From a6e6138084f6618729d59e1790e2c09ebce26dbd Mon Sep 17 00:00:00 2001
From: Pavel Krajcevski <pavel@cs.unc.edu>
Date: Thu, 5 Sep 2013 14:49:56 -0400
Subject: [PATCH] Change the lerp function to be more explicit.

---
 PVRTCEncoder/src/Decompressor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PVRTCEncoder/src/Decompressor.cpp b/PVRTCEncoder/src/Decompressor.cpp
index 2f7db28..bb458a3 100644
--- a/PVRTCEncoder/src/Decompressor.cpp
+++ b/PVRTCEncoder/src/Decompressor.cpp
@@ -190,7 +190,7 @@ namespace PVRTCC {
             int16 va = static_cast<int16>(pa.Component(c));
             int16 vb = static_cast<int16>(pb.Component(c));
 
-            result.Component(c) = va + ((vb - va) * lerpVal) / 8;
+            result.Component(c) = (va * (8 - lerpVal) + vb * lerpVal) / 8;
           }
         }