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// Copyright (c) 2000 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-3.2-branch/Intersections_2/include/CGAL/Point_2_Line_2_intersection.h $
// $Id: Point_2_Line_2_intersection.h 28567 2006-02-16 14:30:13Z lsaboret $
//
//
// Author(s) : Geert-Jan Giezeman
#ifndef CGAL_POINT_2_LINE_2_INTERSECTION_H
#define CGAL_POINT_2_LINE_2_INTERSECTION_H
#include <CGAL/Line_2.h>
#include <CGAL/Point_2.h>
#include <CGAL/Object.h>
CGAL_BEGIN_NAMESPACE
namespace CGALi {
template <class K>
inline bool
do_intersect(const typename CGAL_WRAP(K)::Point_2 &pt,
const typename CGAL_WRAP(K)::Line_2 &line,
const K&)
{
return line.has_on(pt);
}
template <class K>
inline bool
do_intersect(const typename CGAL_WRAP(K)::Line_2 &line,
const typename CGAL_WRAP(K)::Point_2 &pt,
const K&)
{
return line.has_on(pt);
}
template <class K>
Object
intersection(const typename CGAL_WRAP(K)::Point_2 &pt,
const typename CGAL_WRAP(K)::Line_2 &line,
const K& k)
{
if (do_intersect(pt,line, k)) {
return make_object(pt);
}
return Object();
}
template <class K>
Object
intersection(const typename CGAL_WRAP(K)::Line_2 &line,
const typename CGAL_WRAP(K)::Point_2 &pt,
const K& k)
{
if (do_intersect(pt,line, k)) {
return make_object(pt);
}
return Object();
}
} // namespace CGALi
template <class K>
inline
bool
do_intersect(const Line_2<K> &line,
const Point_2<K> &pt)
{
typedef typename K::Do_intersect_2 Do_intersect;
return Do_intersect()(pt, line);
}
template <class K>
inline
bool
do_intersect(const Point_2<K> &pt,
const Line_2<K> &line)
{
typedef typename K::Do_intersect_2 Do_intersect;
return Do_intersect()(pt, line);
}
template <class K>
inline
Object
intersection(const Line_2<K> &line,
const Point_2<K> &pt)
{
typedef typename K::Intersect_2 Intersect;
return Intersect()(pt, line);
}
template <class K>
inline
Object
intersection(const Point_2<K> &pt,
const Line_2<K> &line)
{
typedef typename K::Intersect_2 Intersect;
return Intersect()(pt, line);
}
CGAL_END_NAMESPACE
#endif
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