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Diffstat (limited to 'source/blender/blenlib/intern/math_rotation.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_rotation.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/math_rotation.c b/source/blender/blenlib/intern/math_rotation.c index b38b5a2de10..e6399ed356e 100644 --- a/source/blender/blenlib/intern/math_rotation.c +++ b/source/blender/blenlib/intern/math_rotation.c @@ -84,6 +84,8 @@ void mul_qt_qtqt(float q[4], const float q1[4], const float q2[4]) * \note: * Assumes a unit quaternion? * + * \note: multiplying by 3x3 matrix is ~25% faster. + * * in fact not, but you may want to use a unit quat, read on... * * Shortcut for 'q v q*' when \a v is actually a quaternion. |