From e6d11bd3fae1b46247a7f08545e8a6b63d3a24d8 Mon Sep 17 00:00:00 2001
From: Chris Cameron <chris.cameron@wedoresi.com>
Date: Thu, 5 Apr 2018 09:31:11 -0400
Subject: [PATCH] fix: Catching case where MapRange would generate a NaN value

---
 ICD.Common.Utils/MathUtils.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ICD.Common.Utils/MathUtils.cs b/ICD.Common.Utils/MathUtils.cs
index 26b9258..7d718fd 100644
--- a/ICD.Common.Utils/MathUtils.cs
+++ b/ICD.Common.Utils/MathUtils.cs
@@ -71,6 +71,9 @@ namespace ICD.Common.Utils
 		/// <returns>The newly mapped value</returns>
 		public static double MapRange(double inputStart, double inputEnd, double outputStart, double outputEnd, double value)
 		{
+			if (inputStart.Equals(inputEnd))
+				throw new DivideByZeroException();
+
 			double slope = (outputEnd - outputStart) / (inputEnd - inputStart);
 			return outputStart + slope * (value - inputStart);
 		}