test_trim_bits()

static void test_trim_bits ( void  )

static

Definition at line 1750 of file cu_algorithm.c.

{
        POINTARRAY *pta = ptarray_construct_empty(LW_TRUE, LW_TRUE, 2);
        POINT4D pt;
        LWLINE *line;
        int precision;
        uint32_t i;
 
        pt.x = 1.2345678901234;
        pt.y = 2.3456789012345;
        pt.z = 3.4567890123456;
        pt.m = 4.5678901234567;
 
        ptarray_insert_point(pta, &pt, 0);
 
        pt.x *= 3;
        pt.y *= 3;
        pt.y *= 3;
        pt.z *= 3;
 
        ptarray_insert_point(pta, &pt, 1);
 
        line = lwline_construct(0, NULL, pta);
 
        for (precision = -15; precision <= 15; precision++)
        {
                LWLINE *line2 = (LWLINE*) lwgeom_clone_deep((LWGEOM*) line);
                lwgeom_trim_bits_in_place((LWGEOM*) line2, precision, precision, precision, precision);
 
                for (i = 0; i < line->points->npoints; i++)
                {
                        POINT4D pt1 = getPoint4d(line->points, i);
                        POINT4D pt2 = getPoint4d(line2->points, i);
 
                        CU_ASSERT_DOUBLE_EQUAL(pt1.x, pt2.x, pow(10, -1*precision));
                        CU_ASSERT_DOUBLE_EQUAL(pt1.y, pt2.y, pow(10, -1*precision));
                        CU_ASSERT_DOUBLE_EQUAL(pt1.z, pt2.z, pow(10, -1*precision));
                        CU_ASSERT_DOUBLE_EQUAL(pt1.m, pt2.m, pow(10, -1*precision));
                }
 
                lwline_free(line2);
        }
 
        lwline_free(line);
}

References getPoint4d(), LW_TRUE, lwgeom_clone_deep(), lwgeom_trim_bits_in_place(), lwline_construct(), lwline_free(), POINT4D::m, POINTARRAY::npoints, LWLINE::points, precision, ptarray_construct_empty(), ptarray_insert_point(), POINT4D::x, POINT4D::y, and POINT4D::z.

Referenced by algorithms_suite_setup().

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