Revision: 52791
http://brlcad.svn.sourceforge.net/brlcad/?rev=52791&view=rev
Author: r_weiss
Date: 2012-10-04 20:16:13 +0000 (Thu, 04 Oct 2012)
Log Message:
-----------
Fixed a bug in function "isect_ray_planar_face" in file "nmg_rt_isect.c".
Points were not being detected in the negative direction from the plane which
were more than distance tolerance away. Also added the "UNLIKELY" macro to
improve performance.
Modified Paths:
--------------
brlcad/trunk/src/librt/primitives/nmg/nmg_rt_isect.c
Modified: brlcad/trunk/src/librt/primitives/nmg/nmg_rt_isect.c
===================================================================
--- brlcad/trunk/src/librt/primitives/nmg/nmg_rt_isect.c 2012-10-04
20:10:49 UTC (rev 52790)
+++ brlcad/trunk/src/librt/primitives/nmg/nmg_rt_isect.c 2012-10-04
20:16:13 UTC (rev 52791)
@@ -2082,13 +2082,13 @@
VMOVE(plane_pt, rd->plane_pt);
dist = rd->ray_dist_to_plane;
- if (DIST_PT_PLANE(plane_pt, norm) > rd->tol->dist) {
+ if (UNLIKELY(fabs(DIST_PT_PLANE(plane_pt, norm)) > rd->tol->dist)) {
bu_log("%s:%d plane_pt (%g %g %g) @ dist (%g)out of tolerance\n",
__FILE__, __LINE__, V3ARGS(plane_pt), dist);
bu_bomb("isect_ray_planar_face() dist out of tol\n");
}
- if (rt_g.NMG_debug & DEBUG_RT_ISECT) {
+ if (UNLIKELY(rt_g.NMG_debug & DEBUG_RT_ISECT)) {
fastf_t new_dist;
bu_log("\tray (%16.10e %16.10e %16.10e) (-> %16.10e %16.10e %16.10e)\n",
rd->rp->r_pt[0],
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