1 files changed, 3 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
index c769488..1d013f7 100644
--- a/src/util.h
+++ b/src/util.h
@@ -17,4 +17,7 @@ typedef struct AxisAngle {
 
 AxisAngle AxisAngleIdentity();
 
+float signum(float n);
+float closestAngle(float a1, float a2);
+
 #endif