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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/Cartesian_kernel/include/CGAL/Cartesian/Ray_2.h $
// $Id: Ray_2.h 28567 2006-02-16 14:30:13Z lsaboret $
//
//
// Author(s) : Andreas Fabri, Herve Bronnimann
#ifndef CGAL_CARTESIAN_RAY_2_H
#define CGAL_CARTESIAN_RAY_2_H
#include <CGAL/Twotuple.h>
CGAL_BEGIN_NAMESPACE
template < class R_ >
class RayC2
{
typedef typename R_::FT FT;
typedef typename R_::Point_2 Point_2;
typedef typename R_::Ray_2 Ray_2;
typedef typename R_::Aff_transformation_2 Aff_transformation_2;
typedef Twotuple<Point_2> Rep;
typedef typename R_::template Handle<Rep>::type Base;
Base base;
public:
typedef R_ R;
RayC2()
{}
RayC2(const Point_2 &sp, const Point_2 &secondp)
: base(sp, secondp)
{}
const Point_2&
source() const
{
return get(base).e0;
}
const Point_2 &
second_point() const
{
return get(base).e1;
}
Ray_2
transform(const Aff_transformation_2 &t) const
{
return Ray_2(t.transform(source()), t.transform(second_point()));
}
};
#ifndef CGAL_NO_OSTREAM_INSERT_RAYC2
template < class R >
std::ostream &
operator<<(std::ostream &os, const RayC2<R> &r)
{
switch(os.iword(IO::mode)) {
case IO::ASCII :
return os << r.source() << ' ' << r.second_point();
case IO::BINARY :
return os << r.source() << r.second_point();
default:
return os << "RayC2(" << r.source() << ", " << r.second_point() << ")";
}
}
#endif // CGAL_NO_OSTREAM_INSERT_RAYC2
#ifndef CGAL_NO_ISTREAM_EXTRACT_RAYC2
template < class R >
std::istream &
operator>>(std::istream &is, RayC2<R> &r)
{
typename R::Point_2 p, q;
is >> p >> q;
if (is)
r = RayC2<R>(p, q);
return is;
}
#endif // CGAL_NO_ISTREAM_EXTRACT_RAYC2
CGAL_END_NAMESPACE
#endif // CGAL_CARTESIAN_RAY_2_H
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