create_function_v2 (db, "DissolveSegments", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_DissolveSegments, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_DissolveSegments", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_DissolveSegments, 0, 0, 0);
    sqlite3_create_function_v2 (db, "DissolvePoints", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_DissolvePoints, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_DissolvePoints", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_DissolvePoints, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CollectionExtract", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CollectionExtract, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_CollectionExtract", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_CollectionExtract, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Locate_Along_Measure", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_LocateBetweenMeasures, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_LocateAlong", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_LocateBetweenMeasures, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Locate_Between_Measures", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_LocateBetweenMeasures, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_LocateBetween", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_LocateBetweenMeasures, 0, 0, 0);
#ifndef OMIT_GEOCALLBACKS	/* supporting RTree geometry callbacks */
    sqlite3_rtree_geometry_callback (db, "RTreeWithin", fnct_RTreeIntersects,
				     0);
    sqlite3_rtree_geometry_callback (db, "RTreeContains",
				     fnct_RTreeIntersects, 0);
    sqlite3_rtree_geometry_callback (db, "RTreeIntersects",
................................................................................
	  sqlite3_create_function_v2 (db, "ImportDXFfromDir", 1,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				      fnct_ImportDXFfromDir, 0, 0, 0);
	  sqlite3_create_function_v2 (db, "ImportDXFfromDir", 8,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				      fnct_ImportDXFfromDir, 0, 0, 0);
	  sqlite3_create_function_v2 (db, "ExportDXF", 9,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				      fnct_ExportDXF, 0, 0, 0);
	  sqlite3_create_function_v2 (db, "ExportDXF", 10,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				      fnct_ExportDXF, 0, 0, 0);
	  sqlite3_create_function_v2 (db, "ImportDBF", 3,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				      fnct_ImportDBF, 0, 0, 0);
	  sqlite3_create_function_v2 (db, "ImportDBF", 4,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				      fnct_ImportDBF, 0, 0, 0);
................................................................................
	  sqlite3_create_function_v2 (db, "ImportXLS", 4,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				      fnct_ImportXLS, 0, 0, 0);
#endif /* end FREEXL support */

      }


/* global settings */
    sqlite3_create_function_v2 (db, "EnableGpkgAmphibiousMode", 0,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_enableGpkgAmphibiousMode, 0, 0, 0);
    sqlite3_create_function_v2 (db, "DisableGpkgAmphibiousMode", 0,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_disableGpkgAmphibiousMode, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GetGpkgAmphibiousMode", 0,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_getGpkgAmphibiousMode, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SetDecimalPrecision", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_setDecimalPrecision, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GetDecimalPrecision", 0,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_getDecimalPrecision, 0, 0, 0);

/* some Geodesic functions */
    sqlite3_create_function_v2 (db, "GreatCircleLength", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GreatCircleLength, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeodesicLength", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GeodesicLength, 0, 0, 0);

/* some Length Unit conversion functions */
    sqlite3_create_function_v2 (db, "CvtToKm", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_cvtToKm, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CvtToDm", 1,
................................................................................
				fnct_math_acos, 0, 0, 0);
    sqlite3_create_function_v2 (db, "asin", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_math_asin, 0, 0, 0);
    sqlite3_create_function_v2 (db, "atan", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_math_atan, 0, 0, 0);
    sqlite3_create_function_v2 (db, "atan2", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_math_atan2, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ceil", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_math_ceil, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ceiling", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_math_ceil, 0, 0, 0);
    sqlite3_create_function_v2 (db, "cos", 1,
................................................................................
    sqlite3_create_function_v2 (db, "Boundary", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Boundary, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Boundary", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Boundary, 0, 0, 0);
    sqlite3_create_function_v2 (db, "IsClosed", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_IsClosed, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_IsClosed", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_IsClosed, 0, 0, 0);
    sqlite3_create_function_v2 (db, "IsSimple", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_IsSimple, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_IsSimple", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_IsSimple, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "ST_HexagonalGrid", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_HexagonalGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_HexagonalGrid", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_HexagonalGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "LinesCutAtNodes", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_LinesCutAtNodes, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_LinesCutAtNodes", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_LinesCutAtNodes, 0, 0, 0);
    sqlite3_create_function_v2 (db, "RingsCutAtNodes", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_RingsCutAtNodes, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_RingsCutAtNodes", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_RingsCutAtNodes, 0, 0, 0);

#ifdef GEOS_ADVANCED		/* GEOS advanced features - 3.4.0 */

    sqlite3_create_function_v2 (db, "DelaunayTriangulation", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_DelaunayTriangulation, 0, 0, 0);
................................................................................

    sqlite3_create_function_v2 (db, "LWGEOM_GetLastErrorMsg", 0, SQLITE_UTF8,
				0, fnct_LWGEOM_GetLastErrorMsg, 0, 0, 0);
    sqlite3_create_function_v2 (db, "LWGEOM_GetLastWarningMsg", 0, SQLITE_UTF8,
				0, fnct_LWGEOM_GetLastWarningMsg, 0, 0, 0);

    sqlite3_create_function_v2 (db, "MakeValid", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_MakeValid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MakeValid", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_MakeValid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakeValidDiscarded", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakeValidDiscarded, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MakeValidDiscarded", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_MakeValidDiscarded, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Area", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Area, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Area", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Area, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Segmentize", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Segmentize, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Segmentize", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Segmentize, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Azimuth", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Azimuth, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Azimuth", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Azimuth, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Project", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Project, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Project", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Project, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeoHash", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GeoHash, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeoHash", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GeoHash, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_GeoHash", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GeoHash, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_GeoHash", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_GeoHash, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsX3D", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsX3D", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsX3D", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsX3D", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsX3D", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsX3D", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsX3D", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsX3D", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_3DDistance", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_3DDistance, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MaxDistance", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_MaxDistance, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MaxDistance", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_MaxDistance, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_3DMaxDistance", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_3DMaxDistance, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Split", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Split, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Split", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Split, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SplitLeft", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SplitLeft, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SplitLeft", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SplitLeft, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SplitRight", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SplitRight, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SplitRight", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SplitRight, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Node", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Node, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SelfIntersections", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SelfIntersections, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SelfIntersections", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_SelfIntersections, 0, 0, 0);

#endif /* end LWGEOM support */

#endif /* end including GEOS */

#ifdef ENABLE_LIBXML2		/* including LIBXML2 */

/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;



    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */





    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    gaiaOutBufferInitialize (&out_buf);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {



	  gaiaOutWkt (&out_buf, geo);
	  if (out_buf.Error || out_buf.Buffer == NULL)
	      sqlite3_result_null (context);
	  else
	    {
		len = out_buf.WriteOffset;
		sqlite3_result_text (context, out_buf.Buffer, len, free);
		out_buf.Buffer = NULL;
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    int precision = 15;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    gaiaOutBufferInitialize (&out_buf);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaOutWktStrict (&out_buf, geo, precision);
	  if (out_buf.Error || out_buf.Buffer == NULL)
................................................................................
   returns the corresponding SVG encoded value or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
      {
	  sqlite3_result_null (context);
	  return;
      }
    else
      {
................................................................................
		    sqlite3_value_int (argv[2]));
    else
	sqlite3_result_null (context);
}

/* END of Klaus Foerster AsSvg() implementation */

SPATIALITE_PRIVATE void
getProjParams (void *p_sqlite, int srid, char **proj_params)
{
/* retrives the PROJ params from SPATIAL_SYS_REF table, if possible */
    sqlite3 *sqlite = (sqlite3 *) p_sqlite;
    char *sql;
    char **results;
    int rows;
    int columns;
    int i;
    int ret;
    int len;
    const char *proj4text;
    char *errMsg = NULL;
    *proj_params = NULL;
    sql = sqlite3_mprintf
	("SELECT proj4text FROM spatial_ref_sys WHERE srid = %d", srid);
    ret = sqlite3_get_table (sqlite, sql, &results, &rows, &columns, &errMsg);
    sqlite3_free (sql);
    if (ret != SQLITE_OK)
      {
	  spatialite_e ("unknown SRID: %d\t<%s>\n", srid, errMsg);
	  sqlite3_free (errMsg);
	  return;
      }
    for (i = 1; i <= rows; i++)
      {
	  proj4text = results[(i * columns)];
	  if (proj4text != NULL)
	    {
		len = strlen (proj4text);
		*proj_params = malloc (len + 1);
		strcpy (*proj_params, proj4text);
	    }
      }
    if (*proj_params == NULL)
	spatialite_e ("unknown SRID: %d\n", srid);
    sqlite3_free_table (results);
}

#ifndef OMIT_PROJ		/* PROJ.4 is strictly required to support KML */
static void
fnct_AsKml1 (sqlite3_context * context, int argc, sqlite3_value ** argv)
{
/* SQL function:
/ AsKml(BLOB encoded geometry [, Integer precision])
................................................................................
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geo_wgs84;
    char *proj_from;
    char *proj_to;
    int precision = 15;
    void *data = sqlite3_user_data (context);
    sqlite3 *sqlite = sqlite3_context_db_handle (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
................................................................................
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    gaiaOutBufferInitialize (&out_buf);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (geo->Srid == 4326)
	      ;			/* already WGS84 */
	  else if (geo->Srid <= 0)
................................................................................
    char dummy[128];
    char *xdummy;
    char *proj_from;
    char *proj_to;
    int precision = 15;
    void *data = sqlite3_user_data (context);
    sqlite3 *sqlite = sqlite3_context_db_handle (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    switch (sqlite3_value_type (argv[0]))
      {
      case SQLITE_TEXT:
	  name = (const char *) sqlite3_value_text (argv[0]);
	  len = strlen (name);
	  name_malloc = malloc (len + 1);
	  strcpy (name_malloc, name);
................................................................................
	      precision = sqlite3_value_int (argv[3]);
	  else
	    {
		sqlite3_result_null (context);
		goto stop;
	    }
      }
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (geo->Srid == 4326)
	      ;			/* already WGS84 */
	  else if (geo->Srid == 0)
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    int version = 2;
    int precision = 15;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (argc == 3)
      {
	  if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
	      version = sqlite3_value_int (argv[0]);
	  else
	    {
		sqlite3_result_null (context);
................................................................................
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
	  n_bytes = sqlite3_value_bytes (argv[0]);
      }
    gaiaOutBufferInitialize (&out_buf);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  /* produce GML-notation - actual work is done in gaiageo/gg_wkt.c */
	  gaiaOutGml (&out_buf, version, precision, geo);
	  if (out_buf.Error || out_buf.Buffer == NULL)
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    int precision = 15;
    int options = 0;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (argc == 3)
      {
	  if (sqlite3_value_type (argv[0]) == SQLITE_BLOB
	      && sqlite3_value_type (argv[1]) == SQLITE_INTEGER
	      && sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
	    {
		p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
................................................................................
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
	  n_bytes = sqlite3_value_bytes (argv[0]);
      }
    gaiaOutBufferInitialize (&out_buf);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  /* produce GeoJSON-notation - actual work is done in gaiageo/gg_wkt.c */
	  gaiaOutGeoJSON (&out_buf, geo, precision, options);
	  if (out_buf.Error || out_buf.Buffer == NULL)
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaToWkb (geo, &p_result, &len);
	  if (!p_result)
	      sqlite3_result_null (context);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int coord_dims;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
................................................................................
    else
      {
	  spatialite_e
	      ("AsFGF() error: argument 2 [geom_coords] out of range [0,1,2,3]\n");
	  sqlite3_result_null (context);
	  return;
      }
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaToFgf (geo, &p_result, &len, coord_dims);
	  if (!p_result)
	      sqlite3_result_null (context);
................................................................................
/ aggregate function - STEP
/
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    gaiaDynamicLinePtr *p;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geom)
	return;
    p = sqlite3_aggregate_context (context, sizeof (gaiaDynamicLinePtr));
    if (!(*p))
      {
	  /* this is the first row */
	  *p = gaiaAllocDynamicLine ();
................................................................................
*/
    int len;
    unsigned char *p_blob;
    int n_bytes;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
................................................................................
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo2)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    gaiaMakeLine (geo1, geo2, &p_result, &len);
    if (!p_result)
................................................................................
/
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    gaiaGeomCollPtr result;
    gaiaGeomCollPtr *p;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geom)
	return;
    p = sqlite3_aggregate_context (context, sizeof (gaiaGeomCollPtr));
    if (!(*p))
      {
	  /* this is the first row */
	  *p = geom;
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaMergeGeometries_r (data, geo1, geo2);
................................................................................
/ or NULL in any other case
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaToCompressedBlobWkb (geo, &p_result, &len);
	  sqlite3_result_blob (context, p_result, len, free);
      }
................................................................................
/ or NULL in any other case
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  sqlite3_result_blob (context, p_result, len, free);
      }
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr sanitized = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  sanitized = gaiaSanitize (geo);
	  gaiaToSpatiaLiteBlobWkb (sanitized, &p_result, &len);
	  sqlite3_result_blob (context, p_result, len, free);
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts == 1 && lns == 0 && pgs == 0)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts == 0 && lns == 1 && pgs == 0)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts == 0 && lns == 0 && pgs == 1)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts >= 1 && lns == 0 && pgs == 0)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts == 0 && lns >= 1 && pgs == 0)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts == 0 && lns == 0 && pgs >= 1)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts >= 1 || lns >= 1 || pgs >= 1)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts >= 1 || lns >= 1 || pgs >= 1)
	    {
................................................................................
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    int ok;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  ok = 0;
	  if (pts == 1 && lns == 0 && pgs == 0)
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCastGeomCollToXY (geo);
	  if (geom2)
	    {
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCastGeomCollToXYZ (geo);
	  if (geom2)
	    {
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCastGeomCollToXYM (geo);
	  if (geom2)
	    {
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCastGeomCollToXYZM (geo);
	  if (geom2)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pts >= 1)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (lns >= 1)
	    {
................................................................................
    int len;
    unsigned char *p_result = NULL;
    int pts;
    int lns;
    int pgs;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  cast_count (geo, &pts, &lns, &pgs);
	  if (pgs >= 1)
	    {
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCloneGeomCollSpecial (geo, GAIA_REVERSE_ORDER);
	  geom2->Srid = geo->Srid;
	  gaiaToSpatiaLiteBlobWkb (geom2, &p_result, &len);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geom2 = gaiaCloneGeomCollSpecial (geo, GAIA_LHR_ORDER);
	  geom2->Srid = geo->Srid;
	  gaiaToSpatiaLiteBlobWkb (geom2, &p_result, &len);
................................................................................
/ 0, 1, 2, for GEOMETRYCOLLECTIONS according to geometries contained inside
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int dim;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  dim = gaiaDimension (geo);
	  sqlite3_result_int (context, dim);
      }
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    char *p_dim = NULL;
    char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (geo->DimensionModel == GAIA_XY)
	      p_dim = "XY";
	  else if (geo->DimensionModel == GAIA_XY_Z)
................................................................................
/ 2, 3 or 4
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int result = 0;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (geo->DimensionModel == GAIA_XY)
	      result = 2;
	  else if (geo->DimensionModel == GAIA_XY_Z)
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    int type;
    char *p_type = NULL;
    char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  type = gaiaGeometryAliasType (geo);
	  switch (type)
	    {
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    int srid;
    unsigned char *p_result = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	srid = sqlite3_value_int (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  geo->Srid = srid;
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &n_bytes);
	  sqlite3_result_blob (context, p_result, n_bytes, free);
................................................................................
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr bbox;
    gaiaPolygonPtr polyg;
    gaiaRingPtr rect;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaMbrGeometry (geo);
	  bbox = gaiaAllocGeomColl ();
	  bbox->Srid = geo->Srid;
................................................................................
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr bbox;
    gaiaPolygonPtr polyg;
    gaiaRingPtr rect;
    double tic;
    int int_value;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	tic = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaMbrGeometry (geo);
	  bbox = gaiaAllocGeomColl ();
	  bbox->Srid = geo->Srid;
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    double **p;
    double *max_min;
    int *srid_check;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geom)
	return;
    gaiaMbrGeometry (geom);
    p = sqlite3_aggregate_context (context, sizeof (double **));
    if (!(*p))
      {
	  /* this is the first row */
................................................................................
/ returns the X coordinate for current POINT geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaPointPtr point;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = simplePoint (geo);
	  if (!point)
	      sqlite3_result_null (context);
................................................................................
/ returns the Y coordinate for current POINT geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaPointPtr point;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = simplePoint (geo);
	  if (!point)
	      sqlite3_result_null (context);
................................................................................
/ returns the Z coordinate for current POINT geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaPointPtr point;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = simplePoint (geo);
	  if (!point)
	      sqlite3_result_null (context);
................................................................................
/ returns the M coordinate for current POINT geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaPointPtr point;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = simplePoint (geo);
	  if (!point)
	      sqlite3_result_null (context);
................................................................................
/ returns the number of vertices for current LINESTRING geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaLinestringPtr line;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  line = simpleLinestring (geo);
	  if (!line)
	      sqlite3_result_null (context);
................................................................................
    double y;
    double z;
    double m;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    gaiaLinestringPtr line;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (request == GAIA_POINTN)
      {
................................................................................
      }
    else if (request == GAIA_END_POINT)
	vertex = -1;		/* EndPoint() specifies a negative point index */
    else
	vertex = 1;		/* StartPoint() */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  line = simpleLinestring (geo);
	  if (!line)
	      sqlite3_result_null (context);
................................................................................
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    gaiaPolygonPtr polyg;
    gaiaRingPtr ring;
    gaiaLinestringPtr line;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  polyg = simplePolygon (geo);
	  if (!polyg)
	      sqlite3_result_null (context);
................................................................................
/ returns the number of INTERIOR RINGS for current POLYGON geometry 
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaPolygonPtr polyg;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  polyg = simplePolygon (geo);
	  if (!polyg)
	      sqlite3_result_null (context);
................................................................................
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    gaiaPolygonPtr polyg;
    gaiaRingPtr ring;
    gaiaLinestringPtr line;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_INTEGER)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    border = sqlite3_value_int (argv[1]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  polyg = simplePolygon (geo);
	  if (!polyg)
	      sqlite3_result_null (context);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int cnt = 0;
    gaiaPointPtr point;
    gaiaLinestringPtr line;
    gaiaPolygonPtr polyg;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = geo->FirstPoint;
	  while (point)
	    {
................................................................................
    int cnt = 0;
    int ib;
    gaiaPointPtr point;
    gaiaLinestringPtr line;
    gaiaPolygonPtr polyg;
    gaiaRingPtr rng;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = geo->FirstPoint;
	  while (point)
	    {
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int cnt = 0;
    gaiaPolygonPtr polyg;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  polyg = geo->FirstPolygon;
	  while (polyg)
	    {
................................................................................
    unsigned char *p_result = NULL;
    int iv;
    int out_iv;
    double x;
    double y;
    double m;
    double z;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    line = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!line)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    point = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!point)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 3)
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int position;
    gaiaGeomCollPtr line = NULL;
    gaiaGeomCollPtr point = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    line = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!line)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_INTEGER)
      {
................................................................................
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[2]);
    n_bytes = sqlite3_value_bytes (argv[2]);
    point = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!point)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    commont_set_point (context, line, position, point);
................................................................................
/ returns a new Linestring by replacing its StartPoint
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr line = NULL;
    gaiaGeomCollPtr point = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    line = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!line)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    point = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!point)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    commont_set_point (context, line, 0, point);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaLinestringPtr ln;
    gaiaGeomCollPtr line = NULL;
    gaiaGeomCollPtr point = NULL;
    int position;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    line = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!line)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    point = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!point)
      {
	  gaiaFreeGeomColl (line);
	  sqlite3_result_null (context);
	  return;
      }
    if (is_single_linestring (line) && is_single_point (point))
................................................................................
    unsigned char *p_result = NULL;
    int iv;
    int out_iv;
    double x;
    double y;
    double m;
    double z;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    line = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!line)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_INTEGER)
      {
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr exterior = NULL;
    gaiaGeomCollPtr interiors = NULL;
    gaiaGeomCollPtr out;
    int len;
    unsigned char *p_result = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    exterior = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!exterior)
      {
	  sqlite3_result_null (context);
	  goto stop;
      }
    if (argc == 2)
      {
................................................................................
	  if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
	    {
		sqlite3_result_null (context);
		goto stop;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
	  n_bytes = sqlite3_value_bytes (argv[1]);

