From cc3c4c7861e4a4b9f20c8bba88e7a82a79798079 Mon Sep 17 00:00:00 2001
From: Matt Hill <matthill@gmail.com>
Date: Wed, 19 Feb 2014 18:17:35 -0600
Subject: [PATCH] Updated postprocess permutation calculation to handle corner
 cases (topn = 1 and permutations == topn)

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

diff --git a/src/openalpr/postprocess.cpp b/src/openalpr/postprocess.cpp
index 3a16a37..77e2195 100644
--- a/src/openalpr/postprocess.cpp
+++ b/src/openalpr/postprocess.cpp
@@ -357,10 +357,11 @@ vector<int> PostProcess::getMaxDepth(int topn)
   int nextLeastDropCharPos = getNextLeastDrop(depth);
   while (nextLeastDropCharPos != -1)
   {
-    depth[nextLeastDropCharPos] = depth[nextLeastDropCharPos] + 1;
-    if (getPermutationCount(depth) > topn)
+    if (getPermutationCount(depth) >= topn)
       break;
     
+    depth[nextLeastDropCharPos] = depth[nextLeastDropCharPos] + 1;
+    
     nextLeastDropCharPos = getNextLeastDrop(depth);
   }