1 files changed, 6 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/math_matrix.c b/source/blender/blenlib/intern/math_matrix.c
index d24200fc0b7..6b96f0515b9 100644
--- a/source/blender/blenlib/intern/math_matrix.c
+++ b/source/blender/blenlib/intern/math_matrix.c
@@ -2070,3 +2070,9 @@ void pseudoinverse_m3_m3(float Ainv[3][3], float A[3][3], float epsilon)
 	}
 }
 
+bool has_zero_axis_m4(float matrix[4][4])
+{
+	return len_squared_v3(matrix[0]) < FLT_EPSILON ||
+	       len_squared_v3(matrix[1]) < FLT_EPSILON ||
+	       len_squared_v3(matrix[2]) < FLT_EPSILON;
+}