include/shape/edge.hpp

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/*****************************************************************************
 * M a t h e m a g i x
 *****************************************************************************
 * Edge
 * 2008-03-21
 * Julien Wintz
 *****************************************************************************
 *               Copyright (C) 2006 INRIA Sophia-Antipolis
 *****************************************************************************
 * Comments :
 ****************************************************************************/
# ifndef shape_edge_hpp
# define shape_edge_hpp

# include <shape/vertex.hpp>

# define TMPL  template<class K>
# define SELF  edge<K>
# undef Shape
//====================================================================
namespace mmx {
  namespace shape {
//====================================================================
// template<class K, class POINT> struct edge;

// struct edge_def {};

// TMPL struct use<edge_def,K>  {
  
//   typedef edge<typename use<scalar_def,K>::Scalar, 
//             typename use<point_def,K>::Point>  Edge;
// };
//--------------------------------------------------------------------
template<class C, class V= default_env, class POINT=point<C,3,V> >
struct edge : public SHAPE_OF(V)
{
public:
  
  typedef typename SHAPE_OF(V) Shape;
  typedef POINT       Point;

  edge(void) : Shape() {}
  edge(Point * source, Point * destination) : Shape() {
    this->m_source = source ;
    this->m_destination = destination ;
  }

  inline Point * source(void)      { return m_source ; }
  inline Point * destination(void) { return m_destination ; }
  inline void    reverse() 
    { Point *t=m_source; m_source=m_destination; m_destination=t; }
  

private:
  Point * m_source ;
  Point * m_destination ;
};

//====================================================================
  } ; // namespace shape
} ; // namespace mmx
//====================================================================
# undef TMPL
# undef SELF  
# endif // shape_edge_hpp

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