dust3d/thirdparty/cgal/CGAL-4.13/include/CGAL/Homogeneous.h

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// Copyright (c) 1999
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// 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; either version 3 of the License,
// or (at your option) any later version.
//
// 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.
//
// $URL$
// $Id$
// SPDX-License-Identifier: LGPL-3.0+
//
//
// Author(s) : Stefan Schirra
#ifndef CGAL_HOMOGENEOUS_H
#define CGAL_HOMOGENEOUS_H
#include <CGAL/Homogeneous/Homogeneous_base.h>
#include <CGAL/Handle_for.h>
#include <CGAL/Kernel/Type_equality_wrapper.h>
#include <CGAL/Quotient.h>
namespace CGAL {
template < typename RT_, typename FT_, typename Kernel >
struct Homogeneous_base_ref_count
: public Homogeneous_base<RT_, FT_, Kernel >
{
typedef RT_ RT;
typedef FT_ FT;
// The mechanism that allows to specify reference-counting or not.
template < typename T >
struct Handle { typedef Handle_for<T> type; };
template < typename Kernel2 >
struct Base {
typedef Homogeneous_base_ref_count<RT_,FT_,Kernel2> Type;
};
};
template < typename RT_, typename FT_ = Quotient<RT_> >
struct Homogeneous
: public Type_equality_wrapper<
Homogeneous_base_ref_count<RT_, FT_, Homogeneous<RT_, FT_> >,
Homogeneous<RT_, FT_> >
{};
} //namespace CGAL
#endif // CGAL_HOMOGENEOUS_H