1 files changed, 12 insertions, 2 deletions
diff --git a/source/blender/blenlib/intern/math_vector_inline.c b/source/blender/blenlib/intern/math_vector_inline.c
index 13623d9a93a..c460b69679b 100644
--- a/source/blender/blenlib/intern/math_vector_inline.c
+++ b/source/blender/blenlib/intern/math_vector_inline.c
@@ -1,6 +1,4 @@
 /*
- * $Id$
- *
  * ***** BEGIN GPL LICENSE BLOCK *****
  *
  * This program is free software; you can redistribute it and/or
@@ -310,6 +308,18 @@ MINLINE void mul_v3_v3v3(float r[3], const float v1[3], const float v2[3])
 	r[2] = v1[2] * v2[2];
 }
 
+MINLINE void negate_v2(float r[3])
+{
+	r[0]= -r[0];
+	r[1]= -r[1];
+}
+
+MINLINE void negate_v2_v2(float r[2], const float a[2])
+{
+	r[0]= -a[0];
+	r[1]= -a[1];
+}
+
 MINLINE void negate_v3(float r[3])
 {
 	r[0]= -r[0];