subdomaingrid/idsets.hh

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#ifndef DUNE_MULTIDOMAINGRID_SUBDOMAINGRID_IDSETS_HH
#define DUNE_MULTIDOMAINGRID_SUBDOMAINGRID_IDSETS_HH
 
#include <type_traits>
 
#include <dune/grid/common/indexidset.hh>
 
namespace Dune {
 
namespace mdgrid {
 
namespace subdomain {
 
template<typename MDGrid>
class SubDomainGrid;
 
template<typename GridImp, typename HostIdSet>
class IdSetWrapper :
    public Dune::IdSet<GridImp,IdSetWrapper<GridImp,HostIdSet>,
               typename HostIdSet::IdType>
{
 
  template<typename>
  friend class SubDomainGrid;
 
  using HostGrid     = typename std::remove_const_t<GridImp>::HostGrid;
  using Codim0Entity = typename std::remove_const_t<GridImp>::Traits::template Codim<0>::Entity;
 
public:
 
  typedef typename HostIdSet::IdType IdType;
 
  template<int codim>
  IdType id(const typename std::remove_const_t<GridImp>::Traits::template Codim<codim>::Entity& e) const {
    assert(_grid.containsHostEntity(_grid.hostEntity(e)));
    return _hostIdSet.id(_grid.hostEntity(e));
  }
 
  template<typename Entity>
  IdType id(const Entity& e) const {
    assert(_grid.containsHostEntity(_grid.hostEntity(e)));
    return _hostIdSet.id(_grid.hostEntity(e));
  }
 
  template<int codim>
  IdType subId(const Codim0Entity& e, int i) const {
    assert(_grid.containsHostEntity(_grid.hostEntity(e)));
    return _hostIdSet.subId(_grid.hostEntity(e),i,codim);
  }
 
  IdType subId(const Codim0Entity& e, int i, unsigned int codim) const {
    assert(_grid.containsHostEntity(_grid.hostEntity(e)));
    return _hostIdSet.subId(_grid.hostEntity(e),i,codim);
  }
 
private:
 
  const GridImp& _grid;
  const HostIdSet& _hostIdSet;
 
  IdSetWrapper(const GridImp& grid, const HostIdSet& hostIdSet) :
    _grid(grid),
    _hostIdSet(hostIdSet)
  {}
 
};
 
} // namespace subdomain
 
} // namespace mdgrid
 
} // namespace Dune
 
#endif // DUNE_MULTIDOMAINGRID_SUBDOMAINGRID_IDSETS_HH