test_lwgeom_calculate_gbox()

static void test_lwgeom_calculate_gbox ( void  )

static

Definition at line 201 of file cu_libgeom.c.

{
        LWGEOM *g;
        GBOX b;
 
        g = lwgeom_from_wkt("POINT(0 0)", LW_PARSER_CHECK_NONE);
        lwgeom_calculate_gbox_cartesian(g, &b);
        CU_ASSERT_DOUBLE_EQUAL(b.xmin, 0.0, 0.0000001);
        lwgeom_free(g);
 
        /* Inf = 0x7FF0000000000000 */
        /* POINT(0 0) = 00 00000001 0000000000000000 0000000000000000 */
        /* POINT(0 Inf) = 00 00000001 0000000000000000 7FF0000000000000 */
        g = lwgeom_from_hexwkb("000000000100000000000000007FF0000000000000", LW_PARSER_CHECK_NONE);
        lwgeom_calculate_gbox_cartesian(g, &b);
        CU_ASSERT_DOUBLE_EQUAL(b.xmin, 0.0, 0.0000001);
        CU_ASSERT(isinf(b.ymax));
        lwgeom_free(g);
 
        /* LINESTRING(0 0, 0 Inf) = 00 00000002 00000002 0000000000000000 7FF0000000000000 0000000000000000 0000000000000000 */
        /* Inf should show up in bbox */
        g = lwgeom_from_hexwkb("00000000020000000200000000000000007FF000000000000000000000000000000000000000000000", LW_PARSER_CHECK_NONE);
        lwgeom_calculate_gbox_cartesian(g, &b);
        CU_ASSERT_DOUBLE_EQUAL(b.xmin, 0.0, 0.0000001);
        CU_ASSERT(isinf(b.ymax));
        lwgeom_free(g);
 
        /* Geometry with NaN 0101000020E8640000000000000000F8FF000000000000F8FF */
        /* NaN should show up in bbox for "SRID=4326;POINT(0 NaN)" */
        g = lwgeom_from_hexwkb("0101000020E86400000000000000000000000000000000F8FF", LW_PARSER_CHECK_NONE);
        lwgeom_calculate_gbox_cartesian(g, &b);
        CU_ASSERT(isnan(b.ymax));
        lwgeom_free(g);
 
}

References LW_PARSER_CHECK_NONE, lwgeom_calculate_gbox_cartesian(), lwgeom_free(), lwgeom_from_hexwkb(), lwgeom_from_wkt(), GBOX::xmin, and GBOX::ymax.

Referenced by libgeom_suite_setup().

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