	  interiors = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
	  if (!interiors)
	    {
		sqlite3_result_null (context);
		goto stop;
	    }
      }
    out = gaiaMakePolygon (exterior, interiors);
................................................................................
    double size_x = 0.0;
    double size_y = 0.0;
    double size_z = 0.0;
    double size_m = 0.0;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr point = NULL;
    gaiaGeomCollPtr result = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
	  if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
	  n_bytes = sqlite3_value_bytes (argv[1]);

	  point = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
	  if (!point)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (!getXYZMSinglePoint
	      (point, &origin_x, &origin_y, &origin_z, &origin_m))
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  result =
	      gaiaSnapToGrid (geo, origin_x, origin_y, origin_z, origin_m,
			      size_x, size_y, size_z, size_m);
................................................................................
    gaiaGeomCollPtr geo = NULL;
    char p_result[8];
    int lon_band = 0;
    double lon_minutes = 0;
    int segmentNumber = 0;
    int lat_band = 0;
    double lat_minutes = 0;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
      {
	  sqlite3_result_null (context);
	  return;
      }
    gaiaNormalizeLonLat (geo);
    point = geo->FirstPoint;
................................................................................
    gaiaPolygonPtr polyg;
    gaiaPolygonPtr polyg2;
    gaiaRingPtr ring_in;
    gaiaRingPtr ring_out;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_INTEGER)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    entity = sqlite3_value_int (argv[1]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  point = geo->FirstPoint;
	  while (point)
	    {
................................................................................
    int int_value;
    unsigned char *p_blob;
    int n_bytes;
    int ret = 0;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaLinestringPtr ln;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	x1 = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1)
	sqlite3_result_null (context);
    else
      {
	  gaiaMbrGeometry (geo1);
	  geo2 = gaiaAllocGeomColl ();
	  ln = gaiaAddLinestringToGeomColl (geo2, 2);
................................................................................
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    double shift_x;
    double shift_y;
    int int_value;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	shift_x = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaShiftCoords (geo, shift_x, shift_y);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    double shift_x;
    double shift_y;
    double shift_z;
    int int_value;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	shift_x = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaShiftCoords3D (geo, shift_x, shift_y, shift_z);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaShiftLongitude (geo);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
/ NULL is returned if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaNormalizeLonLat (geo);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    double scale_x;
    double scale_y;
    int int_value;





    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	scale_x = sqlite3_value_double (argv[1]);
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaScaleCoords (geo, scale_x, scale_y);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    double angle;
    int int_value;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	angle = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaRotateCoords (geo, angle);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    int x_axis;
    int y_axis;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	x_axis = sqlite3_value_int (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaReflectCoords (geo, x_axis, y_axis);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaSwapCoords (geo);
	  gaiaToSpatiaLiteBlobWkb (geo, &p_result, &len);
	  if (!p_result)
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
      {
	  sqlite3_result_null (context);
	  return;
      }
    else
      {
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaOutBuffer out_buf;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    gaiaOutBufferInitialize (&out_buf);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  gaiaToEWKT (&out_buf, geo);
	  if (out_buf.Error || out_buf.Buffer == NULL)
	      sqlite3_result_null (context);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr geom_new = NULL;
    int len;
    int multi_linestring = 0;
    unsigned char *p_result = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
/ (or a set of Polygons)
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaPolygonize_r (data, geo, 0);
................................................................................
/
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    gaiaGeomCollPtr result;
    gaiaGeomCollPtr *p;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geom)
	return;
    p = sqlite3_aggregate_context (context, sizeof (gaiaGeomCollPtr));
    if (!(*p))
      {
	  /* this is the first row */
	  *p = geom;
................................................................................
/ Dissolves any LINESTRING or RING into elementary segments
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaDissolveSegments (geo);
	  if (result == NULL)
	      sqlite3_result_null (context);
................................................................................
/ Dissolves any LINESTRING or RING into elementary Vertices
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaDissolvePoints (geo);
	  if (result == NULL)
	      sqlite3_result_null (context);
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    int type;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	type = sqlite3_value_int (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  switch (type)
	    {
	    case 1:
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    double m_start;
    double m_end;
    int intval;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	m_start = sqlite3_value_double (argv[1]);
................................................................................
		return;
	    }
      }
    else
	m_end = m_start;
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaLocateBetweenMeasures (geo, m_start, m_end);
	  if (result == NULL)
	      sqlite3_result_null (context);
................................................................................

static void
fnct_Transform (sqlite3_context * context, int argc, sqlite3_value ** argv)
{
/* SQL function:
/ Transform(BLOBencoded geometry, srid)
/
/ returns a new geometry that is the original one received, but with the new SRID [no coordinates translation is applied]
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int srid_from;
    int srid_to;
    char *proj_from;
    char *proj_to;
    void *data = sqlite3_user_data (context);
    sqlite3 *sqlite = sqlite3_context_db_handle (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	srid_to = sqlite3_value_int (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  srid_from = geo->Srid;
	  getProjParams (sqlite, srid_from, &proj_from);
	  getProjParams (sqlite, srid_to, &proj_to);
	  if (proj_to == NULL || proj_from == NULL)
	    {
		if (proj_from)
		    free (proj_from);
		if (proj_to)
		    free (proj_to);
		gaiaFreeGeomColl (geo);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaGeomCollPtr geom;
    char *str;
    void *data = sqlite3_user_data (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (data != NULL)
	str = gaiaIsValidReason_r (data, geom);
    else
	str = gaiaIsValidReason (geom);
    if (str == NULL)
	sqlite3_result_null (context);
    else
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int len;
    gaiaGeomCollPtr geom;
    gaiaGeomCollPtr detail;
    unsigned char *p_result = NULL;
    void *data = sqlite3_user_data (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (data != NULL)
	detail = gaiaIsValidDetail_r (data, geom);
    else
	detail = gaiaIsValidDetail (geom);
    if (detail == NULL)
	sqlite3_result_null (context);
    else
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr boundary;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (gaiaIsEmpty (geo))
	      sqlite3_result_null (context);
	  else
................................................................................
/ 1 if this LINESTRING is closed [or if this is a MULTILINESTRING and every LINESTRINGs are closed] 
/ 0 otherwise
/ or -1 if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_int (context, -1);
    else
      {
	  sqlite3_result_int (context, gaiaIsClosedGeom (geo));
      }
    gaiaFreeGeomColl (geo);
................................................................................
/ 0 otherwise
/ or -1 if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int ret;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaIsSimple_r (data, geo);
................................................................................
/ or -1 if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int ret;
    gaiaGeomCollPtr geo = NULL;
    gaiaLinestringPtr line;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_int (context, -1);
    else
      {
	  line = simpleLinestring (geo);
	  if (!line < 0)
	      sqlite3_result_int (context, -1);
................................................................................
/ 0 otherwise
/ or -1 if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    int ret;
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaIsValid_r (data, geo);
................................................................................
    int ret;
    int use_ellipsoid = -1;
    double a;
    double b;
    double rf;
    gaiaGeomCollPtr geo = NULL;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
	    }
	  use_ellipsoid = sqlite3_value_int (argv[1]);
	  if (use_ellipsoid != 0)
	      use_ellipsoid = 1;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (use_ellipsoid >= 0)
	    {
		/* attempting to identify the corresponding ellipsoid */
................................................................................
#ifdef ENABLE_LWGEOM		/* only if LWGEOM is enabled */
    double a;
    double b;
    double rf;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
#endif /* end LWGEOM conditional */
    gaiaGeomCollPtr geo = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
	    }
	  use_ellipsoid = sqlite3_value_int (argv[1]);
	  if (use_ellipsoid != 0)
	      use_ellipsoid = 1;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (use_ellipsoid >= 0)
	    {
#ifdef ENABLE_LWGEOM		/* only if LWGEOM is enabled */
................................................................................
    int len;
    int ret;
    double x;
    double y;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (gaiaIsEmpty (geo))
	      sqlite3_result_null (context);
	  else
................................................................................
    int n_bytes;
    int len;
    double x;
    double y;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  int posret;
	  if (data != NULL)
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int int_value;
    double tolerance;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	tolerance = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaGeomCollSimplify_r (data, geo, tolerance);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int int_value;
    double tolerance;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	tolerance = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int len;
    unsigned char *p_result = NULL;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaConvexHull_r (data, geo);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    double radius;
    int int_value;
    int quadrantsegments = 30;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	radius = sqlite3_value_double (argv[1]);
................................................................................
	    }
	  quadrantsegments = sqlite3_value_int (argv[2]);
	  if (quadrantsegments <= 0)
	      quadrantsegments = 1;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaGeometryIntersection_r (data, geo1, geo2);
................................................................................
*/
    struct gaia_geom_chain *chain;
    struct gaia_geom_chain_item *item;
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    struct gaia_geom_chain **p;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geom)
	return;
    p = sqlite3_aggregate_context (context, sizeof (struct gaia_geom_chain **));
    if (!(*p))
      {
	  /* this is the first row */
	  chain = malloc (sizeof (struct gaia_geom_chain));
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaGeometryUnion_r (data, geo1, geo2);
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaGeometryDifference_r (data, geo1, geo2);
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaGeometrySymDifference_r (data, geo1, geo2);
................................................................................
/ or -1 if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollEquals_r (data, geo1, geo2);
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (blob1, bytes1);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (blob2, bytes2);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedIntersects (data,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (blob1, bytes1);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (blob2, bytes2);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedDisjoint (data,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (blob1, bytes1);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (blob2, bytes2);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedOverlaps (data,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (blob1, bytes1);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (blob2, bytes2);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedCrosses (data,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (blob1, bytes1);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (blob2, bytes2);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedTouches (data,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (blob1, bytes1);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (blob2, bytes2);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedWithin (data, geo1,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (blob1, bytes1);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (blob2, bytes2);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedContains (data,
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;
    const unsigned char *pattern;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
    if (sqlite3_value_type (argv[2]) != SQLITE_TEXT)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    pattern = sqlite3_value_text (argv[2]);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
................................................................................
    int use_ellipsoid = -1;
    double a;
    double b;
    double rf;
    int ret;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);
    void *data = sqlite3_user_data (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
	    }
	  use_ellipsoid = sqlite3_value_int (argv[2]);
	  if (use_ellipsoid != 0)
	      use_ellipsoid = 1;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  if (use_ellipsoid >= 0)
	    {
		/* attempting to identify the corresponding ellipsoid */
................................................................................
    int pg1 = 0;
    double dist;
    double a;
    double b;
    double rf;
    int ret;
    void *data = sqlite3_user_data (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
      {
	  int dst = sqlite3_value_int (argv[2]);
	  ref_dist = dst;
      }
    else
	ref_dist = sqlite3_value_double (argv[2]);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    double radius;
    int int_value;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	radius = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaOffsetCurve_r (data, geo, radius, 16, 0);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    double radius;
    int int_value;
    int left_right;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	radius = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    double dist;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaHausdorffDistance_r (data, geo1, geo2, &dist);
................................................................................
/ or NULL if any error is encountered
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo1 == NULL || geo2 == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaSharedPaths_r (data, geo1, geo2);
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (blob1, bytes1);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (blob2, bytes2);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedCovers (data, geo1,
................................................................................
    unsigned char *blob1;
    unsigned char *blob2;
    int bytes1;
    int bytes2;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_int (context, -1);
	  return;
      }
    blob1 = (unsigned char *) sqlite3_value_blob (argv[0]);
    bytes1 = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (blob1, bytes1);
    blob2 = (unsigned char *) sqlite3_value_blob (argv[1]);
    bytes2 = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (blob2, bytes2);
    if (!geo1 || !geo2)
	sqlite3_result_int (context, -1);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      ret = gaiaGeomCollPreparedCoveredBy (data,
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int int_value;
    double fraction;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	fraction = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaLineInterpolatePoint_r (data, geo, fraction);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int int_value;
    double distance;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	distance = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
/ - geom2 is expected to represent some POINT
*/
    unsigned char *p_blob;
    int n_bytes;
    double fraction;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo1 == NULL || geo2 == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      fraction = gaiaLineLocatePoint_r (data, geo1, geo2);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int int_value;
    double fraction1;
    double fraction2;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	fraction1 = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaLineSubstring_r (data, geo, fraction1, fraction2);
................................................................................
/ NULL is returned for invalid arguments (or if distance is ZERO)
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo1 == NULL || geo2 == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaShortestLine_r (data, geo1, geo2);
................................................................................
/ NULL is returned for invalid arguments (or if distance is ZERO)
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo1 == NULL || geo2 == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaShortestLine_r (data, geo1, geo2);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    int int_value;
    double tolerance;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo1 == NULL || geo2 == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaSnap_r (data, geo1, geo2, tolerance);
................................................................................
/ (or a set of lines)
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaLineMerge_r (data, geo);
................................................................................
/ exactly like Union, but using a single Collection
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result = gaiaUnaryUnion_r (data, geo);
................................................................................
    double origin_x = 0.0;
    double origin_y = 0.0;
    double size;
    int edges_only = 0;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr point = NULL;
    gaiaGeomCollPtr result = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
................................................................................
	  if (sqlite3_value_type (argv[3]) != SQLITE_BLOB)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[3]);
	  n_bytes = sqlite3_value_bytes (argv[3]);

	  point = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
	  if (!point)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (point->FirstLinestring != NULL)
	      goto no_point;
................................................................................
	    }
	  else
	      goto no_point;

