Revision: 42089
http://brlcad.svn.sourceforge.net/brlcad/?rev=42089&view=rev
Author: brlcad
Date: 2011-01-11 21:38:37 +0000 (Tue, 11 Jan 2011)
Log Message:
-----------
eliminate exact floating point comaprison
Modified Paths:
--------------
brlcad/trunk/src/adrt/libtie/tie.c
Modified: brlcad/trunk/src/adrt/libtie/tie.c
===================================================================
--- brlcad/trunk/src/adrt/libtie/tie.c 2011-01-11 21:37:35 UTC (rev 42088)
+++ brlcad/trunk/src/adrt/libtie/tie.c 2011-01-11 21:38:37 UTC (rev 42089)
@@ -220,7 +220,7 @@
* this allows those divides to become fast multiplies.
*/
for (i = 0; i < 3; i++) {
- if (ray->dir.v[i] == 0.0)
+ if (NEAR_ZERO(ray->dir.v[i], SMALL_FASTF))
ray->dir.v[i] = TIE_PREC;
dirinv[i] = 1.0 / ray->dir.v[i];
ab[i] = dirinv[i] < 0.0 ? 1.0 : 0.0;
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