/usr/include/dune/functions/gridfunctions/gridviewentityset.hh is in libdune-functions-dev 2.5.0-1.
This file is owned by root:root, with mode 0o644.
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// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_FUNCTIONS_GRIDFUNCTIONS_GRIDVIEWENTITYSET_HH
#define DUNE_FUNCTIONS_GRIDFUNCTIONS_GRIDVIEWENTITYSET_HH
#include <memory>
namespace Dune {
namespace Functions {
/**
* \brief An entity set for all entities of given codim in a grid view
*
* \ingroup FunctionUtility
*
* This implements the \ref Concept::EntitySet concept.
*/
template<class GV, int cd>
class GridViewEntitySet
{
public:
typedef GV GridView;
enum {
codim = cd
};
//! Type of Elements contained in this EntitySet
typedef typename GridView::template Codim<codim>::Entity Element;
//! Type of local coordinates with respect to the Element
typedef typename Element::Geometry::LocalCoordinate LocalCoordinate;
typedef typename Element::Geometry::GlobalCoordinate GlobalCoordinate;
typedef Element value_type;
//! A forward iterator
typedef typename GridView::template Codim<codim>::Iterator const_iterator;
//! Same as const_iterator
typedef const_iterator iterator;
/**
* \brief Construct GridViewEntitySet for a GridView
*
*/
GridViewEntitySet(const GridView& gv) :
gv_(gv)
{}
//! Returns true if e is contained in the EntitySet
bool contains(const Element& e) const
{
return gv_.contains(e);
}
//! Number of Elements visited by an iterator
size_t size() const
{
return gv_.size(codim);
}
//! Create a begin iterator
const_iterator begin() const
{
return gv_.template begin<codim>();
}
//! Create an end iterator
const_iterator end() const
{
return gv_.template end<codim>();
}
const GridView& gridView() const
{
return gv_;
}
private:
GridView gv_;
};
} // end of namespace Dune::Functions
} // end of namespace Dune
#endif // DUNE_FUNCTIONS_GRIDFUNCTIONS_GRIDVIEWENTITYSET_HH
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