      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (geo->FirstPoint != NULL)
	      goto no_polygon;
................................................................................
    double origin_x = 0.0;
    double origin_y = 0.0;
    double size;
    int edges_only = 0;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr point = NULL;
    gaiaGeomCollPtr result = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
................................................................................
	  if (sqlite3_value_type (argv[3]) != SQLITE_BLOB)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[3]);
	  n_bytes = sqlite3_value_bytes (argv[3]);

	  point = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
	  if (!point)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (point->FirstLinestring != NULL)
	      goto no_point;
................................................................................
	    }
	  else
	      goto no_point;

      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (geo->FirstPoint != NULL)
	      goto no_polygon;
................................................................................
    double origin_x = 0.0;
    double origin_y = 0.0;
    double size;
    int edges_only = 0;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr point = NULL;
    gaiaGeomCollPtr result = NULL;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
      {
................................................................................
	  if (sqlite3_value_type (argv[3]) != SQLITE_BLOB)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[3]);
	  n_bytes = sqlite3_value_bytes (argv[3]);

	  point = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
	  if (!point)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (point->FirstLinestring != NULL)
	      goto no_point;
................................................................................
	    }
	  else
	      goto no_point;

      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (geo->FirstPoint != NULL)
	      goto no_polygon;
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom1 = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geom2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geom1 == NULL || geom2 == NULL)
      {
	  if (geom1)
	      gaiaFreeGeomColl (geom1);
	  if (geom2)
	      gaiaFreeGeomColl (geom2);
	  sqlite3_result_null (context);
................................................................................
    gaiaPointPtr pt;
    gaiaLinestringPtr ln;
    gaiaPolygonPtr pg;
    gaiaGeomCollPtr geom = NULL;
    gaiaGeomCollPtr geom1 = NULL;
    gaiaGeomCollPtr geom2 = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }

/* checking if Geometry is a Polygon or MultiPolyhon */
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int int_value;
    double tolerance = 0.0;
    int only_edges = 0;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc >= 2)
      {
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int int_value;
    double tolerance = 0.0;
    double extra_frame_size = -1.0;
    int only_edges = 0;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc >= 2)
      {
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;
    int int_value;
    double tolerance = 0.0;
    double factor = 3.0;
    int allow_holes = 0;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc >= 2)
      {
................................................................................
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  void *data = sqlite3_user_data (context);
	  if (data != NULL)
	      result =
................................................................................
/ Attempts to make an invalid geometry valid without loosing vertices.
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaMakeValid (geo);
	  if (result == NULL)
	    {
................................................................................
/ discarded during the validation process.
/ NULL is returned for invalid arguments (or if no discarded items are found)
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaMakeValidDiscarded (geo);
	  if (result == NULL)
	      sqlite3_result_null (context);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    int int_value;
    double dist;
    gaiaGeomCollPtr geo = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	dist = sqlite3_value_double (argv[1]);
................................................................................
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geo == NULL)
	sqlite3_result_null (context);
    else
      {
	  result = gaiaSegmentize (geo, dist);
	  if (result == NULL)
	      sqlite3_result_null (context);
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr input = NULL;
    gaiaGeomCollPtr blade = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    input = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (input == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    blade = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (blade == NULL)
      {
	  gaiaFreeGeomColl (input);
	  sqlite3_result_null (context);
	  return;
      }
    else
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr input = NULL;
    gaiaGeomCollPtr blade = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    input = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (input == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    blade = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (blade == NULL)
      {
	  gaiaFreeGeomColl (input);
	  sqlite3_result_null (context);
	  return;
      }
    else
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr input = NULL;
    gaiaGeomCollPtr blade = NULL;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    input = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (input == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    blade = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (blade == NULL)
      {
	  gaiaFreeGeomColl (input);
	  sqlite3_result_null (context);
	  return;
      }
    else
................................................................................
    double y2;
    double a;
    double b;
    double rf;
    double azimuth;
    int srid;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
	  sqlite3_result_null (context);
	  return;
      }

/* retrieving and validating the first point */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (!getXYSinglePoint (geom, &x1, &y1))
      {
................................................................................
      }
    srid = geom->Srid;
    gaiaFreeGeomColl (geom);

/* retrieving and validating the second point */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (!getXYSinglePoint (geom, &x2, &y2))
      {
................................................................................
    double distance;
    double azimuth;
    double a;
    double b;
    double rf;
    int srid;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	distance = sqlite3_value_double (argv[1]);
................................................................................
	  sqlite3_result_null (context);
	  return;
      }

/* retrieving and validating the start point */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (!getXYSinglePoint (geom, &x1, &y1))
      {
................................................................................
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geom;
    int precision = 0;
    char *geo_hash;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc == 2)
      {
................................................................................
		sqlite3_result_null (context);
		return;
	    }
      }

    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    geo_hash = gaiaGeoHash (geom, precision);
    if (geo_hash != NULL)
................................................................................
    gaiaGeomCollPtr geom;
    int precision = 15;
    int options = 0;
    const char *refid = "";
    char *srs = NULL;
    char *x3d;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (argc >= 2)
      {
................................................................................
		sqlite3_result_null (context);
		return;
	    }
      }

    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (geom == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (geom->Srid > 0)
      {
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    double dist;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  ret = gaia3DDistance (geo1, geo2, &dist);
	  if (!ret)
	      sqlite3_result_null (context);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    double dist;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  ret = gaiaMaxDistance (geo1, geo2, &dist);
	  if (!ret)
	      sqlite3_result_null (context);
................................................................................
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr geo1 = NULL;
    gaiaGeomCollPtr geo2 = NULL;
    double dist;
    int ret;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo1 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    p_blob = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes = sqlite3_value_bytes (argv[1]);
    geo2 = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo1 || !geo2)
	sqlite3_result_null (context);
    else
      {
	  ret = gaia3DMaxDistance (geo1, geo2, &dist);
	  if (!ret)
	      sqlite3_result_null (context);
................................................................................
/ Returns a new new (Multi)Linestring by re-noding the input linestring(s)
/ NULL is returned for invalid arguments
*/
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr input;
    gaiaGeomCollPtr result;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }

/* retrieving the input geometry */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    input = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (input == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }

    result = gaiaNodeLines (input);
................................................................................
    unsigned char *p_blob;
    int n_bytes;
    gaiaGeomCollPtr input;
    gaiaGeomCollPtr noded;
    gaiaGeomCollPtr result;
    gaiaGeomCollPtr nodes_in;
    gaiaGeomCollPtr nodes_out;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }

/* retrieving the input geometry */
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    input = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (input == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }

/* checking the input (Linestrings only) */
................................................................................
	  x = atan (x);
	  sqlite3_result_double (context, x);
      }
    else
	sqlite3_result_null (context);
}













































static void
fnct_math_ceil (sqlite3_context * context, int argc, sqlite3_value ** argv)
{
/* SQL function:
/ ceil(double X)
/
/ Returns the smallest integer value not less than X
................................................................................
    const char *label_col_name = NULL;
    const char *text_height_col_name = NULL;
    const char *text_rotation_col_name = NULL;
    gaiaGeomCollPtr geom = NULL;
    int precision = 3;
    int ret = 1;
    sqlite3 *db_handle = sqlite3_context_db_handle (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) == SQLITE_TEXT)
	dir_path = (const char *) sqlite3_value_text (argv[0]);
    if (sqlite3_value_type (argv[1]) == SQLITE_TEXT)
	filename = (const char *) sqlite3_value_text (argv[1]);
    if (sqlite3_value_type (argv[2]) == SQLITE_TEXT)
	sql_query = (const char *) sqlite3_value_text (argv[2]);
    if (sqlite3_value_type (argv[3]) == SQLITE_TEXT)
................................................................................
	text_height_col_name = (const char *) sqlite3_value_text (argv[6]);
    if (sqlite3_value_type (argv[7]) == SQLITE_TEXT)
	text_rotation_col_name = (const char *) sqlite3_value_text (argv[7]);
    if (sqlite3_value_type (argv[8]) == SQLITE_BLOB)
      {
	  p_blob = (unsigned char *) sqlite3_value_blob (argv[8]);
	  n_bytes = sqlite3_value_bytes (argv[8]);
	  geom = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
      }
    if (argc == 10)
      {
	  if (sqlite3_value_type (argv[9]) == SQLITE_INTEGER)
	      precision = sqlite3_value_int (argv[9]);
      }
    if (dir_path == NULL || filename == NULL || sql_query == NULL
................................................................................
    double rf;
    gaiaGeomCollPtr geo = NULL;
    gaiaLinestringPtr line;
    gaiaPolygonPtr polyg;
    gaiaRingPtr ring;
    int ib;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (getEllipsoidParams (sqlite, geo->Srid, &a, &b, &rf))
	    {
		line = geo->FirstLinestring;
................................................................................
    double rf;
    gaiaGeomCollPtr geo = NULL;
    gaiaLinestringPtr line;
    gaiaPolygonPtr polyg;
    gaiaRingPtr ring;
    int ib;
    sqlite3 *sqlite = sqlite3_context_db_handle (context);


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    p_blob = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes = sqlite3_value_bytes (argv[0]);
    geo = gaiaFromSpatiaLiteBlobWkb (p_blob, n_bytes);
    if (!geo)
	sqlite3_result_null (context);
    else
      {
	  if (getEllipsoidParams (sqlite, geo->Srid, &a, &b, &rf))
	    {
		line = geo->FirstLinestring;
................................................................................
/            double xoff, double yoff) - 2D
/    or
/ ATM_Create(double a, double b, double c, double d, 
/            double e, double f, double g, double h,
/            double i, double xoff, double yoff,
/            double zoff) - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
					    sqlite3_value ** argv)
{
/* SQL function:
/ ATM_CreateTranslate(double tx, double ty) - 2D
/    or
/ ATM_CreateTranslate(double tx, double ty, double tz) - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
					sqlite3_value ** argv)
{
/* SQL function:
/ ATM_CreateScale(double sx, double sy) - 2D
/    or
/ ATM_CreateScale(double sx, double sy, double sz - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
					 sqlite3_value ** argv)
{
/* SQL function:
/ ATM_CreateRotate(double angleInDegrees) - 2D
/    or
/ ATM_CreateZRoll(double angeInDegrees) - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
static void
fnct_AffineTransformMatrix_CreateXRoll (sqlite3_context * context, int argc,
					sqlite3_value ** argv)
{
/* SQL function:
/ ATM_CreateXRoll(double angleInDegrees) - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
static void
fnct_AffineTransformMatrix_CreateYRoll (sqlite3_context * context, int argc,
					sqlite3_value ** argv)
{
/* SQL function:
/ ATM_CreateYRoll(double angleInDegrees) - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................

static void
fnct_AffineTransformMatrix_Multiply (sqlite3_context * context, int argc,
				     sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Multiply(blob atmA, blob atmB)
/
/ will create a BLOB-encoded Affine Transform Matrix
/ by multiplying atmA by atmB
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    unsigned char *blob;
    int blob_sz;
    const unsigned char *iblob1;
    int iblob1_sz;
................................................................................
}

static void
fnct_AffineTransformMatrix_Translate (sqlite3_context * context, int argc,
				      sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Translate(double tx, double ty, blob atm) - 2D
/    or
/ ATM_Translate(double tx, double ty, double tz, blob atm) - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
................................................................................
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (argc == 3)
      {
	  /* 2D translate */
	  if (sqlite3_value_type (argv[0]) == SQLITE_FLOAT)
	      xoff = sqlite3_value_double (argv[0]);
	  else if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[0]);

		xoff = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	      yoff = sqlite3_value_double (argv[1]);
	  else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[1]);
		yoff = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[2]) == SQLITE_BLOB)


	    {
		iblob = sqlite3_value_blob (argv[2]);

		iblob_sz = sqlite3_value_bytes (argv[2]);
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    else if (argc == 4)
      {
	  /* 3D translate */
	  if (sqlite3_value_type (argv[0]) == SQLITE_FLOAT)
	      xoff = sqlite3_value_double (argv[0]);
	  else if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[0]);

		xoff = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	      yoff = sqlite3_value_double (argv[1]);
	  else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[1]);
		yoff = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[2]) == SQLITE_FLOAT)
	      zoff = sqlite3_value_double (argv[2]);
	  else if (sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[2]);
		zoff = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[3]) == SQLITE_BLOB)


	    {
		iblob = sqlite3_value_blob (argv[3]);

		iblob_sz = sqlite3_value_bytes (argv[3]);
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
................................................................................
}

static void
fnct_AffineTransformMatrix_Scale (sqlite3_context * context, int argc,
				  sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Scale(double sx, double sy, blob atm) - 2D
/    or
/ ATM_Scale(double sx, double sy, double sz, blob atm) - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
................................................................................
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (argc == 3)
      {
	  /* 2D scale */
	  if (sqlite3_value_type (argv[0]) == SQLITE_FLOAT)
	      a = sqlite3_value_double (argv[0]);
	  else if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[0]);

		a = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	      e = sqlite3_value_double (argv[1]);
	  else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[1]);
		e = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[2]) == SQLITE_BLOB)


	    {
		iblob = sqlite3_value_blob (argv[2]);

		iblob_sz = sqlite3_value_bytes (argv[2]);
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
    else if (argc == 4)
      {
	  /* 3D scale */
	  if (sqlite3_value_type (argv[0]) == SQLITE_FLOAT)
	      a = sqlite3_value_double (argv[0]);
	  else if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[0]);

		a = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[1]) == SQLITE_FLOAT)
	      e = sqlite3_value_double (argv[1]);
	  else if (sqlite3_value_type (argv[1]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[1]);
		e = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[2]) == SQLITE_FLOAT)
	      i = sqlite3_value_double (argv[2]);
	  else if (sqlite3_value_type (argv[2]) == SQLITE_INTEGER)
	    {
		int_value = sqlite3_value_int (argv[2]);
		i = int_value;
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
	  if (sqlite3_value_type (argv[3]) == SQLITE_BLOB)


	    {
		iblob = sqlite3_value_blob (argv[3]);

		iblob_sz = sqlite3_value_bytes (argv[3]);
	    }
	  else
	    {
		sqlite3_result_null (context);
		return;
	    }
      }
................................................................................
}

static void
fnct_AffineTransformMatrix_Rotate (sqlite3_context * context, int argc,
				   sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Rotate(double angleInDegrees, blob atm) - 2D
/    or
/ ATM_ZRoll(double angleInDegrees, blob atm) - 3D
/
/ will create a BLOB-encoded Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    double a = 1.0;
    double b = 0.0;
................................................................................
    unsigned char *blob;
    int blob_sz;
    const unsigned char *iblob;
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_FLOAT)
	angle = sqlite3_value_double (argv[0]);
    else if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
      {
	  int_value = sqlite3_value_int (argv[0]);

	  angle = int_value;
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_BLOB)


      {
	  iblob = sqlite3_value_blob (argv[1]);
	  iblob_sz = sqlite3_value_bytes (argv[1]);
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    rads = angle * coeff;
    vsin = sin (rads);
................................................................................
    unsigned char *blob;
    int blob_sz;
    const unsigned char *iblob;
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_FLOAT)
	angle = sqlite3_value_double (argv[0]);
    else if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
      {
	  int_value = sqlite3_value_int (argv[0]);

	  angle = int_value;
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_BLOB)


      {
	  iblob = sqlite3_value_blob (argv[1]);

	  iblob_sz = sqlite3_value_bytes (argv[1]);
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    rads = angle * coeff;
................................................................................
    unsigned char *blob;
    int blob_sz;
    const unsigned char *iblob;
    int iblob_sz;
    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */

