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// Copyright (c) 1999 Max-Planck-Institute Saarbruecken (Germany).
// 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
// General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// 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/next/Convex_hull_2/include/CGAL/convex_hull_traits_2.h $
// $Id: convex_hull_traits_2.h 67117 2012-01-13 18:14:48Z lrineau $
//
//
// Author(s) : Stefan Schirra
// This file's name must begin with a lower-case letter for backward
// compatability. Unfortunately, you can't have a file that differs only
// in capitalization on the Windows platforms.
#ifndef CGAL_CONVEX_HULL_TRAITS_2_H
#define CGAL_CONVEX_HULL_TRAITS_2_H
#include <CGAL/Point_2.h>
#include <CGAL/predicates_on_points_2.h>
#include <CGAL/distance_predicates_2.h>
namespace CGAL {
template <class K_>
class Convex_hull_traits_2 : public K_
{
public:
typedef K_ K;
typedef typename K::Point_2 Point_2;
typedef typename K::Less_xy_2 Less_xy_2;
typedef typename K::Less_yx_2 Less_yx_2;
typedef typename K::Less_signed_distance_to_line_2
Less_signed_distance_to_line_2;
typedef typename K::Less_rotate_ccw_2 Less_rotate_ccw_2;
typedef typename K::Left_turn_2 Left_turn_2;
typedef typename K::Equal_2 Equal_2;
typedef typename K::Segment_2 Segment_2;
Less_xy_2
less_xy_2_object() const
{ return Less_xy_2(); }
Less_yx_2
less_yx_2_object() const
{ return Less_yx_2(); }
Less_signed_distance_to_line_2
less_signed_distance_to_line_2_object( ) const
{ return Less_signed_distance_to_line_2( ); }
Less_rotate_ccw_2
less_rotate_ccw_2_object() const
{ return Less_rotate_ccw_2(); }
Left_turn_2
left_turn_2_object() const
{ return Left_turn_2(); }
Equal_2
equal_2_object() const
{ return Equal_2(); }
};
template <class K>
class convex_hull_traits_2 : public Convex_hull_traits_2<K>
{};
} //namespace CGAL
#endif // CGAL_CONVEX_HULL_TRAITS_2_H
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