mirror of https://github.com/CGAL/cgal
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
// Copyright (c) 1999 Max-Planck-Institute Saarbruecken (Germany).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL 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) : Stefan Schirra
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// This file's name must begin with a lower-case letter for backward
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// compatability. Unfortunately, you can't have a file that differs only
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// in capitalization on the Windows platforms.
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#ifndef CGAL_CONVEX_HULL_TRAITS_2_H
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#define CGAL_CONVEX_HULL_TRAITS_2_H
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#include <CGAL/Point_2.h>
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#include <CGAL/predicates_on_points_2.h>
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#include <CGAL/distance_predicates_2.h>
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namespace CGAL {
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template <class K_>
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class Convex_hull_traits_2 : public K_
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{
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public:
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typedef K_ K;
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typedef typename K::Point_2 Point_2;
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typedef typename K::Less_xy_2 Less_xy_2;
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typedef typename K::Less_yx_2 Less_yx_2;
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typedef typename K::Less_signed_distance_to_line_2
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Less_signed_distance_to_line_2;
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typedef typename K::Less_rotate_ccw_2 Less_rotate_ccw_2;
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typedef typename K::Left_turn_2 Left_turn_2;
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typedef typename K::Equal_2 Equal_2;
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typedef typename K::Segment_2 Segment_2;
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Less_xy_2
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less_xy_2_object() const
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{ return Less_xy_2(); }
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Less_yx_2
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less_yx_2_object() const
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{ return Less_yx_2(); }
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Less_signed_distance_to_line_2
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less_signed_distance_to_line_2_object( ) const
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{ return Less_signed_distance_to_line_2( ); }
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Less_rotate_ccw_2
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less_rotate_ccw_2_object() const
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{ return Less_rotate_ccw_2(); }
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Left_turn_2
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left_turn_2_object() const
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{ return Left_turn_2(); }
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Equal_2
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equal_2_object() const
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{ return Equal_2(); }
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};
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template <class K>
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class convex_hull_traits_2 : public Convex_hull_traits_2<K>
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{};
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} //namespace CGAL
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#endif // CGAL_CONVEX_HULL_TRAITS_2_H
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