Make area unit tests actually test against known good values

git-svn-id: http://svn.osgeo.org/postgis/trunk@5177 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/liblwgeom/cunit/cu_geodetic.c b/liblwgeom/cunit/cu_geodetic.c
index e4ecc7414642d8d623345598d1b5e43bd7016fc2..375669553930b2eccdbed6375b1ce52aec741fe6 100644 (file)
--- a/liblwgeom/cunit/cu_geodetic.c
+++ b/liblwgeom/cunit/cu_geodetic.c
@@ -965,7 +965,9 @@ void test_spheroid_area(void)
        a1 = lwgeom_area_sphere(lwg, &gbox, &s);
        a2 = lwgeom_area_spheroid(lwg, &gbox, &s);
        //printf("\nsphere: %.12g\nspheroid: %.12g\n", a1, a2);
-       CU_ASSERT_DOUBLE_EQUAL(a1, a2, 0.2);
+       CU_ASSERT_DOUBLE_EQUAL(a1, 89.7211470368, 0.0001); /* sphere */
+       CU_ASSERT_DOUBLE_EQUAL(a2, 89.8684316032, 0.0001); /* spheroid */
+       
 
        /* Big-ass polygon */
        lwg = lwgeom_from_ewkt("POLYGON((-2 3, -2 4, -1 4, -1 3, -2 3))", PARSER_CHECK_NONE);
@@ -973,7 +975,8 @@ void test_spheroid_area(void)
        a1 = lwgeom_area_sphere(lwg, &gbox, &s);
        a2 = lwgeom_area_spheroid(lwg, &gbox, &s);
        //printf("\nsphere: %.12g\nspheroid: %.12g\n", a1, a2);
-       CU_ASSERT_DOUBLE_EQUAL(a1, a2, 100000000.0);
+       CU_ASSERT_DOUBLE_EQUAL(a1, 12341436880.1, 10.0); /* sphere */
+       CU_ASSERT_DOUBLE_EQUAL(a2, 12286574431.9, 10.0); /* spheroid */
 
 }