Math Lib: rotate matrix cleanup

- Remove 'rotate_m2', unlike 'rotate_m4' it created a new matrix
  duplicating 'angle_to_mat2' - now used instead.
  (better avoid matching functions having different behavior).

- Add 'axis_angle_to_mat4_single',
  convenience wrapper for 'axis_angle_to_mat3_single'.

- Replace 'unit_m4(), rotate_m4()' with a single call to 'axis_angle_to_mat4_single'.

1 files changed, 0 insertions, 1 deletions

diff --git a/source/blender/blenlib/BLI_math_matrix.h b/source/blender/blenlib/BLI_math_matrix.h
index 8124e07dd47..d0dfad2a02f 100644
--- a/source/blender/blenlib/BLI_math_matrix.h
+++ b/source/blender/blenlib/BLI_math_matrix.h
@@ -219,7 +219,6 @@ void mat4_to_size(float r[3], float M[4][4]);
 
 void translate_m4(float mat[4][4], float tx, float ty, float tz);
 void rotate_m4(float mat[4][4], const char axis, const float angle);
-void rotate_m2(float mat[2][2], const float angle);
 void transform_pivot_set_m4(float mat[4][4], const float pivot[3]);
 
 void mat3_to_rot_size(float rot[3][3], float size[3], float mat3[3][3]);