dust3d/thirdparty/cgal/CGAL-5.1/include/CGAL/Cartesian/Ray_2.h

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// Copyright (c) 2000
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
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// and Tel-Aviv University (Israel). All rights reserved.
//
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// This file is part of CGAL (www.cgal.org)
//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Cartesian_kernel/include/CGAL/Cartesian/Ray_2.h $
// $Id: Ray_2.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Andreas Fabri, Herve Bronnimann
#ifndef CGAL_CARTESIAN_RAY_2_H
#define CGAL_CARTESIAN_RAY_2_H
#include <CGAL/array.h>
namespace CGAL {
template < class R_ >
class RayC2
{
typedef typename R_::FT FT;
typedef typename R_::Point_2 Point_2;
typedef typename R_::Ray_2 Ray_2;
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typedef std::array<Point_2, 2> Rep;
typedef typename R_::template Handle<Rep>::type Base;
Base base;
public:
typedef R_ R;
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RayC2()
{}
RayC2(const Point_2 &sp, const Point_2 &secondp)
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: base(CGAL::make_array(sp, secondp))
{}
const Point_2&
source() const
{
return get_pointee_or_identity(base)[0];
}
const Point_2 &
second_point() const
{
return get_pointee_or_identity(base)[1];
}
typename R_::Boolean is_degenerate() const
{
return source() == second_point();
}
};
} //namespace CGAL
#endif // CGAL_CARTESIAN_RAY_2_H