/usr/include/dune/grid/onedgrid/onedgridviews.hh is in libdune-grid-dev 2.5.1-1.
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// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_GRID_ONEDGRID_ONEDGRIDVIEWS_HH
#define DUNE_GRID_ONEDGRID_ONEDGRIDVIEWS_HH
#include <type_traits>
#include <tuple>
//- includes from dune-geometry
#include <dune/geometry/type.hh>
//- includes from dune-grid
#include <dune/grid/common/gridenums.hh>
#include <dune/grid/common/datahandleif.hh>
#include <dune/grid/onedgrid/onedgridentity.hh>
#include <dune/grid/onedgrid/onedgridleafiterator.hh>
namespace Dune
{
template< class GridImp >
class OneDGridLevelGridView;
template< class GridImp >
class OneDGridLeafGridView;
/** \brief Collect several types associated to OneDGrid LevelGridViews */
template< class GridImp>
struct OneDGridLevelGridViewTraits
{
typedef OneDGridLevelGridView< GridImp > GridViewImp;
/** \brief type of the grid */
typedef typename std::remove_const<GridImp>::type Grid;
/** \brief type of the index set */
typedef typename Grid :: Traits :: LevelIndexSet IndexSet;
/** \brief type of the intersection */
typedef typename Grid :: Traits :: LevelIntersection Intersection;
/** \brief type of the intersection iterator */
typedef typename Grid :: Traits :: LevelIntersectionIterator
IntersectionIterator;
/** \brief type of the collective communication */
typedef typename Grid :: Traits :: CollectiveCommunication CollectiveCommunication;
template< int cd >
struct Codim
{
typedef typename Grid :: Traits
:: template Codim< cd > :: template Partition< All_Partition > :: LevelIterator
Iterator;
typedef typename Grid :: Traits :: template Codim< cd > :: Entity Entity;
typedef typename Grid :: template Codim< cd > :: Geometry Geometry;
typedef typename Grid :: template Codim< cd > :: LocalGeometry
LocalGeometry;
/** \brief Define types needed to iterate over entities of a given partition type */
template< PartitionIteratorType pit >
struct Partition
{
/** \brief iterator over a given codim and partition type */
typedef typename Grid :: template Codim< cd >
:: template Partition< pit > :: LevelIterator
Iterator;
};
};
enum { conforming = true };
};
/** \brief Implementation class of LevelGridViews for OneDGrid */
template< class GridImp >
class OneDGridLevelGridView
{
public:
typedef OneDGridLevelGridViewTraits<GridImp> Traits;
/** \brief type of the grid */
typedef typename Traits::Grid Grid;
/** \brief type of the index set */
typedef typename Traits :: IndexSet IndexSet;
/** \brief type of the intersection */
typedef typename Traits :: Intersection Intersection;
/** \brief type of the intersection iterator */
typedef typename Traits :: IntersectionIterator IntersectionIterator;
/** \brief type of the collective communication */
typedef typename Traits :: CollectiveCommunication CollectiveCommunication;
/** \brief Codim Structure */
template< int cd >
struct Codim : public Traits :: template Codim<cd> {};
enum { conforming = Traits :: conforming };
OneDGridLevelGridView ( const Grid &grid, int level )
: grid_( &grid ),
level_( level )
{}
/** \brief obtain a const reference to the underlying hierarchic grid */
const Grid &grid () const
{
assert( grid_ );
return *grid_;
}
/** \brief obtain the index set */
const IndexSet &indexSet () const
{
return grid().levelIndexSet( level_ );
}
/** \brief obtain number of entities in a given codimension */
int size ( int codim ) const
{
return grid().size( level_, codim );
}
/** \brief obtain number of entities with a given geometry type */
int size ( const GeometryType &type ) const
{
return grid().size( level_, type );
}
/** \brief obtain begin iterator for this view */
template< int cd >
typename Codim< cd > :: Iterator begin () const
{
return OneDGridLevelIterator<cd,All_Partition,GridImp>(const_cast<OneDEntityImp<1-cd>*>(std::get<1-cd>(grid_->entityImps_[level_]).begin()));
}
/** \brief obtain begin iterator for this view */
template< int cd, PartitionIteratorType pit >
typename Codim< cd > :: template Partition< pit > :: Iterator begin () const
{
return OneDGridLevelIterator<cd,pit,GridImp>(const_cast<OneDEntityImp<1-cd>*>(std::get<1-cd>(grid_->entityImps_[level_]).begin()));
}
/** \brief obtain end iterator for this view */
template< int cd >
typename Codim< cd > :: Iterator end () const
{
return OneDGridLevelIterator<cd,All_Partition,GridImp>(nullptr);
}
/** \brief obtain end iterator for this view */
template< int cd, PartitionIteratorType pit >
typename Codim< cd > :: template Partition< pit > :: Iterator end () const
{
return OneDGridLevelIterator<cd,pit,GridImp>(static_cast<OneDEntityImp<1-cd>*>(nullptr));
}
/** \brief obtain begin intersection iterator with respect to this view */
IntersectionIterator
ibegin ( const typename Codim< 0 > :: Entity &entity ) const
{
return GridImp::getRealImplementation(entity).ilevelbegin();
}
/** \brief obtain end intersection iterator with respect to this view */
IntersectionIterator
iend ( const typename Codim< 0 > :: Entity &entity ) const
{
return GridImp::getRealImplementation(entity).ilevelend();
}
/** \brief obtain collective communication object */
const CollectiveCommunication &comm () const
{
return grid().comm();
}
/** \brief Return size of the overlap region for a given codim on the grid view. */