/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_FLOAT)
	angle = sqlite3_value_double (argv[0]);
    else if (sqlite3_value_type (argv[0]) == SQLITE_INTEGER)
      {
	  int_value = sqlite3_value_int (argv[0]);

	  angle = int_value;
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) == SQLITE_BLOB)


      {
	  iblob = sqlite3_value_blob (argv[1]);

	  iblob_sz = sqlite3_value_bytes (argv[1]);
      }
    else
      {
	  sqlite3_result_null (context);
	  return;
      }
    rads = angle * coeff;
................................................................................
				 xoff, yoff, zoff, &blob, &blob_sz);
    if (blob == NULL)
	sqlite3_result_null (context);
    else
	sqlite3_result_blob (context, blob, blob_sz, free);
}

static void









































































































fnct_AffineTransformMatrix_GeometryTransform (sqlite3_context * context,
					      int argc, sqlite3_value ** argv)
{
/* SQL function:
/ ATM_Transform(blob geom, blob atm)
/
/ will create a BLOB-Geometry by applying to the input Geometry all
/ transformations specified by the Affine Transform Matrix
/ 
/ returns a BLOB-ATM object or NULL on failure
*/
    unsigned char *blob;
................................................................................
    int blob_sz;
    const unsigned char *iblob1;
    int iblob1_sz;
    const unsigned char *iblob2;
    int iblob2_sz;
    gaiaGeomCollPtr g1;
    gaiaGeomCollPtr g2;



    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */



/* validating the input args */
    if (sqlite3_value_type (argv[0]) == SQLITE_BLOB)
      {
	  iblob1 = sqlite3_value_blob (argv[0]);
	  iblob1_sz = sqlite3_value_bytes (argv[0]);
      }
................................................................................
	  iblob2 = sqlite3_value_blob (argv[1]);
	  iblob2_sz = sqlite3_value_bytes (argv[1]);
      }
    else
      {
	  sqlite3_result_null (context);
	  return;










      }

/* attempting to parse the BLOB-Geometry */
    g1 = gaiaFromSpatiaLiteBlobWkb (iblob1, iblob1_sz);
    if (g1 == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    g2 = gaia_matrix_transform_geometry (g1, iblob2, iblob2_sz);
    gaiaFreeGeomColl (g1);
    if (g2 == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }


    gaiaToSpatiaLiteBlobWkb (g2, &blob, &blob_sz);
    gaiaFreeGeomColl (g2);
    if (blob == NULL)
	sqlite3_result_null (context);
    else
	sqlite3_result_blob (context, blob, blob_sz, free);
}
................................................................................
    text = gaia_matrix_as_text (blob, blob_sz);
    if (text == NULL)
	sqlite3_result_null (context);
    else
	sqlite3_result_text (context, text, strlen (text), sqlite3_free);
}



static int
get_control_point (gaiaGeomCollPtr geom, double *x, double *y, double *z,
		   int *has3d)
{
/* checking a Control Point */
    gaiaPointPtr pt;
    if (geom == NULL)
................................................................................
    if (has3d_0 != cp->has3d)
	return 0;
    if (has3d_1 != cp->has3d)
	return 0;
    return 1;
}

#ifdef ENABLE_CONTROL_POINTS	/* only if ControlPoints enabled */

static void
fnct_AffineTransformMatrix_ControlPoints_step (sqlite3_context * context,
					       int argc, sqlite3_value ** argv)
{
/* SQL function:
/ ATM_ControlPoints(BLOB point1, BLOB point2 [ , int tps ] )
/
/ aggregate function - STEP
/
*/
    unsigned char *p_blob0;
    int n_bytes0;
    unsigned char *p_blob1;
................................................................................
    double y0;
    double z0;
    double x1;
    double y1;
    double z1;
    int has3d_0;
    int has3d_1;

    int tps = 0;
    GaiaControlPointsPtr *cp;


    GAIA_UNUSED ();		/* LCOV_EXCL_LINE */


    if (sqlite3_value_type (argv[0]) != SQLITE_BLOB)
      {
	  sqlite3_result_null (context);
	  return;
      }
    if (sqlite3_value_type (argv[1]) != SQLITE_BLOB)
      {
................................................................................
    if (argc == 3)
      {
	  if (sqlite3_value_type (argv[2]) != SQLITE_INTEGER)
	    {
		sqlite3_result_null (context);
		return;
	    }
	  tps = sqlite3_value_int (argv[2]);













      }
    p_blob0 = (unsigned char *) sqlite3_value_blob (argv[0]);
    n_bytes0 = sqlite3_value_bytes (argv[0]);
    p_blob1 = (unsigned char *) sqlite3_value_blob (argv[1]);
    n_bytes1 = sqlite3_value_bytes (argv[1]);
    geom0 = gaiaFromSpatiaLiteBlobWkb (p_blob0, n_bytes0);
    geom1 = gaiaFromSpatiaLiteBlobWkb (p_blob1, n_bytes1);
    if (!get_control_point (geom0, &x0, &y0, &z0, &has3d_0))
	goto error;
    if (!get_control_point (geom1, &x1, &y1, &z1, &has3d_1))
	goto error;
    if (has3d_0 != has3d_1)
	goto error;
    cp = sqlite3_aggregate_context (context,
				    sizeof (struct gaia_control_points));
    if (*cp == NULL)
      {
	  /* this is the first row */
	  *cp = gaiaCreateControlPoints (1024, has3d_0, tps);
	  if (has3d_0)
	      gaiaAddControlPoint3D (*cp, x0, y0, z0, x1, y1, z1);
	  else
	      gaiaAddControlPoint2D (*cp, x0, y0, x1, y1);
      }
    else
      {
................................................................................
	gaiaFreeGeomColl (geom0);
    if (geom1 != NULL)
	gaiaFreeGeomColl (geom1);
    sqlite3_result_null (context);
}

static void
fnct_AffineTransformMatrix_ControlPoints_final (sqlite3_context * context)
{
/* SQL function:
/ ATM_ControlPoints(BLOB point1, BLOB point2 [ , int tps ] )
/
/ aggregate function - FINAL
/
*/
    double a = 1.0;
    double b = 0.0;
    double c = 0.0;
    double d = 0.0;
    double e = 1.0;
    double f = 0.0;
    double g = 0.0;
    double h = 0.0;
    double i = 1.0;
    double xoff = 0.0;
    double yoff = 0.0;
    double zoff = 0.0;
    unsigned char *blob = NULL;
    int blob_sz;
    int ret;
    GaiaControlPointsPtr *cp = sqlite3_aggregate_context (context, 0);
    if (cp == NULL)
      {
	  sqlite3_result_null (context);
	  return;
      }
    ret = gaiaAffineFromControlPoints (*cp);
    if (ret)





      {



	  struct gaia_control_points *xcp = (struct gaia_control_points *) *cp;
	  if (xcp->affine_valid)
	    {






















		if (xcp->has3d)
		  {





		      /* 3D affine transform matrix */
		      a = xcp->a;
		      b = xcp->b;
		      c = xcp->c;
		      d = xcp->d;
		      e = xcp->e;
		      f = xcp->f;
		      g = xcp->g;
		      h = xcp->h;
		      i = xcp->i;
		      xoff = xcp->xoff;
		      yoff = xcp->yoff;
		      zoff = xcp->zoff;
		  }
		else
		  {


		      /* 2D affine transform matrix */
		      a = xcp->a;
		      b = xcp->b;
		      d = xcp->d;
		      e = xcp->e;
		      xoff = xcp->xoff;
		      yoff = xcp->yoff;
		  }




	    }




      }







    gaiaFreeControlPoints (*cp);
    if (!ret)







	sqlite3_result_null (context);





    else
      {





	  /* creating the BLOB-encoded Affine Transform Matrix */
	  gaia_matrix_create (a, b, c, d, e, f, g, h, i, xoff, yoff, zoff,
			      &blob, &blob_sz);

	  if (blob == NULL)
	      sqlite3_result_null (context);
	  else
	      sqlite3_result_blob (context, blob, blob_sz, free);
      }
}






































































































#endif /* end including CONTROL_POINTS */



































































































#ifdef LOADABLE_EXTENSION
static void
splite_close_callback (void *p_cache)
{
/*
/ the DB connection has been terminated 
/
/ this callback function is expected to be invoked only if 
/ SpatiaLite wasloaded as a dynamic extension and will
/ perform a final clean-up releasing the internal cache
/
*/
    struct splite_internal_cache *cache =
	(struct splite_internal_cache *) p_cache;

    if (cache == NULL)
................................................................................
    sqlite3_create_function_v2 (db, "UpdateMetaCatalogStatistics", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_UpdateMetaCatalogStatistics, 0, 0, 0);
    sqlite3_create_function_v2 (db, "UpdateMetaCatalogStatistics", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_UpdateMetaCatalogStatistics, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsText", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsText, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsText", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsText, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsWkt", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsWkt, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsWkt", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsWkt, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsSvg", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsSvg1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsSvg", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsSvg2, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsSvg", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsSvg3, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CloneTable", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CloneTable, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CloneTable", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CloneTable, 0, 0, 0);
................................................................................
				fnct_AsKml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsKml", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_AsKml, 0, 0, 0);
#endif /* end including PROJ.4 */

    sqlite3_create_function_v2 (db, "AsGml", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsGml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsGml", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsGml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsGml", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsGml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromGml", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_FromGml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsGeoJSON", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsGeoJSON, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsGeoJSON", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsGeoJSON, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsGeoJSON", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsGeoJSON, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromGeoJSON", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FromGeoJSON, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromKml", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FromKml, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsFGF", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsFGF, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromEWKB", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FromEWKB, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsEWKB", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ToEWKB, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsEWKT", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ToEWKT, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromEWKT", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FromEWKT, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsBinary", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsBinary, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsBinary", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsBinary, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromText", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeomFromText1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromText", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeomFromText2, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "GeomFromFGF", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryFromFGF1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeomFromFGF", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryFromFGF2, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CompressGeometry", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CompressGeometry, 0, 0, 0);
    sqlite3_create_function_v2 (db, "UncompressGeometry", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_UncompressGeometry, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SanitizeGeometry", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SanitizeGeometry, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToInteger", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToInteger, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToDouble", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToDouble, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "FileNameFromPath", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FileNameFromPath, 0, 0, 0);
    sqlite3_create_function_v2 (db, "FileExtFromPath", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FileExtFromPath, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToLinestring", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToLinestring, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToPolygon", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToPolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToMultiPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToMultiPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToMultiLinestring", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToMultiLinestring, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToMultiPolygon", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToMultiPolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToGeometryCollection", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToGeometryCollection, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToMulti", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToMulti, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Multi", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToMulti, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToSingle", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToSingle, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToXY", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToXY, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToXYZ", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToXYZ, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToXYM", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToXYM, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CastToXYZM", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CastToXYZM, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ExtractMultiPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ExtractMultiPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ExtractMultiLinestring", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ExtractMultiLinestring, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ExtractMultiPolygon", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ExtractMultiPolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Reverse", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Reverse, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_ForceLHR", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ForceLHR, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Dimension", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Dimension, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Dimension", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Dimension, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CoordDimension", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CoordDimension, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_NDims", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NDims, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeometryType", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryType, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_GeometryType", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryType, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeometryAliasType", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryAliasType, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SridFromAuthCRS", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SridFromAuthCRS, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SRID", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SRID, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SRID", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SRID, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SetSRID", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SetSRID, 0, 0, 0);
    sqlite3_create_function_v2 (db, "IsEmpty", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_IsEmpty, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_IsEmpty", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_IsEmpty, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "Envelope", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Envelope, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Envelope", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Envelope, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Expand", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Expand, 0, 0, 0);
    sqlite3_create_function_v2 (db, "X", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
				0, fnct_X, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Y", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
				0, fnct_Y, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Z", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
				0, fnct_Z, 0, 0, 0);
    sqlite3_create_function_v2 (db, "M", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
				0, fnct_M, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_X", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0, fnct_X,
				0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Y", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0, fnct_Y,
				0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Z", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0, fnct_Z,
				0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_M", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0, fnct_M,
				0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MinX", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrMinX, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MinY", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrMinY, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MinZ", 1,
................................................................................
    sqlite3_create_function_v2 (db, "ST_MaxZ", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MaxZ, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MaxM", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MaxM, 0, 0, 0);
    sqlite3_create_function_v2 (db, "NumPoints", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NumPoints, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_NumPoints", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NumPoints, 0, 0, 0);
    sqlite3_create_function_v2 (db, "StartPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_StartPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "EndPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_EndPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_StartPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_StartPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_EndPoint", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_EndPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "PointN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_PointN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_PointN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_PointN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ExteriorRing", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ExteriorRing, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_ExteriorRing", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ExteriorRing, 0, 0, 0);
    sqlite3_create_function_v2 (db, "NumInteriorRing", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NumInteriorRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "NumInteriorRings", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NumInteriorRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_NumInteriorRing", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NumInteriorRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "InteriorRingN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_InteriorRingN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_InteriorRingN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_InteriorRingN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "NumGeometries", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NumGeometries, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_NumGeometries", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NumGeometries, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeometryN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_GeometryN", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeometryN, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MBRContains", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrContains, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MbrDisjoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrDisjoint, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "MbrIntersects", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_EnvIntersects", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_EnvIntersects", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_EnvIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_EnvelopesIntersects", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_EnvelopesIntersects", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_EnvIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MBROverlaps", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrOverlaps, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MbrTouches", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrTouches, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MbrWithin", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrWithin, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ShiftCoords", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ShiftCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ShiftCoordinates", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ShiftCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Translate", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Translate, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Shift_Longitude", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ShiftLongitude, 0, 0, 0);
    sqlite3_create_function_v2 (db, "NormalizeLonLat", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NormalizeLonLat, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ScaleCoords", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ScaleCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ScaleCoordinates", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ScaleCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ScaleCoords", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ScaleCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ScaleCoordinates", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ScaleCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "RotateCoords", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_RotateCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "RotateCoordinates", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_RotateCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ReflectCoords", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ReflectCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ReflectCoordinates", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ReflectCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SwapCoords", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SwapCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SwapCoordinates", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SwapCoords, 0, 0, 0);
    sqlite3_create_function_v2 (db, "BuildMbr", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_BuildMbr1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "BuildMbr", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_BuildMbr2, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "BuildCircleMbr", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_BuildCircleMbr1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "BuildCircleMbr", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_BuildCircleMbr2, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Extent", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0, 0,
				fnct_Extent_step, fnct_Extent_final, 0);
    sqlite3_create_function_v2 (db, "MbrMinX", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrMinX, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MbrMaxX", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MbrMaxX, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "MakePointZM", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakePointZM1, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakePointZM", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakePointZM2, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakeLine", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0, 0,
				fnct_MakeLine_step, fnct_MakeLine_final, 0);
    sqlite3_create_function_v2 (db, "MakeLine", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakeLine, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakeCircle", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakeCircle, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakeCircle", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakeCircle, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "FilterMbrContains", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FilterMbrContains, 0, 0, 0);
    sqlite3_create_function_v2 (db, "FilterMbrIntersects", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_FilterMbrIntersects, 0, 0, 0);
    sqlite3_create_function_v2 (db, "LinesFromRings", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_LinesFromRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_LinesFromRings", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_LinesFromRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "LinesFromRings", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_LinesFromRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_LinesFromRings", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_LinesFromRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_NPoints", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NPoints, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_nrings", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_NRings, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ToGARS", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_ToGARS, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GARSMbr", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GARSMbr, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SnapToGrid", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SnapToGrid", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SnapToGrid", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SnapToGrid", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SnapToGrid", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SnapToGrid", 5,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SnapToGrid", 6,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SnapToGrid", 6,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SnapToGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AddPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AddPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AddPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AddPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AddPoint", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AddPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AddPoint", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AddPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "RemovePoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_RemovePoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_RemovePoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_RemovePoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SetPoint", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SetPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SetPoint", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SetPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SetStartPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SetStartPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SetStartPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SetStartPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SetEndPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SetEndPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SetEndPoint", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SetEndPoint, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakePolygon", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakePolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MakePolygon", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakePolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakePolygon", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakePolygon, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MakePolygon", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakePolygon, 0, 0, 0);

    sqlite3_create_function_v2 (db, "ATM_Create", 0,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_Create, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_Create", 6,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
................................................................................
				fnct_AffineTransformMatrix_XRoll, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_YRoll", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_YRoll, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_ZRoll", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_Rotate, 0, 0, 0);











    sqlite3_create_function_v2 (db, "ATM_IsValid", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_IsValid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_AsText", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_AsText, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ATM_Transform", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AffineTransformMatrix_GeometryTransform, 0,
				0, 0);





