From fabf6830ee2a4f51da9aa8a6aa1d64be9fc08bdb Mon Sep 17 00:00:00 2001
From: Pavel Krajcevski <pavel@cs.unc.edu>
Date: Fri, 28 Mar 2014 11:40:38 -0400
Subject: [PATCH] Fix bug so that we at least generate *some* endpoints

---
 BPTCEncoder/src/RGBAEndpoints.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/BPTCEncoder/src/RGBAEndpoints.cpp b/BPTCEncoder/src/RGBAEndpoints.cpp
index 1cbb722..5a11ea0 100755
--- a/BPTCEncoder/src/RGBAEndpoints.cpp
+++ b/BPTCEncoder/src/RGBAEndpoints.cpp
@@ -306,7 +306,8 @@ double RGBACluster::QuantizedError(
 
     float minError = FLT_MAX;
     uint8 bestBucket = 0;
-    for(int32 j = j1; j <= j2; j++) {
+    int32 j = j1;
+    do {
 
       uint32 interp0 = (*interpVals)[j][0];
       uint32 interp1 = (*interpVals)[j][1];
@@ -331,7 +332,7 @@ double RGBACluster::QuantizedError(
       else if(error > minError) {
         break;
       }
-    }
+    } while(++j <= j2);
 
     totalError += minError;