From c46546203f35816ea669d604746f49a8fac2ee2f Mon Sep 17 00:00:00 2001
From: Maria Dimashova <no@email>
Date: Thu, 25 Nov 2010 09:22:22 +0000
Subject: [PATCH] fixed compile error under win32

---
 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 b7f551a..a291911 100644
--- a/modules/features2d/include/opencv2/features2d/features2d.hpp
+++ b/modules/features2d/include/opencv2/features2d/features2d.hpp
@@ -1804,7 +1804,7 @@ struct CV_EXPORTS L2
             ResultType diff = a[i] - b[i];
             result += diff*diff;
         }
-        return sqrt(result);
+        return (ResultType)sqrt((double)result);
     }
 };
 
-- 
2.7.4