/usr/include/dune/grid/identitygrid/identitygridhierarchiciterator.hh is in libdune-grid-dev 2.5.1-1.
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_IDENTITYGRIDHIERITERATOR_HH
#define DUNE_IDENTITYGRIDHIERITERATOR_HH
/** \file
* \brief The IdentityGridHierarchicIterator class
*/
namespace Dune {
//**********************************************************************
//
/** \brief Iterator over the descendants of an entity.
* \ingroup IdentityGrid
Mesh entities of codimension 0 ("elements") allow to visit all entities of
codimension 0 obtained through nested, hierarchic refinement of the entity.
Iteration over this set of entities is provided by the HierarchicIterator,
starting from a given entity.
*/
template<class GridImp>
class IdentityGridHierarchicIterator
{
// Type of the corresponding HierarchicIterator in the host grid
typedef typename GridImp::HostGridType::template Codim<0>::Entity::HierarchicIterator HostGridHierarchicIterator;
public:
enum {codimension = 0};
typedef typename GridImp::template Codim<0>::Entity Entity;
//! the default Constructor
explicit IdentityGridHierarchicIterator(const GridImp* identityGrid, const Entity& startEntity, int maxLevel) :
identityGrid_(identityGrid),
hostHierarchicIterator_(GridImp::getRealImplementation(startEntity).hostEntity_.hbegin(maxLevel))
{}
//! \todo Please doc me !
explicit IdentityGridHierarchicIterator(const GridImp* identityGrid, const Entity& startEntity, int maxLevel, bool endDummy) :
identityGrid_(identityGrid),
hostHierarchicIterator_(GridImp::getRealImplementation(startEntity).hostEntity_.hend(maxLevel))
{}
//! \todo Please doc me !
void increment()
{
++hostHierarchicIterator_;
}
//! dereferencing
Entity dereference() const {
return Entity{{identityGrid_,*hostHierarchicIterator_}};
}
//! equality
bool equals(const IdentityGridHierarchicIterator& i) const {
return hostHierarchicIterator_ == i.hostHierarchicIterator_;
}
private:
const GridImp* identityGrid_;
HostGridHierarchicIterator hostHierarchicIterator_;
};
} // end namespace Dune
#endif
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