From 8ca8ac4ab33c5c25a321fcbd59283c69f53ce66d Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Sun, 2 Nov 2014 19:05:42 +0000
Subject: [PATCH] Fix range becoming 0 if both min and max were negative

---
 renderdocui/Controls/RangeHistogram.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/renderdocui/Controls/RangeHistogram.cs b/renderdocui/Controls/RangeHistogram.cs
index 86b274b1e..07e912e5f 100644
--- a/renderdocui/Controls/RangeHistogram.cs
+++ b/renderdocui/Controls/RangeHistogram.cs
@@ -93,7 +93,11 @@ namespace renderdocui.Controls
         public void SetRange(float min, float max)
         {
             m_RangeMin = min;
-            m_RangeMax = Math.Max((min+float.Epsilon)*(1.0f+m_MinRangeSize), max);
+            if (min < 0.0f)
+                m_RangeMax = Math.Max((min - float.Epsilon) * (1.0f - m_MinRangeSize), max);
+            else
+                m_RangeMax = Math.Max((min + float.Epsilon) * (1.0f + m_MinRangeSize), max);
+
             m_BlackPoint = m_RangeMin;
             m_WhitePoint = m_RangeMax;