Revision: 44814
http://brlcad.svn.sourceforge.net/brlcad/?rev=44814&view=rev
Author: brlcad
Date: 2011-06-08 04:22:51 +0000 (Wed, 08 Jun 2011)
Log Message:
-----------
use M_PI_2 instead of a truncated semblance of pi/2
Modified Paths:
--------------
brlcad/trunk/src/libbn/mat.c
Modified: brlcad/trunk/src/libbn/mat.c
===================================================================
--- brlcad/trunk/src/libbn/mat.c 2011-06-08 04:21:29 UTC (rev 44813)
+++ brlcad/trunk/src/libbn/mat.c 2011-06-08 04:22:51 UTC (rev 44814)
@@ -128,9 +128,9 @@
if (x > -1.0e-20 && x < 1.0e-20) {
/* X is equal to zero, check Y */
if (y < -1.0e-20)
- return -3.14159265358979323/2;
+ return -M_PI_2;
if (y > 1.0e-20)
- return 3.14159265358979323/2;
+ return M_PI_2;
return 0.0;
}
return atan2(y, x);
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