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// Copyright (c) 1999 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/Kernel_23/include/CGAL/kernel_to_kernel.h $
// $Id: kernel_to_kernel.h 28567 2006-02-16 14:30:13Z lsaboret $
//
//
// Author(s) : Stefan Schirra
#ifndef CGAL_KERNEL_TO_KERNEL_H
#define CGAL_KERNEL_TO_KERNEL_H
#ifdef CGAL_USE_LEDA
#include <CGAL/LEDA_basic.h>
#include <CGAL/leda_integer.h>
#include <LEDA/rat_point.h>
#endif
CGAL_BEGIN_NAMESPACE
template <class NumberType>
struct Cartesian_double_to_Homogeneous
{
typedef Point_2< Homogeneous< NumberType> > Point2;
typedef Segment_2< Homogeneous< NumberType> > Segment;
Cartesian_double_to_Homogeneous() {}
Point2
operator()( const Point_2<Cartesian<double> >& p) const
{ return Point2( NumberType(p.x()), NumberType(p.y()) ); }
Segment
operator()( const Segment_2<Cartesian<double> >& s) const
{
return Segment( Point2( NumberType(s.source().x()),
NumberType(s.source().y()) ),
Point2( NumberType(s.target().x()),
NumberType(s.target().y()) ) );
}
};
#ifdef CGAL_USE_LEDA
struct Cartesian_double_to_H_double_int
{
typedef Point_2< Homogeneous< double> > Point2;
typedef Segment_2< Homogeneous< double> > Segment;
Segment
operator()( const Segment_2< Cartesian< double> >& s) const
{
leda_rat_point rs = leda_point(s.source().x(), s.source().y());
leda_rat_point rt = leda_point(s.target().x(), s.target().y());
return Segment(
Point2(CGAL_LEDA_SCOPE::to_double(rs.X()),
CGAL_LEDA_SCOPE::to_double(rs.Y()),
CGAL_LEDA_SCOPE::to_double(rs.W())),
Point2(CGAL_LEDA_SCOPE::to_double(rt.X()),
CGAL_LEDA_SCOPE::to_double(rt.Y()),
CGAL_LEDA_SCOPE::to_double(rt.W())) );
}
};
struct Cartesian_float_to_H_double_int
{
typedef Point_2< Homogeneous< double> > Point2;
typedef Segment_2< Homogeneous< double> > Segment;
Segment
operator()( const Segment_2< Cartesian< float> >& s) const
{
leda_rat_point rs = leda_point(s.source().x(), s.source().y());
leda_rat_point rt = leda_point(s.target().x(), s.target().y());
return Segment(
Point2(CGAL_LEDA_SCOPE::to_double(rs.X()),
CGAL_LEDA_SCOPE::to_double(rs.Y()),
CGAL_LEDA_SCOPE::to_double(rs.W())),
Point2(CGAL_LEDA_SCOPE::to_double(rt.X()),
CGAL_LEDA_SCOPE::to_double(rt.Y()),
CGAL_LEDA_SCOPE::to_double(rt.W())) );
}
};
#endif // CGAL_USE_LEDA
CGAL_END_NAMESPACE
#endif // CGAL_KERNEL_TO_KERNEL_H
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