From 31aa0a1aac5066061b3ed82e95d5b33b7bb3a4c0 Mon Sep 17 00:00:00 2001
From: Travis Nickles <ryochan7@protonmail.com>
Date: Wed, 15 Apr 2020 06:27:48 -0500
Subject: [PATCH] Fixed NaN problem when cap is 0

---
 DS4Windows/DS4Control/Mapping.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/DS4Windows/DS4Control/Mapping.cs b/DS4Windows/DS4Control/Mapping.cs
index 41654d4..e6530ea 100644
--- a/DS4Windows/DS4Control/Mapping.cs
+++ b/DS4Windows/DS4Control/Mapping.cs
@@ -1082,8 +1082,8 @@ namespace DS4Windows
                 double absSideX = Math.Abs(sideX); double absSideY = Math.Abs(sideY);
                 if (absSideX > capX) capX = absSideX;
                 if (absSideY > capY) capY = absSideY;
-                double tempRatioX = (dState.RX - 128.0) / capX;
-                double tempRatioY = (dState.RY - 128.0) / capY;
+                double tempRatioX = capX > 0 ? (dState.RX - 128.0) / capX : 0;
+                double tempRatioY = capY > 0 ? (dState.RY - 128.0) / capY : 0;
                 double signX = tempRatioX >= 0.0 ? 1.0 : -1.0;
                 double signY = tempRatioY >= 0.0 ? 1.0 : -1.0;