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// Copyright (c) 2005, 2006 Utrecht University (The Netherlands),
// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
// and Tel-Aviv University (Israel). All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; version 2.1 of the License.
// See the file LICENSE.LGPL 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: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.5-branch/Kernel_23/include/CGAL/Kernel/Type_mapper.h $
// $Id: Type_mapper.h 40030 2007-08-24 12:57:55Z spion $
//
//
// Author(s) : Sylvain Pion
#ifndef CGAL_KERNEL_TYPE_MAPPER_H
#define CGAL_KERNEL_TYPE_MAPPER_H
#include <CGAL/basic.h>
CGAL_BEGIN_NAMESPACE
// This is a tool to obtain the K2::Point_2 from K1 and K1::Point_2.
// Similarly for other kernel types.
// TODO : add more specializations ? Use a different mechanism ?
template < typename T, typename K1, typename K2 >
struct Type_mapper
{
typedef T type; // By default, assume same type (e.g. Object).
};
// Then we specialize for all kernel objects.
#define CGAL_Kernel_obj(X) \
template < typename K1, typename K2 > \
struct Type_mapper < typename K1::X, K1, K2 > \
{ typedef typename K2::X type; };
#include <CGAL/Kernel/interface_macros.h>
CGAL_END_NAMESPACE
#endif // CGAL_KERNEL_TYPE_MAPPER_H
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