From e527b963c4d94d4081eb4c057e123eb54db15327 Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Mon, 16 Dec 2019 23:40:16 +0000
Subject: [PATCH] [util] Handle undefined ratios in simplest ratio helper

Fixes division by zero error

Closes #1280
---
 src/util/util_ratio.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/util/util_ratio.h b/src/util/util_ratio.h
index 1e56d33e..0257ad99 100644
--- a/src/util/util_ratio.h
+++ b/src/util/util_ratio.h
@@ -44,6 +44,13 @@ namespace dxvk {
     inline void set(T num, T denom) {
       const T gcd = std::gcd(num, denom);
 
+      if (gcd == 0) {
+        m_num   = 0;
+        m_denom = 0;
+
+        return;
+      }
+
       m_num = num / gcd;
       m_denom = denom / gcd;
     }