[Bf-blender-cvs] [e1dc54c8fc8] master: Cleanup: Fix mul_v2_v2_ccw for repeated arguments (no functional changes)

[Chris Blackbourn]

Commit: e1dc54c8fc864d8af62f2fc8376a0678f159ebca
Author: Chris Blackbourn
Date:   Wed Jun 29 11:18:34 2022 +1200
Branches: master
https://developer.blender.org/rBe1dc54c8fc864d8af62f2fc8376a0678f159ebca

Cleanup: Fix mul_v2_v2_ccw for repeated arguments (no functional changes)

Prep for D15263

===================================================================

M	source/blender/blenlib/intern/math_vector_inline.c

===================================================================

diff --git a/source/blender/blenlib/intern/math_vector_inline.c b/source/blender/blenlib/intern/math_vector_inline.c
index 339bfb8f95e..3e9443dddb0 100644
--- a/source/blender/blenlib/intern/math_vector_inline.c
+++ b/source/blender/blenlib/intern/math_vector_inline.c
@@ -613,10 +613,10 @@ MINLINE void mul_v2_v2_cw(float r[2], const float mat[2], const float vec[2])
 
 MINLINE void mul_v2_v2_ccw(float r[2], const float mat[2], const float vec[2])
 {
-  BLI_assert(r != vec);
-
-  r[0] = mat[0] * vec[0] + (-mat[1]) * vec[1];
-  r[1] = mat[1] * vec[0] + (+mat[0]) * vec[1];
+  float r0 = mat[0] * vec[0] + (-mat[1]) * vec[1];
+  float r1 = mat[1] * vec[0] + (+mat[0]) * vec[1];
+  r[0] = r0;
+  r[1] = r1;
 }
 
 MINLINE float mul_project_m4_v3_zfac(const float mat[4][4], const float co[3])