Complementary fix for rB8054372: Follow the common naming scheme by

using negate_mat3_m4 instead of negate_m4.

This avoids changing the behavior and only flips the 3x3 part of the
matrix.

1 files changed, 9 insertions, 0 deletions

diff --git a/source/blender/blenlib/intern/math_matrix.c b/source/blender/blenlib/intern/math_matrix.c
index fb04271fedd..0204c3bc86c 100644
--- a/source/blender/blenlib/intern/math_matrix.c
+++ b/source/blender/blenlib/intern/math_matrix.c
@@ -648,6 +648,15 @@ void negate_m3(float m[3][3])
 			m[i][j] *= -1.0f;
 }
 
+void negate_mat3_m4(float m[4][4])
+{
+	int i, j;
+
+	for (i = 0; i < 3; i++)
+		for (j = 0; j < 3; j++)
+			m[i][j] *= -1.0f;
+}
+
 void negate_m4(float m[4][4])
 {
 	int i, j;