1 files changed, 7 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/math_vector_inline.c b/source/blender/blenlib/intern/math_vector_inline.c
index e625ac18685..17e2da3f1cb 100644
--- a/source/blender/blenlib/intern/math_vector_inline.c
+++ b/source/blender/blenlib/intern/math_vector_inline.c
@@ -633,6 +633,13 @@ MINLINE void negate_v3_short(short r[3])
 	r[2] = (short)-r[2];
 }
 
+MINLINE void invert_v2(float r[2])
+{
+	BLI_assert(!ELEM(0.0f, r[0], r[1]));
+	r[0] = 1.0f / r[0];
+	r[1] = 1.0f / r[1];
+}
+
 MINLINE void abs_v2(float r[2])
 {
 	r[0] = fabsf(r[0]);