Fix minimum bounding circle test for 32-bit build

git-svn-id: http://svn.osgeo.org/postgis/trunk@14450 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/liblwgeom/cunit/cu_minimum_bounding_circle.c b/liblwgeom/cunit/cu_minimum_bounding_circle.c
index 05771fe3bb6435b251e4f49965a973adf721c7e7..277fd7bb8de01fbae63a3335b03513a481728c3e 100644 (file)
--- a/liblwgeom/cunit/cu_minimum_bounding_circle.c
+++ b/liblwgeom/cunit/cu_minimum_bounding_circle.c
@@ -27,7 +27,12 @@ static void mbc_test(LWGEOM* g)
                p.x = p4.x;
                p.y = p4.y;
 
-               CU_ASSERT_TRUE(distance2d_pt_pt(result->center, &p) <= result->radius);
+               /* We need to store the distance in a variable before the assert so that 
+                * it is rounded from its 80-bit representation (on x86) down to 64 bits. 
+                * */
+               double d = distance2d_pt_pt(result->center, &p);
+
+               CU_ASSERT_TRUE(d <= result->radius);
        }
 
        lwboundingcircle_destroy(result);