#ifdef ENABLE_CONTROL_POINTS	/* only if ControlPoints enabled */
    sqlite3_create_function_v2 (db, "ATM_ControlPoints", 2,








				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0, 0,

				fnct_AffineTransformMatrix_ControlPoints_step,
				fnct_AffineTransformMatrix_ControlPoints_final,
				0);
    sqlite3_create_function_v2 (db, "ATM_ControlPoints", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0, 0,

				fnct_AffineTransformMatrix_ControlPoints_step,
				fnct_AffineTransformMatrix_ControlPoints_final,
				0);









#endif /* end including CONTROL_POINTS */

#ifndef OMIT_GEOS		/* including GEOS */
    sqlite3_create_function_v2 (db, "BuildArea", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_BuildArea, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_BuildArea", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
................................................................................
				fnct_Polygonize_step, fnct_Polygonize_final, 0);
    sqlite3_create_function_v2 (db, "ST_Polygonize", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache, 0,
				fnct_Polygonize_step, fnct_Polygonize_final, 0);
#endif /* end including GEOS */

    sqlite3_create_function_v2 (db, "DissolveSegments", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_DissolveSegments, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_DissolveSegments", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_DissolveSegments, 0, 0, 0);
    sqlite3_create_function_v2 (db, "DissolvePoints", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_DissolvePoints, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_DissolvePoints", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_DissolvePoints, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CollectionExtract", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CollectionExtract, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_CollectionExtract", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_CollectionExtract, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Locate_Along_Measure", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_LocateBetweenMeasures, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_LocateAlong", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_LocateBetweenMeasures, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Locate_Between_Measures", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_LocateBetweenMeasures, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_LocateBetween", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_LocateBetweenMeasures, 0, 0, 0);
#ifndef OMIT_GEOCALLBACKS	/* supporting RTree geometry callbacks */
    sqlite3_rtree_geometry_callback (db, "RTreeWithin", fnct_RTreeIntersects,
				     0);
    sqlite3_rtree_geometry_callback (db, "RTreeContains",
				     fnct_RTreeIntersects, 0);
    sqlite3_rtree_geometry_callback (db, "RTreeIntersects",
................................................................................
	  sqlite3_create_function_v2 (db, "ImportDXFfromDir", 1,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				      fnct_ImportDXFfromDir, 0, 0, 0);
	  sqlite3_create_function_v2 (db, "ImportDXFfromDir", 8,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				      fnct_ImportDXFfromDir, 0, 0, 0);
	  sqlite3_create_function_v2 (db, "ExportDXF", 9,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				      fnct_ExportDXF, 0, 0, 0);
	  sqlite3_create_function_v2 (db, "ExportDXF", 10,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				      fnct_ExportDXF, 0, 0, 0);
	  sqlite3_create_function_v2 (db, "ImportDBF", 3,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				      fnct_ImportDBF, 0, 0, 0);
	  sqlite3_create_function_v2 (db, "ImportDBF", 4,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				      fnct_ImportDBF, 0, 0, 0);
................................................................................
	  sqlite3_create_function_v2 (db, "ImportXLS", 4,
				      SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				      fnct_ImportXLS, 0, 0, 0);
#endif /* end FREEXL support */

      }



















/* some Geodesic functions */
    sqlite3_create_function_v2 (db, "GreatCircleLength", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GreatCircleLength, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeodesicLength", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeodesicLength, 0, 0, 0);

/* some Length Unit conversion functions */
    sqlite3_create_function_v2 (db, "CvtToKm", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_cvtToKm, 0, 0, 0);
    sqlite3_create_function_v2 (db, "CvtToDm", 1,
................................................................................
				fnct_math_acos, 0, 0, 0);
    sqlite3_create_function_v2 (db, "asin", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_math_asin, 0, 0, 0);
    sqlite3_create_function_v2 (db, "atan", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_math_atan, 0, 0, 0);



    sqlite3_create_function_v2 (db, "ceil", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_math_ceil, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ceiling", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_math_ceil, 0, 0, 0);
    sqlite3_create_function_v2 (db, "cos", 1,
................................................................................
    sqlite3_create_function_v2 (db, "Boundary", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Boundary, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Boundary", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_Boundary, 0, 0, 0);
    sqlite3_create_function_v2 (db, "IsClosed", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_IsClosed, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_IsClosed", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_IsClosed, 0, 0, 0);
    sqlite3_create_function_v2 (db, "IsSimple", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_IsSimple, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_IsSimple", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_IsSimple, 0, 0, 0);
................................................................................
    sqlite3_create_function_v2 (db, "ST_HexagonalGrid", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_HexagonalGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_HexagonalGrid", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_HexagonalGrid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "LinesCutAtNodes", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_LinesCutAtNodes, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_LinesCutAtNodes", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_LinesCutAtNodes, 0, 0, 0);
    sqlite3_create_function_v2 (db, "RingsCutAtNodes", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_RingsCutAtNodes, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_RingsCutAtNodes", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_RingsCutAtNodes, 0, 0, 0);

#ifdef GEOS_ADVANCED		/* GEOS advanced features - 3.4.0 */

    sqlite3_create_function_v2 (db, "DelaunayTriangulation", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, cache,
				fnct_DelaunayTriangulation, 0, 0, 0);
................................................................................

    sqlite3_create_function_v2 (db, "LWGEOM_GetLastErrorMsg", 0, SQLITE_UTF8,
				0, fnct_LWGEOM_GetLastErrorMsg, 0, 0, 0);
    sqlite3_create_function_v2 (db, "LWGEOM_GetLastWarningMsg", 0, SQLITE_UTF8,
				0, fnct_LWGEOM_GetLastWarningMsg, 0, 0, 0);

    sqlite3_create_function_v2 (db, "MakeValid", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakeValid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MakeValid", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakeValid, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MakeValidDiscarded", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakeValidDiscarded, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MakeValidDiscarded", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MakeValidDiscarded, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Area", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Area, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Area", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Area, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Segmentize", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Segmentize, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Segmentize", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Segmentize, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Azimuth", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Azimuth, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Azimuth", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Azimuth, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Project", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Project, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Project", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Project, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeoHash", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeoHash, 0, 0, 0);
    sqlite3_create_function_v2 (db, "GeoHash", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeoHash, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_GeoHash", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeoHash, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_GeoHash", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_GeoHash, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsX3D", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsX3D", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsX3D", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "AsX3D", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsX3D", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsX3D", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsX3D", 3,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_AsX3D", 4,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_AsX3D, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_3DDistance", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_3DDistance, 0, 0, 0);
    sqlite3_create_function_v2 (db, "MaxDistance", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MaxDistance, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_MaxDistance", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_MaxDistance, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_3DMaxDistance", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_3DMaxDistance, 0, 0, 0);
    sqlite3_create_function_v2 (db, "Split", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Split, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Split", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Split, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SplitLeft", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SplitLeft, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SplitLeft", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SplitLeft, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SplitRight", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SplitRight, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SplitRight", 2,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SplitRight, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_Node", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_Node, 0, 0, 0);
    sqlite3_create_function_v2 (db, "SelfIntersections", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SelfIntersections, 0, 0, 0);
    sqlite3_create_function_v2 (db, "ST_SelfIntersections", 1,
				SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
				fnct_SelfIntersections, 0, 0, 0);

#endif /* end LWGEOM support */

#endif /* end including GEOS */

#ifdef ENABLE_LIBXML2		/* including LIBXML2 */

(implementing XML support - ISO Metadata and SLD/SE Styles) 

*/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>

#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#include <spatialite/sqlite.h>
#include <spatialite/debug.h>
#include <spatialite.h>
#include <spatialite_private.h>

#ifdef _WIN32
#define strcasecmp	_stricmp
#endif /* not WIN32 */

static int
parse_proj4 (const char *proj4, const char *key, char **value)
................................................................................
	  sqlite3_finalize (stmt);
	  stmt = NULL;
	  if (result != NULL)
	      return result;
      }
    return NULL;
}

static void
getProjParamsFromSpatialReferenceSystemTable (sqlite3 * sqlite, int srid,
					      char **proj_params)
{
/* retrives the PROJ params from SPATIAL_SYS_REF table, if possible */
    char *sql;
    char **results;
    int rows;
    int columns;
    int i;
    int ret;
    int len;
    const char *proj4text;
    char *errMsg = NULL;
    *proj_params = NULL;
    sql =
	sqlite3_mprintf
	("SELECT proj4text FROM spatial_ref_sys WHERE srid = %d", srid);
    ret = sqlite3_get_table (sqlite, sql, &results, &rows, &columns, &errMsg);
    sqlite3_free (sql);
    if (ret != SQLITE_OK)
      {
	  spatialite_e ("unknown SRID: %d\t<%s>\n", srid, errMsg);
	  sqlite3_free (errMsg);
	  return;
      }
    for (i = 1; i <= rows; i++)
      {
	  proj4text = results[(i * columns)];
	  if (proj4text != NULL)
	    {
		len = strlen (proj4text);
		*proj_params = malloc (len + 1);
		strcpy (*proj_params, proj4text);
	    }
      }
    if (*proj_params == NULL)
      {
	  spatialite_e ("unknown SRID: %d\n", srid);
      }
    sqlite3_free_table (results);
}

static int
coordinates_system_matches (struct epsg_defs *iter, const char *organization,
			    const int organization_coordsys_id)
{
    if (organization == NULL)
      {
	  /* we didn't have a good lookup on the target database, so use best-efforts lookup */
	  return ((iter->srid == organization_coordsys_id)
		  && (iter->proj4text != NULL));
      }
    else
      {
	  return ((strcasecmp (iter->auth_name, organization) == 0)
		  && (iter->auth_srid == organization_coordsys_id)
		  && (iter->proj4text != NULL));
      }
}

static void
getProjParamsFromGeopackageTable (sqlite3 * sqlite, int srid,
				  char **proj_params)
{
    char *sql;
    char **results;
    int rows;
    int columns;
    int ret;
    int len;
    char *errMsg = NULL;
    struct epsg_defs *first = NULL;
    struct epsg_defs *last = NULL;
    struct epsg_defs *iter = NULL;
    const char *organization = NULL;
    int organization_coordsys_id = -1;

    *proj_params = NULL;

    sql =
	sqlite3_mprintf
	("SELECT organization, organization_coordsys_id FROM gpkg_spatial_ref_sys WHERE srs_id = %d",
	 srid);
    ret = sqlite3_get_table (sqlite, sql, &results, &rows, &columns, &errMsg);
    sqlite3_free (sql);
    if (ret != SQLITE_OK)
      {
	  spatialite_e ("unknown SRID: %d\t<%s>\n", srid, errMsg);
	  sqlite3_free (errMsg);
	  return;
      }
    if (rows == 0)
      {
	  printf
	      ("unknown SRID: %d\t(not in local database, ignoring authority and using best efforts...)\n",
	       srid);
	  organization_coordsys_id = srid;
      }
    else if (rows == 1)
      {
	  /* there are 'columns' entries in the header row (result indexes 0 to columns - 1), and our data is the next row */
	  organization = results[columns];
	  errno = 0;
	  organization_coordsys_id = strtol (results[columns + 1], NULL, 10);
	  if ((errno != 0) || (organization_coordsys_id == 0))
	    {
		spatialite_e ("Invalid organization_coordsys_id format: %s\n",
			      results[columns + 1]);
		sqlite3_free_table (results);
		return;
	    }
      }
    else if (rows > 1)
      {
	  spatialite_e
	      ("invalid or corrupt gpkg_spatial_ref_sys table - duplicate entries for : %d\n",
	       srid);
	  sqlite3_free_table (results);
	  return;
      }

    if (organization == NULL)
      {
	  /* best-effort mode */
	  initialize_epsg (srid, &first, &last);
      }
    else
      {
	  initialize_epsg (GAIA_EPSG_ANY, &first, &last);
      }
    iter = first;
    while (iter)
      {
	  if (coordinates_system_matches
	      (iter, organization, organization_coordsys_id))
	    {
		len = strlen (iter->proj4text);
		*proj_params = malloc (len + 1);
		strcpy (*proj_params, iter->proj4text);
		free_epsg (first);
		sqlite3_free_table (results);
		return;
	    }
	  iter = iter->next;
      }
    /* if we get here, we didn't find a match */
    free_epsg (first);
    sqlite3_free_table (results);
    spatialite_e ("unknown SRID: %d\n", srid);
}

static int
exists_gpkg_spatial_ref_sys (void *p_sqlite)
{
/* checking if the GPKG_SPATIAL_REF_SYS table exists */
    int ret;
    int ok = 0;
    char sql[1024];
    char **results;
    int n_rows;
    int n_columns;
    char *err_msg = NULL;

    sqlite3 *handle = (sqlite3 *) p_sqlite;

    strcpy (sql,
	    "SELECT name FROM sqlite_master WHERE type = 'table' AND name LIKE 'gpkg_spatial_ref_sys'");
    ret =
	sqlite3_get_table (handle, sql, &results, &n_rows, &n_columns,
			   &err_msg);
    if (ret != SQLITE_OK)
      {
/* some error occurred */
	  spatialite_e ("XX %s\n", err_msg);
	  sqlite3_free (err_msg);
	  return 0;
      }
    if (n_rows > 0)
	ok = 1;
    sqlite3_free_table (results);
    return ok;
}

SPATIALITE_PRIVATE void
getProjParamsEx (void *p_sqlite, int srid, char **proj_params,
		 int gpkg_amphibious_mode)
{
/* retrives the PROJ params - generic interface */
    sqlite3 *sqlite = (sqlite3 *) p_sqlite;
    *proj_params = NULL;
    if (exists_spatial_ref_sys (sqlite))
      {
	  /* normal Spatialite case */
	  getProjParamsFromSpatialReferenceSystemTable (sqlite, srid,
							proj_params);
      }
    else if (exists_gpkg_spatial_ref_sys (sqlite) && gpkg_amphibious_mode)
      {
	  /* geopackage case */
	  getProjParamsFromGeopackageTable (sqlite, srid, proj_params);
      }
}

SPATIALITE_PRIVATE void
getProjParams (void *p_sqlite, int srid, char **proj_params)
{
/* 
* retrives the PROJ params from SPATIAL_SYS_REF table, if possible 
* convenience method - disabling GPKG amphibious mode
*/
    getProjParamsEx (p_sqlite, srid, proj_params, 0);
}

(implementing XML support - ISO Metadata and SLD/SE Styles) 

*/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>


#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif

#include <spatialite/sqlite.h>
#include <spatialite/debug.h>
#include <spatialite.h>


#ifdef _WIN32
#define strcasecmp	_stricmp
#endif /* not WIN32 */

static int
parse_proj4 (const char *proj4, const char *key, char **value)
................................................................................
	  sqlite3_finalize (stmt);
	  stmt = NULL;
	  if (result != NULL)
	      return result;
      }
    return NULL;
}

	return 0;

/* identifying any possible R*Tree supporting the main target */
    q_prefix = gaiaDoubleQuotedSql (prefix);
    sql =
	sqlite3_mprintf
	("SELECT name FROM \"%s\".sqlite_master WHERE type = 'table' AND "
	 "Lower(name) IN (SELECT "
	 "Lower('idx_' || f_table_name || '_' || f_geometry_column) "
	 "FROM geometry_columns WHERE Lower(f_table_name) = Lower(%Q)) "
	 "AND sql LIKE('%cvirtual%c') AND sql LIKE('%crtree%c')",
	 q_prefix, table, jolly, jolly, jolly, jolly);
    free (q_prefix);
    ret = sqlite3_get_table (sqlite, sql, &results, &rows, &columns, NULL);
    sqlite3_free (sql);
    if (ret != SQLITE_OK)

	return 0;

/* identifying any possible R*Tree supporting the main target */
    q_prefix = gaiaDoubleQuotedSql (prefix);
    sql =
	sqlite3_mprintf
	("SELECT name FROM \"%s\".sqlite_master WHERE type = 'table' AND "

	 "name IN (SELECT 'idx_' || f_table_name || '_' || f_geometry_column "
	 "FROM geometry_columns WHERE Lower(f_table_name) = Lower(%Q)) "
	 "AND sql LIKE('%cvirtual%c') AND sql LIKE('%crtree%c')",
	 q_prefix, table, jolly, jolly, jolly, jolly);
    free (q_prefix);
    ret = sqlite3_get_table (sqlite, sql, &results, &rows, &columns, NULL);
    sqlite3_free (sql);
    if (ret != SQLITE_OK)

