SPAR/AIModule/BWTA/vendors/CGAL/CGAL/Arr_geometry_traits/Curve_data_aux.h

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// Copyright (c) 2005  Tel-Aviv University (Israel).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL 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/Arrangement_on_surface_2/include/CGAL/Arr_geometry_traits/Curve_data_aux.h $
// $Id: Curve_data_aux.h 40377 2007-09-19 11:05:08Z ophirset $
// 
//
// Author(s)     : Ron Wein          <wein@post.tau.ac.il>
//                 Efi Fogel         <efif@post.tau.ac.il>

#ifndef CGAL_CURVE_DATA_AUX_H
#define CGAL_CURVE_DATA_AUX_H

CGAL_BEGIN_NAMESPACE

template <class TYPE>
struct _Default_merge_func
{
  const TYPE& operator() (const TYPE& obj1, const TYPE& /* obj2 */)
  {
    return (obj1);
  }
};

template <class TYPE_FROM, class TYPE_TO>
struct _Default_convert_func
{
  TYPE_TO operator() (const TYPE_FROM& obj)
  {
    return (obj);
  }
};

template <class BaseCurveType, class Data>
class _Curve_data_ex : public BaseCurveType
{
private:
  Data    m_data;

public:

  _Curve_data_ex ()
  {}
    
  _Curve_data_ex (const BaseCurveType& cv) :
    BaseCurveType (cv)
  {}

  _Curve_data_ex (const BaseCurveType& cv, const Data& data) :
    BaseCurveType (cv),
    m_data (data)
  {}

  const Data& data () const
  {
    return (m_data);
  }

  Data& data ()
  {
    return (m_data);
  }

  void set_data (const Data& data)
  {
    m_data = data;
    return;
  }
};

CGAL_END_NAMESPACE

#endif