openmesh/Core/Utils/vector_traits.hh

//=============================================================================
//                                                                            
//                               OpenMesh                                     
//        Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen          
//                           www.openmesh.org                                 
//                                                                            
//-----------------------------------------------------------------------------
//                                                                            
//                                License                                     
//                                                                            
//   This library is free software; 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.                           
//                                                                             
//   This library is distributed in the hope that it will be useful, but       
//   WITHOUT ANY WARRANTY; without even the implied warranty of                
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         
//   Lesser General Public License for more details.                           
//                                                                            
//   You should have received a copy of the GNU Lesser General Public          
//   License along with this library; if not, write to the Free Software       
//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 
//                                                                            
//-----------------------------------------------------------------------------
//                                                                            
//   $Revision$
//   $Date$
//                                                                            
//=============================================================================


//=============================================================================
//
//  Helper Functions for binary reading / writing
//
//=============================================================================


#ifndef OPENMESH_VECTOR_TRAITS_HH
#define OPENMESH_VECTOR_TRAITS_HH


//== INCLUDES =================================================================

#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/GenProg.hh>
#if defined(OM_CC_MIPS)
#  include <stdlib.h>
#else
#  include <cstdlib>
#endif

//== NAMESPACES ===============================================================


namespace OpenMesh {


//=============================================================================


/** \name Provide a standardized access to relevant information about a
     vector type.
*/
//@{

//-----------------------------------------------------------------------------

/** Helper class providing information about a vector type.
 *
 * If want to use a different vector type than the one provided %OpenMesh
 * you need to supply a specialization of this class for the new vector type.
 */
template <typename T>
struct vector_traits
{
  /// Type of the vector class
  typedef typename T::vector_type vector_type;

  /// Type of the scalar value
  typedef typename T::value_type  value_type;

  /// size/dimension of the vector
  static const size_t size_ = T::size_;

  /// size/dimension of the vector
  static size_t size() { return size_; }
};

//@}


//=============================================================================
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_MESHREADER_HH defined
//=============================================================================