/*

 helper function for srs_init.c -- populating the SPATIAL_REF_SYS table

 this code was autogenerated by "auto_epsg_ext" on Wed May 27 18:50:23 2015

 Author: Sandro Furieri a.furieri@lqt.it

 -----------------------------------------------------------------------------

 Version: MPL 1.1/GPL 2.0/LGPL 2.1

................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 2 (deprecated)\",GEOG");
    add_srs_wkt (p, 1,
        "CS[\"NAD27(CGQ77)\",DATUM[\"North_American_Datum_1927_CG");
    add_srs_wkt (p, 2,
        "Q77\",SPHEROID[\"Clarke 1866\",6378206.4,294.97869821389");
    add_srs_wkt (p, 3,
        "82,AUTHORITY[\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"66");
    add_srs_wkt (p, 4,
        "09\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"");
    add_srs_wkt (p, 5,
        "]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 6,
        ",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",");
    add_srs_wkt (p, 7,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 3\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982138982,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 4\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982138982,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 5\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982138982,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 6\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982138982,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 7\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982138982,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 8\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982138982,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 9\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982138982,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 10\",GEOGCS[\"NAD27(C");
    add_srs_wkt (p, 1,
        "GQ77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHERO");
    add_srs_wkt (p, 2,
        "ID[\"Clarke 1866\",6378206.4,294.9786982138982,AUTHORITY");
    add_srs_wkt (p, 3,
        "[\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIME");
    add_srs_wkt (p, 4,
        "M[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"d");
    add_srs_wkt (p, 5,
        "egree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]]");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(76) / MTM zone 8\",GEOGCS[\"NAD27(76)\",D");
    add_srs_wkt (p, 1,
        "ATUM[\"North_American_Datum_1927_1976\",SPHEROID[\"Clark");
    add_srs_wkt (p, 2,
        "e 1866\",6378206.4,294.9786982138982,AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 3,
        "\"7008\"]],AUTHORITY[\"EPSG\",\"6608\"]],PRIMEM[\"Greenw");
    add_srs_wkt (p, 4,
        "ich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.");
    add_srs_wkt (p, 5,
        "0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"La");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(76) / MTM zone 9\",GEOGCS[\"NAD27(76)\",D");
    add_srs_wkt (p, 1,
        "ATUM[\"North_American_Datum_1927_1976\",SPHEROID[\"Clark");
    add_srs_wkt (p, 2,
        "e 1866\",6378206.4,294.9786982138982,AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 3,
        "\"7008\"]],AUTHORITY[\"EPSG\",\"6608\"]],PRIMEM[\"Greenw");
    add_srs_wkt (p, 4,
        "ich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.");
    add_srs_wkt (p, 5,
        "0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"La");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(76) / MTM zone 10\",GEOGCS[\"NAD27(76)\",");
    add_srs_wkt (p, 1,
        "DATUM[\"North_American_Datum_1927_1976\",SPHEROID[\"Clar");
    add_srs_wkt (p, 2,
        "ke 1866\",6378206.4,294.9786982138982,AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 3,
        ",\"7008\"]],AUTHORITY[\"EPSG\",\"6608\"]],PRIMEM[\"Green");
    add_srs_wkt (p, 4,
        "wich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0");
    add_srs_wkt (p, 5,
        ".0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"L");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
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    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,
        ",PARAMETER[\"central_meridian\",11],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9999],PARAMETER[\"false_easting\",200000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2069\"]]");
    p = add_epsg_def_ex (filter, first, last, 2070, "epsg", 2070,
        "ELD79 / Libya zone 7", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=13 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.8543,-99.0583,-152.4616,0,");
    add_proj4text (p, 2,
        "0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 7\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,
        ",PARAMETER[\"central_meridian\",13],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9999],PARAMETER[\"false_easting\",200000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2070\"]]");
    p = add_epsg_def_ex (filter, first, last, 2071, "epsg", 2071,
        "ELD79 / Libya zone 8", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.8543,-99.0583,-152.4616,0,");
    add_proj4text (p, 2,
        "0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 8\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,














































































        "115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,
        ",PARAMETER[\"central_meridian\",15],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9999],PARAMETER[\"false_easting\",200000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2071\"]]");
    p = add_epsg_def_ex (filter, first, last, 2072, "epsg", 2072,
        "ELD79 / Libya zone 9", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=17 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.8543,-99.0583,-152.4616,0,");
    add_proj4text (p, 2,
        "0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 9\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,
        ",PARAMETER[\"central_meridian\",17],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9999],PARAMETER[\"false_easting\",200000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2072\"]]");
    p = add_epsg_def_ex (filter, first, last, 2073, "epsg", 2073,
        "ELD79 / Libya zone 10", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=19 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.8543,-99.0583,-152.4616,0,");
    add_proj4text (p, 2,
        "0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 10\",GEOGCS[\"ELD79\",DATUM[");
    add_srs_wkt (p, 1,
        "\"European_Libyan_Datum_1979\",SPHEROID[\"International ");
    add_srs_wkt (p, 2,
        "1924\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84");
    add_srs_wkt (p, 3,
        "[-115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 4,
        ",\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 5,
        "8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"");
    add_srs_wkt (p, 6,
        "EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longit");
    add_srs_wkt (p, 7,
        "ude\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"T");
    add_srs_wkt (p, 8,
        "ransverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0");
    add_srs_wkt (p, 9,
        "],PARAMETER[\"central_meridian\",19],PARAMETER[\"scale_f");
    add_srs_wkt (p, 10,
        "actor\",0.9999],PARAMETER[\"false_easting\",200000],PARA");
    add_srs_wkt (p, 11,
        "METER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2073\"]]");
    p = add_epsg_def_ex (filter, first, last, 2074, "epsg", 2074,
        "ELD79 / Libya zone 11", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=21 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.8543,-99.0583,-152.4616,0,");
    add_proj4text (p, 2,
        "0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 11\",GEOGCS[\"ELD79\",DATUM[");
    add_srs_wkt (p, 1,
        "\"European_Libyan_Datum_1979\",SPHEROID[\"International ");
    add_srs_wkt (p, 2,
        "1924\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84");
    add_srs_wkt (p, 3,
        "[-115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 4,
        ",\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 5,
        "8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"");
    add_srs_wkt (p, 6,
        "EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longit");
    add_srs_wkt (p, 7,
        "ude\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"T");
    add_srs_wkt (p, 8,
        "ransverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0");
    add_srs_wkt (p, 9,
        "],PARAMETER[\"central_meridian\",21],PARAMETER[\"scale_f");
    add_srs_wkt (p, 10,
        "actor\",0.9999],PARAMETER[\"false_easting\",200000],PARA");
    add_srs_wkt (p, 11,
        "METER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2074\"]]");
    p = add_epsg_def_ex (filter, first, last, 2075, "epsg", 2075,
        "ELD79 / Libya zone 12", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=23 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.8543,-99.0583,-152.4616,0,");
    add_proj4text (p, 2,
        "0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 12\",GEOGCS[\"ELD79\",DATUM[");
    add_srs_wkt (p, 1,
        "\"European_Libyan_Datum_1979\",SPHEROID[\"International ");
    add_srs_wkt (p, 2,
        "1924\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84");
    add_srs_wkt (p, 3,
        "[-115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 4,
        ",\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 5,
        "8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"");
    add_srs_wkt (p, 6,
        "EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longit");
    add_srs_wkt (p, 7,
        "ude\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"T");
    add_srs_wkt (p, 8,
        "ransverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0");
    add_srs_wkt (p, 9,
        "],PARAMETER[\"central_meridian\",23],PARAMETER[\"scale_f");
    add_srs_wkt (p, 10,
        "actor\",0.9999],PARAMETER[\"false_easting\",200000],PARA");
    add_srs_wkt (p, 11,
        "METER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2075\"]]");
    p = add_epsg_def_ex (filter, first, last, 2076, "epsg", 2076,
        "ELD79 / Libya zone 13", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=25 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.8543,-99.0583,-152.4616,0,");
    add_proj4text (p, 2,
        "0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 13\",GEOGCS[\"ELD79\",DATUM[");
    add_srs_wkt (p, 1,
        "\"European_Libyan_Datum_1979\",SPHEROID[\"International ");
    add_srs_wkt (p, 2,
        "1924\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84");
    add_srs_wkt (p, 3,
        "[-115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 4,
        ",\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 5,
        "8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"");
    add_srs_wkt (p, 6,
        "EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longit");
    add_srs_wkt (p, 7,
        "ude\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"T");
    add_srs_wkt (p, 8,
        "ransverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0");
    add_srs_wkt (p, 9,
        "],PARAMETER[\"central_meridian\",25],PARAMETER[\"scale_f");
    add_srs_wkt (p, 10,
        "actor\",0.9999],PARAMETER[\"false_easting\",200000],PARA");
    add_srs_wkt (p, 11,
        "METER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2076\"]]");
    p = add_epsg_def_ex (filter, first, last, 2077, "epsg", 2077,
        "ELD79 / UTM zone 32N", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "Easting", "East", "Northing", "North");
    add_proj4text (p, 0,
        "+proj=utm +zone=32 +ellps=intl +towgs84=-115.8543,-99.05");
    add_proj4text (p, 1,
        "83,-152.4616,0,0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / UTM zone 32N\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,
        ",PARAMETER[\"central_meridian\",9],PARAMETER[\"scale_fac");
    add_srs_wkt (p, 10,
        "tor\",0.9996],PARAMETER[\"false_easting\",500000],PARAME");
    add_srs_wkt (p, 11,
        "TER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"E");
    add_srs_wkt (p, 12,
        "PSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\"");
    add_srs_wkt (p, 13,
        ",NORTH],AUTHORITY[\"EPSG\",\"2077\"]]");
    p = add_epsg_def_ex (filter, first, last, 2078, "epsg", 2078,
        "ELD79 / UTM zone 33N", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "Easting", "East", "Northing", "North");
    add_proj4text (p, 0,
        "+proj=utm +zone=33 +ellps=intl +towgs84=-115.8543,-99.05");
    add_proj4text (p, 1,
        "83,-152.4616,0,0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / UTM zone 33N\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,
        ",PARAMETER[\"central_meridian\",15],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9996],PARAMETER[\"false_easting\",500000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing");
    add_srs_wkt (p, 13,
        "\",NORTH],AUTHORITY[\"EPSG\",\"2078\"]]");
    p = add_epsg_def_ex (filter, first, last, 2079, "epsg", 2079,
        "ELD79 / UTM zone 34N", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "Easting", "East", "Northing", "North");
    add_proj4text (p, 0,
        "+proj=utm +zone=34 +ellps=intl +towgs84=-115.8543,-99.05");
    add_proj4text (p, 1,
        "83,-152.4616,0,0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / UTM zone 34N\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,
        ",PARAMETER[\"central_meridian\",21],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9996],PARAMETER[\"false_easting\",500000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing");
    add_srs_wkt (p, 13,
        "\",NORTH],AUTHORITY[\"EPSG\",\"2079\"]]");
    p = add_epsg_def_ex (filter, first, last, 2080, "epsg", 2080,
        "ELD79 / UTM zone 35N", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "Easting", "East", "Northing", "North");
    add_proj4text (p, 0,
        "+proj=utm +zone=35 +ellps=intl +towgs84=-115.8543,-99.05");
    add_proj4text (p, 1,
        "83,-152.4616,0,0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / UTM zone 35N\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,




















































































































































        ",PARAMETER[\"central_meridian\",27],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9996],PARAMETER[\"false_easting\",500000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing");
    add_srs_wkt (p, 13,
        "\",NORTH],AUTHORITY[\"EPSG\",\"2080\"]]");
    p = add_epsg_def_ex (filter, first, last, 2081, "epsg", 2081,
        "Chos Malal 1914 / Argentina 2", 0, 1,
        "International 1924", "Greenwich",
        "Chos_Malal_1914", "Transverse_Mercator", "metre",
        "X", "North", "Y", "East");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=-90 +lon_0=-69 +k=1 +x_0=2500000 +y_0");
................................................................................
    add_proj4text (p, 2,
        " +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27 / Cuba Norte (deprecated)\",GEOGCS[\"NAD2");
    add_srs_wkt (p, 1,
        "7\",DATUM[\"North_American_Datum_1927\",SPHEROID[\"Clark");
    add_srs_wkt (p, 2,
        "e 1866\",6378206.4,294.9786982138982,AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 3,
        "\"7008\"]],AUTHORITY[\"EPSG\",\"6267\"]],PRIMEM[\"Greenw");
    add_srs_wkt (p, 4,
        "ich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.");
    add_srs_wkt (p, 5,
        "0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"La");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 2,
        "0 +y_0=229126.939 +datum=NAD27 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27 / Cuba Sur (deprecated)\",GEOGCS[\"NAD27\"");
    add_srs_wkt (p, 1,
        ",DATUM[\"North_American_Datum_1927\",SPHEROID[\"Clarke 1");
    add_srs_wkt (p, 2,
        "866\",6378206.4,294.9786982138982,AUTHORITY[\"EPSG\",\"7");
    add_srs_wkt (p, 3,
        "008\"]],AUTHORITY[\"EPSG\",\"6267\"]],PRIMEM[\"Greenwich");
    add_srs_wkt (p, 4,
        "\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.017");
    add_srs_wkt (p, 5,
        "4532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latit");
    add_srs_wkt (p, 6,
................................................................................
        "ELD79 / TM 12 NE", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "Easting", "East", "Northing", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=12 +k=0.9996 +x_0=500000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.8543,-99.0583,-152.4616,0,");
    add_proj4text (p, 2,
        "0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / TM 12 NE\",GEOGCS[\"ELD79\",DATUM[\"Eur");
    add_srs_wkt (p, 1,
        "opean_Libyan_Datum_1979\",SPHEROID[\"International 1924\"");
    add_srs_wkt (p, 2,
        ",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-115.");
    add_srs_wkt (p, 3,
        "8543,-99.0583,-152.4616,0,0,0,0],AUTHORITY[\"EPSG\",\"61");
    add_srs_wkt (p, 4,
        "59\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"");
    add_srs_wkt (p, 5,
        "]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 6,
        ",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",");
    add_srs_wkt (p, 7,
        "EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Transve");
    add_srs_wkt (p, 8,
        "rse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARA");
    add_srs_wkt (p, 9,
        "METER[\"central_meridian\",12],PARAMETER[\"scale_factor\"");
    add_srs_wkt (p, 10,
        ",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"");
    add_srs_wkt (p, 11,
        "false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 12,
        "\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORT");
    add_srs_wkt (p, 13,
................................................................................
    add_proj4text (p, 2,
        "+units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"Carthage / TM 11 NE\",GEOGCS[\"Carthage\",DATUM");
    add_srs_wkt (p, 1,
        "[\"Carthage\",SPHEROID[\"Clarke 1880 (IGN)\",6378249.2,2");
    add_srs_wkt (p, 2,
        "93.4660212936269,AUTHORITY[\"EPSG\",\"7011\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "263,6,431,0,0,0,0],AUTHORITY[\"EPSG\",\"6223\"]],PRIMEM[");
    add_srs_wkt (p, 4,
        "\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"deg");
    add_srs_wkt (p, 5,
        "ree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],A");
    add_srs_wkt (p, 6,