int overlapSize(int codim) const
{
return 0;
}
/** \brief Return size of the ghost region for a given codim on the grid view. */
int ghostSize(int codim) const
{
return 0;
}
/** communicate data on this view */
template< class DataHandleImp, class DataType >
void communicate ( CommDataHandleIF< DataHandleImp, DataType > &data,
InterfaceType iftype,
CommunicationDirection dir ) const
{}
private:
const Grid *grid_;
int level_;
};
/** \brief Collect several types associated to OneDGrid LeafGridViews */
template< class GridImp>
struct OneDGridLeafGridViewTraits
{
typedef OneDGridLeafGridView< GridImp > GridViewImp;
/** \brief type of the grid */
typedef typename std::remove_const<GridImp>::type Grid;
/** \brief type of the index set */
typedef typename Grid :: Traits :: LeafIndexSet IndexSet;
/** \brief type of the intersection */
typedef typename Grid :: Traits :: LeafIntersection Intersection;
/** \brief type of the intersection iterator */
typedef typename Grid :: Traits :: LeafIntersectionIterator IntersectionIterator;
/** \brief type of the collective communication */
typedef typename Grid :: Traits :: CollectiveCommunication CollectiveCommunication;
template< int cd >
struct Codim
{
typedef typename Grid :: Traits
:: template Codim< cd > :: template Partition< All_Partition > :: LeafIterator
Iterator;
typedef typename Grid :: Traits :: template Codim< cd > :: Entity Entity;
typedef typename Grid :: template Codim< cd > :: Geometry Geometry;
typedef typename Grid :: template Codim< cd > :: LocalGeometry LocalGeometry;
/** \brief Define types needed to iterate over entities of a given partition type */
template <PartitionIteratorType pit >
struct Partition
{
/** \brief iterator over a given codim and partition type */
typedef typename Grid :: template Codim< cd >
:: template Partition< pit > :: LeafIterator
Iterator;
};
};
enum { conforming = true };
};
/** \brief Implementation class of LeafGridViews for UGGrid */
template< class GridImp >
class OneDGridLeafGridView
{
public:
typedef OneDGridLeafGridViewTraits<GridImp> Traits;
/** \brief type of the grid */
typedef typename Traits::Grid Grid;
/** \brief type of the index set */
typedef typename Traits :: IndexSet IndexSet;
/** \brief type of the intersection */
typedef typename Traits :: Intersection Intersection;
/** \brief type of the intersection iterator */
typedef typename Traits :: IntersectionIterator IntersectionIterator;
/** \brief type of the collective communication */
typedef typename Traits :: CollectiveCommunication CollectiveCommunication;
/** \brief Codim Structure */
template< int cd >
struct Codim : public Traits :: template Codim<cd> {};
enum { conforming = Traits :: conforming };
public:
OneDGridLeafGridView ( const Grid &grid )
: grid_( &grid )
{}
/** \brief obtain a const reference to the underlying hierarchic grid */
const Grid &grid () const
{
assert( grid_ );
return *grid_;
}
/** \brief obtain the index set */
const IndexSet &indexSet () const
{
return grid().leafIndexSet();
}
/** \brief obtain number of entities in a given codimension */
int size ( int codim ) const
{
return grid().size( codim );
}
/** \brief obtain number of entities with a given geometry type */
int size ( const GeometryType &type ) const
{
return grid().size( type );
}
/** \brief obtain begin iterator for this view */
template< int cd >
typename Codim< cd > :: Iterator begin () const
{
return OneDGridLeafIterator<cd,All_Partition,GridImp>(*grid_);
}
/** \brief obtain begin iterator for this view */
template< int cd, PartitionIteratorType pit >
typename Codim< cd > :: template Partition< pit > :: Iterator begin () const
{
return OneDGridLeafIterator<cd,pit,GridImp>(*grid_);
}
/** \brief obtain end iterator for this view */
template< int cd >
typename Codim< cd > :: Iterator end () const
{
return OneDGridLeafIterator<cd,All_Partition,GridImp>();
}
/** \brief obtain end iterator for this view */
template< int cd, PartitionIteratorType pit >
typename Codim< cd > :: template Partition< pit > :: Iterator end () const
{
return OneDGridLeafIterator<cd,pit,GridImp>();
}
/** \brief obtain begin intersection iterator with respect to this view */
IntersectionIterator
ibegin ( const typename Codim< 0 > :: Entity &entity ) const
{
return GridImp::getRealImplementation(entity).ileafbegin();
}
/** \brief obtain end intersection iterator with respect to this view */
IntersectionIterator
iend ( const typename Codim< 0 > :: Entity &entity ) const
{
return GridImp::getRealImplementation(entity).ileafend();
}
/** \brief obtain collective communication object */
const CollectiveCommunication &comm () const
{
return grid().comm();
}
/** \brief Return size of the overlap region for a given codim on the grid view. */
int overlapSize(int codim) const
{
return 0;
}
/** \brief Return size of the ghost region for a given codim on the grid view. */
int ghostSize(int codim) const
{
return 0;
}
/** \brief Communicate data on this view -- does nothing because OneDGrid is purely sequential */
template< class DataHandleImp, class DataType >
void communicate ( CommDataHandleIF< DataHandleImp, DataType > &data,
InterfaceType iftype,
CommunicationDirection dir ) const
{}
private:
const Grid *grid_;
};
}
#endif
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