BWAPI: SPAR/AIModule/BWTA/vendors/CGAL/CGAL/Point_2_Point_2

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00001 // Copyright (c) 2000  Utrecht University (The Netherlands),
00002 // ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
00003 // INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
00004 // (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
00005 // and Tel-Aviv University (Israel).  All rights reserved.
00006 //
00007 // This file is part of CGAL (www.cgal.org); you can redistribute it and/or
00008 // modify it under the terms of the GNU Lesser General Public License as
00009 // published by the Free Software Foundation; version 2.1 of the License.
00010 // See the file LICENSE.LGPL distributed with CGAL.
00011 //
00012 // Licensees holding a valid commercial license may use this file in
00013 // accordance with the commercial license agreement provided with the software.
00014 //
00015 // This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00016 // WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00017 //
00018 // $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.5-branch/Intersections_2/include/CGAL/Point_2_Point_2_intersection.h $
00019 // $Id: Point_2_Point_2_intersection.h 39776 2007-08-08 15:15:20Z spion $
00020 // 
00021 //
00022 // Author(s)     : Geert-Jan Giezeman
00023 
00024 
00025 #ifndef CGAL_POINT_2_POINT_2_INTERSECTION_H
00026 #define CGAL_POINT_2_POINT_2_INTERSECTION_H
00027 
00028 #include <CGAL/Point_2.h>
00029 #include <CGAL/Object.h>
00030 
00031 CGAL_BEGIN_NAMESPACE
00032 
00033 namespace CGALi {
00034 
00035 template <class K>
00036 inline bool
00037 do_intersect(const typename K::Point_2 &pt1, 
00038              const typename K::Point_2 &pt2)
00039 {
00040     return pt1 == pt2;
00041 }
00042 
00043 template <class K>
00044 Object
00045 intersection(const typename K::Point_2 &pt1, 
00046              const typename K::Point_2 &pt2)
00047 {
00048     if (pt1 == pt2) {
00049         return make_object(pt1);
00050     }
00051     return Object();
00052 }
00053 
00054 }// namespace CGALi
00055 
00056 
00057 template <class K>
00058 inline 
00059 bool
00060 do_intersect(const Point_2<K> &pt1, const Point_2<K> &pt2)
00061 {
00062   typedef typename K::Do_intersect_2 Do_intersect;
00063   return Do_intersect()(pt1, pt2);
00064 }
00065 
00066 
00067 template <class K>
00068 inline
00069 Object
00070 intersection(const Point_2<K> &pt1, const Point_2<K> &pt2)
00071 {
00072   typedef typename K::Intersect_2 Intersect;
00073   return Intersect()(pt1, pt2);
00074 }
00075 
00076 CGAL_END_NAMESPACE
00077 
00078 #endif