Slightly loosen equality tolerance check for point in cone... does this fix cunit...

git-svn-id: http://svn.osgeo.org/postgis/trunk@4788 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/liblwgeom/lwgeodetic.c b/liblwgeom/lwgeodetic.c
index 467975041fd2f8501015d00ed4bea9587665bd3e..75219469ed524c4359d57a8e4026155ae32d3513 100644 (file)
--- a/liblwgeom/lwgeodetic.c
+++ b/liblwgeom/lwgeodetic.c
@@ -450,7 +450,7 @@ int edge_point_in_cone(GEOGRAPHIC_EDGE e, GEOGRAPHIC_POINT p)
        ** However, tuning the tolerance value feels like a dangerous hack. 
        ** Fundamentally, the problem is that this test is so sensitive.
        */
-       if ( vp_dot_vcp > vs_dot_vcp || fabs(vp_dot_vcp - vs_dot_vcp) < 1e-17 )
+       if ( vp_dot_vcp > vs_dot_vcp || fabs(vp_dot_vcp - vs_dot_vcp) < 1e-16 )
        {
                LWDEBUG(4, "point is in cone");
                return LW_TRUE;