entityseed.hh

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// -*- mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=2 sw=2 sts=2:
#ifndef DUNE_POLYHEDRALGRID_ENTITYSEED_HH
#define DUNE_POLYHEDRALGRID_ENTITYSEED_HH
 
#include <dune/common/version.hh>
#include <dune/common/typetraits.hh>
 
#include <dune/grid/common/entityseed.hh>
 
namespace Dune
{
 
  template< int codim, class Grd >
  class PolyhedralGridEntitySeed
  {
    typedef typename std::remove_const< Grd >::type::Traits Traits;
 
  public:
    static const int codimension = codim;
    static const int dimension = Traits::dimension;
    static const int mydimension = dimension - codimension;
    static const int dimensionworld = Traits::dimensionworld;
 
 
    typedef typename Traits::Grid Grid;
    typedef typename Traits::template Codim< codim >::Entity Entity;
    typedef typename Traits :: Index Index ;
 
    static const Index defaultIndex = -1;
 
    explicit PolyhedralGridEntitySeed ( const Index& index )
      : index_( index )
    {}
 
    PolyhedralGridEntitySeed ()
      : index_( defaultIndex )
    {}
 
    int index () const { return index_ ; }
 
    // check that index is valid, which means >= 0
    // boundary faces can be arbitrary number < 0
    bool isValid() const { return index_ > defaultIndex; }
 
    bool equals(const PolyhedralGridEntitySeed& other) const
    { return index_ == other.index_; }
 
  protected:
    Index index_;
  };
 
} // namespace Dune
 
#endif // #ifndef DUNE_POLYHEDRALGRID_ENTITYSEED_HH