[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [49215] trunk/blender/source/blender/ blenlib/intern/math_rotation.c: Fix regression introduced in svn rev49122
Sergey Sharybin
sergey.vfx at gmail.com
Wed Jul 25 18:37:24 CEST 2012
Revision: 49215
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=49215
Author: nazgul
Date: 2012-07-25 16:37:24 +0000 (Wed, 25 Jul 2012)
Log Message:
-----------
Fix regression introduced in svn rev49122
Would rather have mathematical functions consistent from using
the same vector for input and output values point of view then
introducing questionable optimizations.
Revision Links:
--------------
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=49122
Modified Paths:
--------------
trunk/blender/source/blender/blenlib/intern/math_rotation.c
Modified: trunk/blender/source/blender/blenlib/intern/math_rotation.c
===================================================================
--- trunk/blender/source/blender/blenlib/intern/math_rotation.c 2012-07-25 16:30:53 UTC (rev 49214)
+++ trunk/blender/source/blender/blenlib/intern/math_rotation.c 2012-07-25 16:37:24 UTC (rev 49215)
@@ -662,15 +662,16 @@
/* Axis angle to Quaternions */
void axis_angle_to_quat(float q[4], const float axis[3], const float angle)
{
+ float nor[3];
- if (LIKELY(normalize_v3_v3(q + 1, axis) != 0.0f)) {
+ if (LIKELY(normalize_v3_v3(nor, axis) != 0.0f)) {
const float phi = angle / 2.0f;
float si;
si = sinf(phi);
q[0] = cosf(phi);
- q[1] *= si;
- q[2] *= si;
- q[3] *= si;
+ q[1] = nor[0] * si;
+ q[2] = nor[1] * si;
+ q[3] = nor[2] * si;
}
else {
unit_qt(q);
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