From d781e52ee042d5a7e371da0a6d7dc8996d23d804 Mon Sep 17 00:00:00 2001
From: Campbell Barton <campbell@blender.org>
Date: Wed, 8 Feb 2023 17:03:21 +1100
Subject: [PATCH] Cleanup: use enum literals, order likely case first in
 polyfill_2d

---
 source/blender/blenlib/intern/polyfill_2d.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/source/blender/blenlib/intern/polyfill_2d.c b/source/blender/blenlib/intern/polyfill_2d.c
index 85421c9bdc7..4f4166d8de8 100644
--- a/source/blender/blenlib/intern/polyfill_2d.c
+++ b/source/blender/blenlib/intern/polyfill_2d.c
@@ -160,14 +160,13 @@ static void pf_ear_tip_cut(PolyFill *pf, PolyIndex *pi_ear_tip);
 
 BLI_INLINE eSign signum_enum(float a)
 {
-  if (UNLIKELY(a == 0.0f)) {
-    return 0;
-  }
   if (a > 0.0f) {
-    return 1;
+    return CONVEX;
   }
-
-  return -1;
+  if (UNLIKELY(a == 0.0f)) {
+    return TANGENTIAL;
+  }
+  return CONCAVE;
 }
 
 /**