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// Copyright (c) 1997-2001 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/Optimisation_basic/include/CGAL/Optimisation/Access_coordinates_begin_d.h $
// $Id: Access_coordinates_begin_d.h 46260 2008-10-14 08:04:25Z afabri $
//
//
// Author(s) : Sven Schoenherr <sven@inf.ethz.ch>
#ifndef CGAL_OPTIMISATION_ACCESS_COORDINATES_BEGIN_D_H
#define CGAL_OPTIMISATION_ACCESS_COORDINATES_BEGIN_D_H
CGAL_BEGIN_NAMESPACE
class Cartesian_tag;
class Homogeneous_tag;
// Class declaration
// =================
template < class R_ >
class Access_coordinates_begin_d;
// Class interface
// ===============
template < class R_ >
class Access_coordinates_begin_d {
public:
// self
typedef R_ R;
typedef Access_coordinates_begin_d<R>
Self;
// types
typedef typename R::Point_d Point;
typedef typename Point::Homogeneous_const_iterator Coordinate_iterator;
// unary function class types
typedef Coordinate_iterator result_type;
typedef Point argument_type;
// creation
Access_coordinates_begin_d( ) { }
// operations
private:
Coordinate_iterator
access( const Point& p, const Cartesian_tag&) const
{ return p.cartesian_begin(); }
Coordinate_iterator
access( const Point& p, const Homogeneous_tag&) const
{ return p.homogeneous_begin(); }
public:
Coordinate_iterator
operator() ( const Point& p) const {
return p.homogeneous_begin();
}
};
CGAL_END_NAMESPACE
#endif // CGAL_OPTIMISATION_ACCESS_COORDINATES_BEGIN_D_H
// ===== EOF ==================================================================
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