[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [45046] trunk/blender/source/blender/ python/mathutils/mathutils_Quaternion.c: fix for Quaternion.to_axis_angle() returning a zero axis vector.

Campbell Barton ideasman42 at gmail.com
Wed Mar 21 00:37:55 CET 2012


Revision: 45046
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=45046
Author:   campbellbarton
Date:     2012-03-20 23:37:54 +0000 (Tue, 20 Mar 2012)
Log Message:
-----------
fix for Quaternion.to_axis_angle() returning a zero axis vector.

Modified Paths:
--------------
    trunk/blender/source/blender/python/mathutils/mathutils_Quaternion.c

Modified: trunk/blender/source/blender/python/mathutils/mathutils_Quaternion.c
===================================================================
--- trunk/blender/source/blender/python/mathutils/mathutils_Quaternion.c	2012-03-20 23:10:46 UTC (rev 45045)
+++ trunk/blender/source/blender/python/mathutils/mathutils_Quaternion.c	2012-03-20 23:37:54 UTC (rev 45046)
@@ -1105,7 +1105,8 @@
 static void quat__axis_angle_sanitize(float axis[3], float *angle)
 {
 	if (axis) {
-		if (!finite(axis[0]) ||
+		if (is_zero_v3(axis) ||
+		    !finite(axis[0]) ||
 		    !finite(axis[1]) ||
 		    !finite(axis[2]))
 		{




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