mirror of https://github.com/CGAL/cgal
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// Copyright (c) 1997-2000 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Michael Seel <seel@mpi-sb.mpg.de>
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#ifndef CGAL_SIMPLE_OBJECTS_H
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#define CGAL_SIMPLE_OBJECTS_H
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CGAL_BEGIN_NAMESPACE
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template <class R>
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struct Lt_from_compare {
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typedef typename R::Point_d Point_d;
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bool operator()(const Point_d& p1, const Point_d& p2) const
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{ typename R::Compare_lexicographically_d cmp;
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return cmp(p1,p2) == SMALLER; }
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};
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template <class R>
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struct Le_from_compare {
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typedef typename R::Point_d Point_d;
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bool operator()(const Point_d& p1, const Point_d& p2) const
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{ typename R::Compare_lexicographically_d cmp;
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return cmp(p1,p2) != LARGER; }
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};
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template <class R>
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struct Eq_from_method {
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typedef typename R::Point_d Point_d;
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bool operator()(const Point_d& p1, const Point_d& p2) const
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{ return p1 == p2; }
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};
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CGAL_END_NAMESPACE
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#endif // CGAL_SIMPLE_OBJECTS_H
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