text: // Copyright (c) 1997-2000  
  // 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: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/releases/CGAL-4.1-branch/Kernel_d/include/CGAL/Kernel_d/Kernel_classesHd.h $
  // $Id: Kernel_classesHd.h 67093 2012-01-13 11:22:39Z lrineau $
  // 
  //
  // Author(s)     : Michael Seel <seel@mpi-sb.mpg.de>
  
  #ifndef CGAL_KERNEL_CLASSESHD_H
  #define CGAL_KERNEL_CLASSESHD_H
  
  namespace CGAL {
  
  template <typename RT, typename LA> class PointHd2;
  template <typename RT, typename LA> class VectorHd;
  template <typename RT, typename LA> class DirectionHd;
  template <typename RT, typename LA> class HyperplaneHd;
  template <typename RT, typename LA> class Aff_transformationHd;
  
  } //namespace CGAL
  
  #endif //CGAL_KERNEL_CLASSESHD_H
  