From ef75fbcbb9bb563332e661532defae531cf98c39 Mon Sep 17 00:00:00 2001
From: Hermet Park <hermet@lottiefiles.com>
Date: Wed, 10 Jul 2024 03:51:50 +0900
Subject: [PATCH] math: ++missing exceptions

---
 src/common/tvgMath.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/common/tvgMath.cpp b/src/common/tvgMath.cpp
index 578d673e..6c738e29 100644
--- a/src/common/tvgMath.cpp
+++ b/src/common/tvgMath.cpp
@@ -103,6 +103,7 @@ namespace tvg {
 //https://en.wikipedia.org/wiki/Remez_algorithm
 float atan2(float y, float x)
 {
+    if (y == 0.0f && x == 0.0f) return 0.0f;
     auto a = std::min(fabsf(x), fabsf(y)) / std::max(fabsf(x), fabsf(y));
     auto s = a * a;
     auto r = ((-0.0464964749f * s + 0.15931422f) * s - 0.327622764f) * s * a + a;