/*

 helper function for srs_init.c -- populating the SPATIAL_REF_SYS table

 this code was autogenerated by "auto_epsg_ext" on Fri Dec  5 11:07:13 2014

 Author: Sandro Furieri a.furieri@lqt.it

 -----------------------------------------------------------------------------

 Version: MPL 1.1/GPL 2.0/LGPL 2.1

................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 2 (deprecated)\",GEOG");
    add_srs_wkt (p, 1,
        "CS[\"NAD27(CGQ77)\",DATUM[\"North_American_Datum_1927_CG");
    add_srs_wkt (p, 2,
        "Q77\",SPHEROID[\"Clarke 1866\",6378206.4,294.97869821390");
    add_srs_wkt (p, 3,
        "06,AUTHORITY[\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"66");
    add_srs_wkt (p, 4,
        "09\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"");
    add_srs_wkt (p, 5,
        "]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 6,
        ",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",");
    add_srs_wkt (p, 7,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 3\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982139006,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 4\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982139006,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 5\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982139006,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 6\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982139006,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 7\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982139006,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 8\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982139006,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 9\",GEOGCS[\"NAD27(CG");
    add_srs_wkt (p, 1,
        "Q77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHEROI");
    add_srs_wkt (p, 2,
        "D[\"Clarke 1866\",6378206.4,294.9786982139006,AUTHORITY[");
    add_srs_wkt (p, 3,
        "\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIMEM");
    add_srs_wkt (p, 4,
        "[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"de");
    add_srs_wkt (p, 5,
        "gree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / SCoPQ zone 10\",GEOGCS[\"NAD27(C");
    add_srs_wkt (p, 1,
        "GQ77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHERO");
    add_srs_wkt (p, 2,
        "ID[\"Clarke 1866\",6378206.4,294.9786982139006,AUTHORITY");
    add_srs_wkt (p, 3,
        "[\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIME");
    add_srs_wkt (p, 4,
        "M[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"d");
    add_srs_wkt (p, 5,
        "egree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]]");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(76) / MTM zone 8\",GEOGCS[\"NAD27(76)\",D");
    add_srs_wkt (p, 1,
        "ATUM[\"North_American_Datum_1927_1976\",SPHEROID[\"Clark");
    add_srs_wkt (p, 2,
        "e 1866\",6378206.4,294.9786982139006,AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 3,
        "\"7008\"]],AUTHORITY[\"EPSG\",\"6608\"]],PRIMEM[\"Greenw");
    add_srs_wkt (p, 4,
        "ich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.");
    add_srs_wkt (p, 5,
        "0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"La");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(76) / MTM zone 9\",GEOGCS[\"NAD27(76)\",D");
    add_srs_wkt (p, 1,
        "ATUM[\"North_American_Datum_1927_1976\",SPHEROID[\"Clark");
    add_srs_wkt (p, 2,
        "e 1866\",6378206.4,294.9786982139006,AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 3,
        "\"7008\"]],AUTHORITY[\"EPSG\",\"6608\"]],PRIMEM[\"Greenw");
    add_srs_wkt (p, 4,
        "ich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.");
    add_srs_wkt (p, 5,
        "0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"La");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(76) / MTM zone 10\",GEOGCS[\"NAD27(76)\",");
    add_srs_wkt (p, 1,
        "DATUM[\"North_American_Datum_1927_1976\",SPHEROID[\"Clar");
    add_srs_wkt (p, 2,
        "ke 1866\",6378206.4,294.9786982139006,AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 3,
        ",\"7008\"]],AUTHORITY[\"EPSG\",\"6608\"]],PRIMEM[\"Green");
    add_srs_wkt (p, 4,
        "wich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0");
    add_srs_wkt (p, 5,
        ".0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"L");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "+y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(76) / MTM zone 11\",GEOGCS[\"NAD27(76)\",");
    add_srs_wkt (p, 1,
        "DATUM[\"North_American_Datum_1927_1976\",SPHEROID[\"Clar");
    add_srs_wkt (p, 2,
        "ke 1866\",6378206.4,294.9786982139006,AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 3,
        ",\"7008\"]],AUTHORITY[\"EPSG\",\"6608\"]],PRIMEM[\"Green");
    add_srs_wkt (p, 4,
        "wich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0");
    add_srs_wkt (p, 5,
        ".0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"L");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(76) / MTM zone 12\",GEOGCS[\"NAD27(76)\",");
    add_srs_wkt (p, 1,
        "DATUM[\"North_American_Datum_1927_1976\",SPHEROID[\"Clar");
    add_srs_wkt (p, 2,
        "ke 1866\",6378206.4,294.9786982139006,AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 3,
        ",\"7008\"]],AUTHORITY[\"EPSG\",\"6608\"]],PRIMEM[\"Green");
    add_srs_wkt (p, 4,
        "wich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0");
    add_srs_wkt (p, 5,
        ".0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"L");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 1,
        "_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(76) / MTM zone 13\",GEOGCS[\"NAD27(76)\",");
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................................................................................
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................................................................................
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................................................................................
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................................................................................
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................................................................................
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................................................................................
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................................................................................
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................................................................................
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    add_srs_wkt (p, 5,
        "1\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPS");
    add_srs_wkt (p, 6,
        "G\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude");
    add_srs_wkt (p, 7,
        "\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tran");
    add_srs_wkt (p, 8,
        "sverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],P");
    add_srs_wkt (p, 9,
        "ARAMETER[\"central_meridian\",13],PARAMETER[\"scale_fact");
    add_srs_wkt (p, 10,
        "or\",0.9999],PARAMETER[\"false_easting\",200000],PARAMET");
    add_srs_wkt (p, 11,
        "ER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EP");
    add_srs_wkt (p, 12,
        "SG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUTHO");
    add_srs_wkt (p, 13,
        "RITY[\"EPSG\",\"2070\"]]");
    p = add_epsg_def_ex (filter, first, last, 2071, "epsg", 2071,
        "ELD79 / Libya zone 8", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.854,-99.0583,-152.462,0,0,");
    add_proj4text (p, 2,
        "0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 8\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 4,
        "6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"890");
    add_srs_wkt (p, 5,
        "1\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPS");
    add_srs_wkt (p, 6,
        "G\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude");
    add_srs_wkt (p, 7,
        "\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tran");
    add_srs_wkt (p, 8,
        "sverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],P");
    add_srs_wkt (p, 9,
        "ARAMETER[\"central_meridian\",15],PARAMETER[\"scale_fact");
    add_srs_wkt (p, 10,
        "or\",0.9999],PARAMETER[\"false_easting\",200000],PARAMET");
    add_srs_wkt (p, 11,
        "ER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EP");
    add_srs_wkt (p, 12,
        "SG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUTHO");
    add_srs_wkt (p, 13,
        "RITY[\"EPSG\",\"2071\"]]");
    p = add_epsg_def_ex (filter, first, last, 2072, "epsg", 2072,
        "ELD79 / Libya zone 9", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=17 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.854,-99.0583,-152.462,0,0,");
    add_proj4text (p, 2,
        "0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 9\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 4,
        "6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"890");
    add_srs_wkt (p, 5,
        "1\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPS");
    add_srs_wkt (p, 6,
        "G\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude");
    add_srs_wkt (p, 7,
        "\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tran");
    add_srs_wkt (p, 8,
        "sverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],P");
    add_srs_wkt (p, 9,
        "ARAMETER[\"central_meridian\",17],PARAMETER[\"scale_fact");
    add_srs_wkt (p, 10,
        "or\",0.9999],PARAMETER[\"false_easting\",200000],PARAMET");
    add_srs_wkt (p, 11,
        "ER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EP");
    add_srs_wkt (p, 12,
        "SG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUTHO");
    add_srs_wkt (p, 13,
        "RITY[\"EPSG\",\"2072\"]]");
    p = add_epsg_def_ex (filter, first, last, 2073, "epsg", 2073,
        "ELD79 / Libya zone 10", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=19 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.854,-99.0583,-152.462,0,0,");
    add_proj4text (p, 2,
        "0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 10\",GEOGCS[\"ELD79\",DATUM[");
    add_srs_wkt (p, 1,
        "\"European_Libyan_Datum_1979\",SPHEROID[\"International ");
    add_srs_wkt (p, 2,
        "1924\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84");
    add_srs_wkt (p, 3,
        "[-115.854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,














































































        ",PARAMETER[\"central_meridian\",19],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9999],PARAMETER[\"false_easting\",200000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2073\"]]");
    p = add_epsg_def_ex (filter, first, last, 2074, "epsg", 2074,
        "ELD79 / Libya zone 11", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=21 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.854,-99.0583,-152.462,0,0,");
    add_proj4text (p, 2,
        "0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 11\",GEOGCS[\"ELD79\",DATUM[");
    add_srs_wkt (p, 1,
        "\"European_Libyan_Datum_1979\",SPHEROID[\"International ");
    add_srs_wkt (p, 2,
        "1924\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84");
    add_srs_wkt (p, 3,
        "[-115.854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,
        ",PARAMETER[\"central_meridian\",21],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9999],PARAMETER[\"false_easting\",200000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2074\"]]");
    p = add_epsg_def_ex (filter, first, last, 2075, "epsg", 2075,
        "ELD79 / Libya zone 12", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=23 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.854,-99.0583,-152.462,0,0,");
    add_proj4text (p, 2,
        "0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 12\",GEOGCS[\"ELD79\",DATUM[");
    add_srs_wkt (p, 1,
        "\"European_Libyan_Datum_1979\",SPHEROID[\"International ");
    add_srs_wkt (p, 2,
        "1924\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84");
    add_srs_wkt (p, 3,
        "[-115.854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,
        ",PARAMETER[\"central_meridian\",23],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9999],PARAMETER[\"false_easting\",200000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2075\"]]");
    p = add_epsg_def_ex (filter, first, last, 2076, "epsg", 2076,
        "ELD79 / Libya zone 13", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "X", "East", "Y", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=25 +k=0.9999 +x_0=200000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.854,-99.0583,-152.462,0,0,");
    add_proj4text (p, 2,
        "0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / Libya zone 13\",GEOGCS[\"ELD79\",DATUM[");
    add_srs_wkt (p, 1,
        "\"European_Libyan_Datum_1979\",SPHEROID[\"International ");
    add_srs_wkt (p, 2,
        "1924\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84");
    add_srs_wkt (p, 3,

























































        "[-115.854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",");



























































































    add_srs_wkt (p, 4,
        "\"6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8");
    add_srs_wkt (p, 5,
        "901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"E");
    add_srs_wkt (p, 6,
        "PSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitu");
    add_srs_wkt (p, 7,
        "de\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tr");
    add_srs_wkt (p, 8,
        "ansverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0]");
    add_srs_wkt (p, 9,
        ",PARAMETER[\"central_meridian\",25],PARAMETER[\"scale_fa");
    add_srs_wkt (p, 10,
        "ctor\",0.9999],PARAMETER[\"false_easting\",200000],PARAM");
    add_srs_wkt (p, 11,
        "ETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"");
    add_srs_wkt (p, 12,
        "EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUT");
    add_srs_wkt (p, 13,
        "HORITY[\"EPSG\",\"2076\"]]");
    p = add_epsg_def_ex (filter, first, last, 2077, "epsg", 2077,
        "ELD79 / UTM zone 32N", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "Easting", "East", "Northing", "North");
    add_proj4text (p, 0,
        "+proj=utm +zone=32 +ellps=intl +towgs84=-115.854,-99.058");
    add_proj4text (p, 1,
        "3,-152.462,0,0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / UTM zone 32N\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 4,
        "6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"890");
    add_srs_wkt (p, 5,
        "1\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPS");
    add_srs_wkt (p, 6,
        "G\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude");
    add_srs_wkt (p, 7,
        "\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tran");
    add_srs_wkt (p, 8,
        "sverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],P");
    add_srs_wkt (p, 9,
        "ARAMETER[\"central_meridian\",9],PARAMETER[\"scale_facto");
    add_srs_wkt (p, 10,
        "r\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETE");
    add_srs_wkt (p, 11,
        "R[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPS");
    add_srs_wkt (p, 12,
        "G\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",");
    add_srs_wkt (p, 13,
        "NORTH],AUTHORITY[\"EPSG\",\"2077\"]]");
    p = add_epsg_def_ex (filter, first, last, 2078, "epsg", 2078,
        "ELD79 / UTM zone 33N", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "Easting", "East", "Northing", "North");
    add_proj4text (p, 0,
        "+proj=utm +zone=33 +ellps=intl +towgs84=-115.854,-99.058");
    add_proj4text (p, 1,
        "3,-152.462,0,0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / UTM zone 33N\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 4,
        "6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"890");
    add_srs_wkt (p, 5,
        "1\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPS");
    add_srs_wkt (p, 6,
        "G\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude");
    add_srs_wkt (p, 7,
        "\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tran");
    add_srs_wkt (p, 8,
        "sverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],P");
    add_srs_wkt (p, 9,
        "ARAMETER[\"central_meridian\",15],PARAMETER[\"scale_fact");
    add_srs_wkt (p, 10,
        "or\",0.9996],PARAMETER[\"false_easting\",500000],PARAMET");
    add_srs_wkt (p, 11,
        "ER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EP");
    add_srs_wkt (p, 12,
        "SG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\"");
    add_srs_wkt (p, 13,
        ",NORTH],AUTHORITY[\"EPSG\",\"2078\"]]");
    p = add_epsg_def_ex (filter, first, last, 2079, "epsg", 2079,
        "ELD79 / UTM zone 34N", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "Easting", "East", "Northing", "North");
    add_proj4text (p, 0,
        "+proj=utm +zone=34 +ellps=intl +towgs84=-115.854,-99.058");
    add_proj4text (p, 1,
        "3,-152.462,0,0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / UTM zone 34N\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 4,
        "6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"890");
    add_srs_wkt (p, 5,
        "1\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPS");
    add_srs_wkt (p, 6,
        "G\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude");
    add_srs_wkt (p, 7,
        "\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tran");
    add_srs_wkt (p, 8,
        "sverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],P");
    add_srs_wkt (p, 9,
        "ARAMETER[\"central_meridian\",21],PARAMETER[\"scale_fact");
    add_srs_wkt (p, 10,
        "or\",0.9996],PARAMETER[\"false_easting\",500000],PARAMET");
    add_srs_wkt (p, 11,
        "ER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EP");
    add_srs_wkt (p, 12,
        "SG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\"");
    add_srs_wkt (p, 13,
        ",NORTH],AUTHORITY[\"EPSG\",\"2079\"]]");
    p = add_epsg_def_ex (filter, first, last, 2080, "epsg", 2080,
        "ELD79 / UTM zone 35N", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "Easting", "East", "Northing", "North");
    add_proj4text (p, 0,
        "+proj=utm +zone=35 +ellps=intl +towgs84=-115.854,-99.058");
    add_proj4text (p, 1,
        "3,-152.462,0,0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / UTM zone 35N\",GEOGCS[\"ELD79\",DATUM[\"");
    add_srs_wkt (p, 1,
        "European_Libyan_Datum_1979\",SPHEROID[\"International 19");
    add_srs_wkt (p, 2,
        "24\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "115.854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 4,
        "6159\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"890");
    add_srs_wkt (p, 5,
        "1\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPS");
    add_srs_wkt (p, 6,
        "G\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude");
    add_srs_wkt (p, 7,
        "\",EAST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Tran");
    add_srs_wkt (p, 8,
        "sverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],P");
    add_srs_wkt (p, 9,
        "ARAMETER[\"central_meridian\",27],PARAMETER[\"scale_fact");
    add_srs_wkt (p, 10,
        "or\",0.9996],PARAMETER[\"false_easting\",500000],PARAMET");
    add_srs_wkt (p, 11,
        "ER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EP");
    add_srs_wkt (p, 12,
        "SG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\"");
    add_srs_wkt (p, 13,
        ",NORTH],AUTHORITY[\"EPSG\",\"2080\"]]");
    p = add_epsg_def_ex (filter, first, last, 2081, "epsg", 2081,
        "Chos Malal 1914 / Argentina 2", 0, 1,
        "International 1924", "Greenwich",
        "Chos_Malal_1914", "Transverse_Mercator", "metre",
        "X", "North", "Y", "East");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=-90 +lon_0=-69 +k=1 +x_0=2500000 +y_0");
................................................................................
    add_proj4text (p, 2,
        " +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27 / Cuba Norte (deprecated)\",GEOGCS[\"NAD2");
    add_srs_wkt (p, 1,
        "7\",DATUM[\"North_American_Datum_1927\",SPHEROID[\"Clark");
    add_srs_wkt (p, 2,
        "e 1866\",6378206.4,294.9786982139006,AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 3,
        "\"7008\"]],AUTHORITY[\"EPSG\",\"6267\"]],PRIMEM[\"Greenw");
    add_srs_wkt (p, 4,
        "ich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.");
    add_srs_wkt (p, 5,
        "0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"La");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 2,
        "0 +y_0=229126.939 +datum=NAD27 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27 / Cuba Sur (deprecated)\",GEOGCS[\"NAD27\"");
    add_srs_wkt (p, 1,
        ",DATUM[\"North_American_Datum_1927\",SPHEROID[\"Clarke 1");
    add_srs_wkt (p, 2,
        "866\",6378206.4,294.9786982139006,AUTHORITY[\"EPSG\",\"7");
    add_srs_wkt (p, 3,
        "008\"]],AUTHORITY[\"EPSG\",\"6267\"]],PRIMEM[\"Greenwich");
    add_srs_wkt (p, 4,
        "\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.017");
    add_srs_wkt (p, 5,
        "4532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latit");
    add_srs_wkt (p, 6,
................................................................................
        "ELD79 / TM 12 NE", 0, 0,
        "International 1924", "Greenwich",
        "European_Libyan_Datum_1979", "Transverse_Mercator", "metre",
        "Easting", "East", "Northing", "North");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=0 +lon_0=12 +k=0.9996 +x_0=500000 +y_");
    add_proj4text (p, 1,
        "0=0 +ellps=intl +towgs84=-115.854,-99.0583,-152.462,0,0,");
    add_proj4text (p, 2,
        "0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"ELD79 / TM 12 NE\",GEOGCS[\"ELD79\",DATUM[\"Eur");
    add_srs_wkt (p, 1,
        "opean_Libyan_Datum_1979\",SPHEROID[\"International 1924\"");
    add_srs_wkt (p, 2,
        ",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS84[-115.");
    add_srs_wkt (p, 3,
        "854,-99.0583,-152.462,0,0,0,0],AUTHORITY[\"EPSG\",\"6159");
    add_srs_wkt (p, 4,
        "\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]");
    add_srs_wkt (p, 5,
        "],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 6,
        "\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",E");
    add_srs_wkt (p, 7,
        "AST],AUTHORITY[\"EPSG\",\"4159\"]],PROJECTION[\"Transver");
    add_srs_wkt (p, 8,
        "se_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAM");
    add_srs_wkt (p, 9,
        "ETER[\"central_meridian\",12],PARAMETER[\"scale_factor\"");
    add_srs_wkt (p, 10,
        ",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"");
    add_srs_wkt (p, 11,
        "false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",");
    add_srs_wkt (p, 12,
        "\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORT");
    add_srs_wkt (p, 13,
................................................................................
    add_proj4text (p, 2,
        "+units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"Carthage / TM 11 NE\",GEOGCS[\"Carthage\",DATUM");
    add_srs_wkt (p, 1,
        "[\"Carthage\",SPHEROID[\"Clarke 1880 (IGN)\",6378249.2,2");
    add_srs_wkt (p, 2,
        "93.4660212936265,AUTHORITY[\"EPSG\",\"7011\"]],TOWGS84[-");
    add_srs_wkt (p, 3,
        "263,6,431,0,0,0,0],AUTHORITY[\"EPSG\",\"6223\"]],PRIMEM[");
    add_srs_wkt (p, 4,
        "\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"deg");
    add_srs_wkt (p, 5,
        "ree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],A");
    add_srs_wkt (p, 6,

