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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-3.5-branch/Cartesian_kernel/include/CGAL/Cartesian/Point_3.h $
// $Id: Point_3.h 42834 2008-04-10 14:41:35Z spion $
//
//
// Author(s) : Andreas Fabri and Herve Bronnimann
#ifndef CGAL_CARTESIAN_POINT_3_H
#define CGAL_CARTESIAN_POINT_3_H
#include <CGAL/Origin.h>
CGAL_BEGIN_NAMESPACE
template < class R_ >
class PointC3
{
typedef typename R_::FT FT;
typedef typename R_::Vector_3 Vector_3;
typedef typename R_::Point_3 Point_3;
typedef typename R_::Aff_transformation_3 Aff_transformation_3;
// We do not use reference counting here as it is done at the Vector_3 level.
Vector_3 base;
public:
typedef typename Vector_3::Cartesian_const_iterator Cartesian_const_iterator;
typedef R_ R;
PointC3() {}
PointC3(const Origin &)
: base(NULL_VECTOR) {}
PointC3(const FT &x, const FT &y, const FT &z)
: base(x, y, z) {}
PointC3(const FT &x, const FT &y, const FT &z, const FT &w)
: base(x, y, z, w) {}
const FT & x() const
{
return base.x();
}
const FT & y() const
{
return base.y();
}
const FT & z() const
{
return base.z();
}
const FT & hx() const
{
return base.hx();
}
const FT & hy() const
{
return base.hy();
}
const FT & hz() const
{
return base.hz();
}
const FT & hw() const
{
return base.hw();
}
const FT & cartesian(int i) const;
const FT & operator[](int i) const;
const FT & homogeneous(int i) const;
Cartesian_const_iterator cartesian_begin() const
{
return base.cartesian_begin();
}
Cartesian_const_iterator cartesian_end() const
{
return base.cartesian_end();
}
int dimension() const
{
return base.dimension();
}
Point_3 transform(const Aff_transformation_3 &t) const
{
return t.transform(*this);
}
};
template < class R >
inline
const typename PointC3<R>::FT &
PointC3<R>::cartesian(int i) const
{
return base.cartesian(i);
}
template < class R >
inline
const typename PointC3<R>::FT &
PointC3<R>::operator[](int i) const
{
return base[i];
}
template < class R >
inline
const typename PointC3<R>::FT &
PointC3<R>::homogeneous(int i) const
{
return base.homogeneous(i);
}
CGAL_END_NAMESPACE
#endif // CGAL_CARTESIAN_POINT_3_H
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