From 191e96924360a0c0ccdad50a833ad0f0707bd572 Mon Sep 17 00:00:00 2001
From: Vadim Pisarevsky <no@email>
Date: Mon, 12 Mar 2012 16:45:17 +0000
Subject: [PATCH] fixed angle check in squares.py (thanks to Abid Rahman)

---
 samples/python2/squares.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/python2/squares.py b/samples/python2/squares.py
index 32d3c2db63..2194a721a4 100644
--- a/samples/python2/squares.py
+++ b/samples/python2/squares.py
@@ -3,7 +3,7 @@ import cv2
 
 
 def angle_cos(p0, p1, p2):
-    d1, d2 = p0-p1, p2-p1
+    d1, d2 = (p0-p1).astype('float'), (p2-p1).astype('float')
     return abs( np.dot(d1, d2) / np.sqrt( np.dot(d1, d1)*np.dot(d2, d2) ) )
 
 def find_squares(img):