/*

 helper function for srs_init.c -- populating the SPATIAL_REF_SYS table

 this code was autogenerated by "auto_epsg_ext" on Wed May 27 18:50:23 2015

 Author: Sandro Furieri a.furieri@lqt.it

 -----------------------------------------------------------------------------

 Version: MPL 1.1/GPL 2.0/LGPL 2.1

................................................................................
    add_proj4text (p, 1,
        "0=0 +y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / Quebec Lambert\",GEOGCS[\"NAD27(");
    add_srs_wkt (p, 1,
        "CGQ77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHER");
    add_srs_wkt (p, 2,
        "OID[\"Clarke 1866\",6378206.4,294.9786982138982,AUTHORIT");
    add_srs_wkt (p, 3,
        "Y[\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIM");
    add_srs_wkt (p, 4,
        "EM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"");
    add_srs_wkt (p, 5,
        "degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]");
    add_srs_wkt (p, 6,
................................................................................
    add_srs_wkt (p, 0,
        "PROJCS[\"American Samoa 1962 / American Samoa Lambert (d");
    add_srs_wkt (p, 1,
        "eprecated)\",GEOGCS[\"American Samoa 1962\",DATUM[\"Amer");
    add_srs_wkt (p, 2,
        "ican_Samoa_1962\",SPHEROID[\"Clarke 1866\",6378206.4,294");
    add_srs_wkt (p, 3,
        ".9786982138982,AUTHORITY[\"EPSG\",\"7008\"]],TOWGS84[-11");
    add_srs_wkt (p, 4,
        "5,118,426,0,0,0,0],AUTHORITY[\"EPSG\",\"6169\"]],PRIMEM[");
    add_srs_wkt (p, 5,
        "\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"deg");
    add_srs_wkt (p, 6,
        "ree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],A");
    add_srs_wkt (p, 7,
................................................................................
        "Luxembourg_1930", "Transverse_Mercator", "metre",
        "X", "North", "Y", "East");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=49.83333333333334 +lon_0=6.1666666666");
    add_proj4text (p, 1,
        "66667 +k=1 +x_0=80000 +y_0=100000 +ellps=intl +towgs84=-");
    add_proj4text (p, 2,
        "189.6806,18.3463,-42.7695,-0.33746,-3.09264,2.53861,0.45");
    add_proj4text (p, 3,
        "98 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"Luxembourg 1930 / Gauss\",GEOGCS[\"Luxembourg 1");
    add_srs_wkt (p, 1,
        "930\",DATUM[\"Luxembourg_1930\",SPHEROID[\"International");
    add_srs_wkt (p, 2,
        " 1924\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS8");
    add_srs_wkt (p, 3,
        "4[-189.6806,18.3463,-42.7695,-0.33746,-3.09264,2.53861,0");
    add_srs_wkt (p, 4,
        ".4598],AUTHORITY[\"EPSG\",\"6181\"]],PRIMEM[\"Greenwich\"");
    add_srs_wkt (p, 5,
        ",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745");
    add_srs_wkt (p, 6,
        "32925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitud");
    add_srs_wkt (p, 7,
        "e\",NORTH],AXIS[\"Longitude\",EAST],AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 8,
................................................................................
    add_srs_wkt (p, 0,
        "PROJCS[\"American Samoa 1962 / American Samoa Lambert (d");
    add_srs_wkt (p, 1,
        "eprecated)\",GEOGCS[\"American Samoa 1962\",DATUM[\"Amer");
    add_srs_wkt (p, 2,
        "ican_Samoa_1962\",SPHEROID[\"Clarke 1866\",6378206.4,294");
    add_srs_wkt (p, 3,
        ".9786982138982,AUTHORITY[\"EPSG\",\"7008\"]],TOWGS84[-11");
    add_srs_wkt (p, 4,
        "5,118,426,0,0,0,0],AUTHORITY[\"EPSG\",\"6169\"]],PRIMEM[");
    add_srs_wkt (p, 5,
        "\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"deg");
    add_srs_wkt (p, 6,
        "ree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],A");
    add_srs_wkt (p, 7,
................................................................................
    add_proj4text (p, 2,
        "30480.06096012192 +datum=NAD27 +units=us-ft +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27 / Tennessee\",GEOGCS[\"NAD27\",DATUM[\"No");
    add_srs_wkt (p, 1,
        "rth_American_Datum_1927\",SPHEROID[\"Clarke 1866\",63782");
    add_srs_wkt (p, 2,
        "06.4,294.9786982138982,AUTHORITY[\"EPSG\",\"7008\"]],AUT");
    add_srs_wkt (p, 3,
        "HORITY[\"EPSG\",\"6267\"]],PRIMEM[\"Greenwich\",0,AUTHOR");
    add_srs_wkt (p, 4,
        "ITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994");
    add_srs_wkt (p, 5,
        "33,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH");
    add_srs_wkt (p, 6,

/*

 helper function for srs_init.c -- populating the SPATIAL_REF_SYS table

 this code was autogenerated by "auto_epsg_ext" on Fri Dec  5 11:07:13 2014

 Author: Sandro Furieri a.furieri@lqt.it

 -----------------------------------------------------------------------------

 Version: MPL 1.1/GPL 2.0/LGPL 2.1

................................................................................
    add_proj4text (p, 1,
        "0=0 +y_0=0 +ellps=clrk66 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27(CGQ77) / Quebec Lambert\",GEOGCS[\"NAD27(");
    add_srs_wkt (p, 1,
        "CGQ77)\",DATUM[\"North_American_Datum_1927_CGQ77\",SPHER");
    add_srs_wkt (p, 2,
        "OID[\"Clarke 1866\",6378206.4,294.9786982139006,AUTHORIT");
    add_srs_wkt (p, 3,
        "Y[\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6609\"]],PRIM");
    add_srs_wkt (p, 4,
        "EM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"");
    add_srs_wkt (p, 5,
        "degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]");
    add_srs_wkt (p, 6,
................................................................................
    add_srs_wkt (p, 0,
        "PROJCS[\"American Samoa 1962 / American Samoa Lambert (d");
    add_srs_wkt (p, 1,
        "eprecated)\",GEOGCS[\"American Samoa 1962\",DATUM[\"Amer");
    add_srs_wkt (p, 2,
        "ican_Samoa_1962\",SPHEROID[\"Clarke 1866\",6378206.4,294");
    add_srs_wkt (p, 3,
        ".9786982139006,AUTHORITY[\"EPSG\",\"7008\"]],TOWGS84[-11");
    add_srs_wkt (p, 4,
        "5,118,426,0,0,0,0],AUTHORITY[\"EPSG\",\"6169\"]],PRIMEM[");
    add_srs_wkt (p, 5,
        "\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"deg");
    add_srs_wkt (p, 6,
        "ree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],A");
    add_srs_wkt (p, 7,
................................................................................
        "Luxembourg_1930", "Transverse_Mercator", "metre",
        "X", "North", "Y", "East");
    add_proj4text (p, 0,
        "+proj=tmerc +lat_0=49.83333333333334 +lon_0=6.1666666666");
    add_proj4text (p, 1,
        "66667 +k=1 +x_0=80000 +y_0=100000 +ellps=intl +towgs84=-");
    add_proj4text (p, 2,
        "189.681,18.3463,-42.7695,-0.33746,-3.09264,2.53861,0.459");
    add_proj4text (p, 3,
        "8 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"Luxembourg 1930 / Gauss\",GEOGCS[\"Luxembourg 1");
    add_srs_wkt (p, 1,
        "930\",DATUM[\"Luxembourg_1930\",SPHEROID[\"International");
    add_srs_wkt (p, 2,
        " 1924\",6378388,297,AUTHORITY[\"EPSG\",\"7022\"]],TOWGS8");
    add_srs_wkt (p, 3,
        "4[-189.681,18.3463,-42.7695,-0.33746,-3.09264,2.53861,0.");
    add_srs_wkt (p, 4,
        "4598],AUTHORITY[\"EPSG\",\"6181\"]],PRIMEM[\"Greenwich\"");
    add_srs_wkt (p, 5,
        ",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745");
    add_srs_wkt (p, 6,
        "32925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitud");
    add_srs_wkt (p, 7,
        "e\",NORTH],AXIS[\"Longitude\",EAST],AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 8,
................................................................................
    add_srs_wkt (p, 0,
        "PROJCS[\"American Samoa 1962 / American Samoa Lambert (d");
    add_srs_wkt (p, 1,
        "eprecated)\",GEOGCS[\"American Samoa 1962\",DATUM[\"Amer");
    add_srs_wkt (p, 2,
        "ican_Samoa_1962\",SPHEROID[\"Clarke 1866\",6378206.4,294");
    add_srs_wkt (p, 3,
        ".9786982139006,AUTHORITY[\"EPSG\",\"7008\"]],TOWGS84[-11");
    add_srs_wkt (p, 4,
        "5,118,426,0,0,0,0],AUTHORITY[\"EPSG\",\"6169\"]],PRIMEM[");
    add_srs_wkt (p, 5,
        "\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"deg");
    add_srs_wkt (p, 6,
        "ree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],A");
    add_srs_wkt (p, 7,
................................................................................
    add_proj4text (p, 2,
        "30480.06096012192 +datum=NAD27 +units=us-ft +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"NAD27 / Tennessee\",GEOGCS[\"NAD27\",DATUM[\"No");
    add_srs_wkt (p, 1,
        "rth_American_Datum_1927\",SPHEROID[\"Clarke 1866\",63782");
    add_srs_wkt (p, 2,
        "06.4,294.9786982139006,AUTHORITY[\"EPSG\",\"7008\"]],AUT");
    add_srs_wkt (p, 3,
        "HORITY[\"EPSG\",\"6267\"]],PRIMEM[\"Greenwich\",0,AUTHOR");
    add_srs_wkt (p, 4,
        "ITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994");
    add_srs_wkt (p, 5,
        "33,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH");
    add_srs_wkt (p, 6,

/*

 helper function for srs_init.c -- populating the SPATIAL_REF_SYS table

 this code was autogenerated by "auto_epsg_ext" on Wed May 27 18:50:23 2015

 Author: Sandro Furieri a.furieri@lqt.it

 -----------------------------------------------------------------------------

 Version: MPL 1.1/GPL 2.0/LGPL 2.1

................................................................................
    add_proj4text (p, 1,
        "9,-151.8,-41.4,0,0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"Manoca 1962 / UTM zone 32N\",GEOGCS[\"Manoca 19");
    add_srs_wkt (p, 1,
        "62\",DATUM[\"Manoca_1962\",SPHEROID[\"Clarke 1880 (IGN)\"");
    add_srs_wkt (p, 2,
        ",6378249.2,293.4660212936269,AUTHORITY[\"EPSG\",\"7011\"");
    add_srs_wkt (p, 3,
        "]],TOWGS84[-70.9,-151.8,-41.4,0,0,0,0],AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 4,
        ",\"6193\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 5,
        "8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 3,
        "88,472.052,0,0,0,0 +to_meter=0.3047972654 +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"Trinidad 1903 / Trinidad Grid (ftCla)\",GEOGCS[");
    add_srs_wkt (p, 1,
        "\"Trinidad 1903\",DATUM[\"Trinidad_1903\",SPHEROID[\"Cla");
    add_srs_wkt (p, 2,
        "rke 1858\",6378293.645208759,294.2606763692606,AUTHORITY");
    add_srs_wkt (p, 3,
        "[\"EPSG\",\"7007\"]],TOWGS84[-61.702,284.488,472.052,0,0");
    add_srs_wkt (p, 4,
        ",0,0],AUTHORITY[\"EPSG\",\"6302\"]],PRIMEM[\"Greenwich\"");
    add_srs_wkt (p, 5,
        ",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745");
    add_srs_wkt (p, 6,

/*

 helper function for srs_init.c -- populating the SPATIAL_REF_SYS table

 this code was autogenerated by "auto_epsg_ext" on Fri Dec  5 11:07:13 2014

 Author: Sandro Furieri a.furieri@lqt.it

 -----------------------------------------------------------------------------

 Version: MPL 1.1/GPL 2.0/LGPL 2.1

................................................................................
    add_proj4text (p, 1,
        "9,-151.8,-41.4,0,0,0,0 +units=m +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"Manoca 1962 / UTM zone 32N\",GEOGCS[\"Manoca 19");
    add_srs_wkt (p, 1,
        "62\",DATUM[\"Manoca_1962\",SPHEROID[\"Clarke 1880 (IGN)\"");
    add_srs_wkt (p, 2,
        ",6378249.2,293.4660212936265,AUTHORITY[\"EPSG\",\"7011\"");
    add_srs_wkt (p, 3,
        "]],TOWGS84[-70.9,-151.8,-41.4,0,0,0,0],AUTHORITY[\"EPSG\"");
    add_srs_wkt (p, 4,
        ",\"6193\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"");
    add_srs_wkt (p, 5,
        "8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"");
    add_srs_wkt (p, 6,
................................................................................
    add_proj4text (p, 3,
        "88,472.052,0,0,0,0 +to_meter=0.3047972654 +no_defs");
    add_srs_wkt (p, 0,
        "PROJCS[\"Trinidad 1903 / Trinidad Grid (ftCla)\",GEOGCS[");
    add_srs_wkt (p, 1,
        "\"Trinidad 1903\",DATUM[\"Trinidad_1903\",SPHEROID[\"Cla");
    add_srs_wkt (p, 2,
        "rke 1858\",6378293.645208759,294.2606763692569,AUTHORITY");
    add_srs_wkt (p, 3,
        "[\"EPSG\",\"7007\"]],TOWGS84[-61.702,284.488,472.052,0,0");
    add_srs_wkt (p, 4,
        ",0,0],AUTHORITY[\"EPSG\",\"6302\"]],PRIMEM[\"Greenwich\"");
    add_srs_wkt (p, 5,
        ",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745");
    add_srs_wkt (p, 6,