From a002561f155fc6ee26725ecf466cd4c8c24a0c0d Mon Sep 17 00:00:00 2001
From: Efi Fogel <efif@post.tau.ac.il>
Date: Sun, 1 Nov 2009 10:57:26 +0000
Subject: [PATCH] 1st revision

---
 .../include/CGAL/IO/Gps_iostream.h            | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Boolean_set_operations_2/include/CGAL/IO/Gps_iostream.h

diff --git a/Boolean_set_operations_2/include/CGAL/IO/Gps_iostream.h b/Boolean_set_operations_2/include/CGAL/IO/Gps_iostream.h
new file mode 100644
index 00000000000..36fcbaff3d3
--- /dev/null
+++ b/Boolean_set_operations_2/include/CGAL/IO/Gps_iostream.h
@@ -0,0 +1,51 @@
+// Copyright (c) 2009  Tel-Aviv University (Israel).
+// All rights reserved.
+//
+// This file is part of CGAL (www.cgal.org); you may redistribute it under
+// the terms of the Q Public License version 1.0.
+// See the file LICENSE.QPL distributed with CGAL.
+//
+// Licensees holding a valid commercial license may use this file in
+// accordance with the commercial license agreement provided with the software.
+//
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// $URL$
+// $Id$
+// 
+//
+// Author(s)     : Efi Fogel <efif@post.tau.ac.il>
+
+#ifndef CGAL_GPS_IOSTREAM_H
+#define CGAL_GPS_IOSTREAM_H
+
+#include <iostream>
+#include <list>
+
+#include <CGAL/basic.h>
+#include <CGAL/General_polygon_set_2.h>
+
+CGAL_BEGIN_NAMESPACE
+
+template <typename Traits>
+std::ostream & operator<< (std::ostream& os,
+                           const CGAL::General_polygon_set_2<Traits> & pgn_set)
+{
+  typedef typename CGAL::General_polygon_set_2<Traits>::Polygon_with_holes_2
+                                                        Polygon_with_holes_2;
+  typedef std::list<Polygon_with_holes_2>               Pgn_with_holes_container;
+
+  Pgn_with_holes_container res;
+  pgn_set.polygons_with_holes (std::back_inserter (res));
+
+  std::cout << pgn_set.number_of_polygons_with_holes() << std::endl;
+  std::copy(res.begin(), res.end(),
+            std::ostream_iterator<Polygon_with_holes_2>(std::cout, "\n"));
+  
+  return os;
+}
+
+CGAL_END_NAMESPACE
+
+#endif