From 552e99f9598877f97f4b95bfb56e618daaa1fd6a Mon Sep 17 00:00:00 2001
From: Colin Heinzmann <colin@heinzmann.me>
Date: Mon, 25 Apr 2016 07:15:34 -0400
Subject: [PATCH] fixed PCA disagreement

---
 openbr/plugins/cuda/cudapca.cu | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/openbr/plugins/cuda/cudapca.cu b/openbr/plugins/cuda/cudapca.cu
index cc877ce..bc21a86 100644
--- a/openbr/plugins/cuda/cudapca.cu
+++ b/openbr/plugins/cuda/cudapca.cu
@@ -60,12 +60,13 @@ namespace br { namespace cuda { namespace pca {
       return;
     }
 
+    if (numSteps*stepSize+evIdx >= numEigenvectors) {
+      numSteps--;
+    }
+
     float acc = 0;
     for (int i=0; i < numSteps; i++) {
       int ibIdx = i*stepSize + evIdx;
-      if (ibIdx >= numSteps*stepSize) {
-        break;
-      }
       acc += intermediaryBuffer[ibIdx];
     }
 
--
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