yaspgridindexsets.hh

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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_GRID_YASPGRIDINDEXSET_HH
#define DUNE_GRID_YASPGRIDINDEXSET_HH
 
namespace Dune {
 
  template<class GridImp, bool isLeafIndexSet>
  class YaspIndexSet
    : public IndexSet< GridImp, YaspIndexSet< GridImp, isLeafIndexSet >, unsigned int >
  {
    typedef YaspIndexSet< GridImp, isLeafIndexSet > This;
    typedef IndexSet< GridImp, This, unsigned int > Base;
 
  public:
    typedef typename Base::IndexType IndexType;
 
    using Base::subIndex;
 
    YaspIndexSet ( const GridImp &g, int l )
      : grid( g ),
        level( l )
    {
      assert(not isLeafIndexSet);
 
      // contains a single element type;
      for (int codim=0; codim<=GridImp::dimension; codim++)
        mytypes[codim].push_back(GeometryType(GeometryType::cube,GridImp::dimension-codim));
    }
 
    YaspIndexSet ( const GridImp &g )
      : grid( g )
    {
      assert(isLeafIndexSet);
 
      // contains a single element type;
      for (int codim=0; codim<=GridImp::dimension; codim++)
        mytypes[codim].push_back(GeometryType(GeometryType::cube,GridImp::dimension-codim));
    }
 
    template<int cc>
    IndexType index (const typename remove_const<GridImp>::type::Traits::template Codim<cc>::Entity& e) const
    {
      return grid.getRealImplementation(e).compressedIndex();
    }
 
    template< int cc >
    IndexType subIndex ( const typename remove_const< GridImp >::type::Traits::template Codim< cc >::Entity &e,
                         int i, unsigned int codim ) const
    {
      assert( cc == 0 || cc == GridImp::dimension );
      if( cc == GridImp::dimension )
        return grid.getRealImplementation(e).compressedIndex();
      else
        return grid.getRealImplementation(e).subCompressedIndex(i,codim);
    }
 
    int size (GeometryType type) const
    {
      return (isLeafIndexSet)
        ? grid.size( type )
        : grid.size( level, type );
    }
 
    int size (int codim) const
    {
      return (isLeafIndexSet)
        ? grid.size( codim )
        : grid.size( level, codim );
    }
 
    template<class EntityType>
    bool contains (const EntityType& e) const
    {
      return (isLeafIndexSet)
        ? e.level() == grid.maxLevel()
        : e.level() == level;
    }
 
    std::vector< GeometryType > types ( int codim ) const { return mytypes[ codim ]; }
 
    const std::vector<GeometryType>& geomTypes (int codim) const
    {
      return mytypes[codim];
    }
 
  private:
    const GridImp& grid;
    int level;
    std::vector<GeometryType> mytypes[remove_const<GridImp>::type::dimension+1];
  };
 
}   // namespace Dune
 
#endif  // DUNE_GRID_YASPGRIDINDEXSET_HH