From ab8861fa1004c55900db61687ec6a7ad295f8613 Mon Sep 17 00:00:00 2001
From: Maria Dimashova <no@email>
Date: Tue, 8 Jun 2010 13:17:41 +0000
Subject: [PATCH] fixed assert() in BruteForceMatcher<Distance>::matchImpl()

---
 modules/features2d/include/opencv2/features2d/features2d.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/features2d/include/opencv2/features2d/features2d.hpp b/modules/features2d/include/opencv2/features2d/features2d.hpp
index c83fea0dbb..6a555cbb41 100644
--- a/modules/features2d/include/opencv2/features2d/features2d.hpp
+++ b/modules/features2d/include/opencv2/features2d/features2d.hpp
@@ -1650,7 +1650,7 @@ void BruteForceMatcher<Distance>::matchImpl( const Mat& descriptors_1, const Mat
 
     assert( mask.empty() || (mask.rows == descriptors_1.rows && mask.cols == descriptors_2.rows) );
 
-    assert( descriptors_1.cols == descriptors_2.cols );
+    assert( descriptors_1.cols == descriptors_2.cols ||  descriptors_1.empty() ||  descriptors_2.empty() );
     assert( DataType<ValueType>::type == descriptors_1.type() ||  descriptors_1.empty() );
     assert( DataType<ValueType>::type == descriptors_2.type() ||  descriptors_2.empty() );