- some parts of the code to remove rotation were not removing axis/angle rotation (only functional change of this commit).

- use BLI_math functions for removing rotations from objects and pose channels.
- add unit_axis_angle() to avoid setting the Y axis inline anywhere rotation needs removing.

1 files changed, 1 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_math_vector.h b/source/blender/blenlib/BLI_math_vector.h
index 5a5d518940d..4d8a4f2bbaf 100644
--- a/source/blender/blenlib/BLI_math_vector.h
+++ b/source/blender/blenlib/BLI_math_vector.h
@@ -84,6 +84,7 @@ MINLINE void madd_v4_v4fl(float r[4], const float a[4], float f);
 
 MINLINE void negate_v3(float r[3]);
 MINLINE void negate_v3_v3(float r[3], const float a[3]);
+MINLINE void negate_v4(float r[4]);
 
 MINLINE float dot_v2v2(const float a[2], const float b[2]);
 MINLINE float dot_v3v3(const float a[3], const float b[3]);