From bd2c2f3bd15bc9458519f8fd52b98e30067e8a6f Mon Sep 17 00:00:00 2001
From: "S. Garrido" <sgarrido2011@gmail.com>
Date: Wed, 27 May 2015 20:51:53 +0200
Subject: [PATCH] fix isContourConvex

---
 modules/imgproc/src/convhull.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/imgproc/src/convhull.cpp b/modules/imgproc/src/convhull.cpp
index 35526a90b..df50dde4e 100644
--- a/modules/imgproc/src/convhull.cpp
+++ b/modules/imgproc/src/convhull.cpp
@@ -347,7 +347,7 @@ static bool isContourConvex_( const Point_<_Tp>* p, int n )
     _Tp dy0 = cur_pt.y - prev_pt.y;
     int orientation = 0;
 
-    for( int i = 0; i < n-1; i++ )
+    for( int i = 0; i < n; i++ )
     {
         _Tp dxdy0, dydx0;
         _Tp dx, dy;