/usr/include/dune/grid/yaspgrid/yaspgridintersectioniterator.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_GRID_YASPGRIDINTERSECTIONITERATOR_HH
#define DUNE_GRID_YASPGRIDINTERSECTIONITERATOR_HH
/** \file
* \brief The YaspIntersectionIterator class
YaspIntersectionIterator enables iteration over intersections with
neighboring codim 0 entities.
*/
namespace Dune {
/** \brief YaspIntersectionIterator enables iteration over intersections with
neighboring codim 0 entities.
*/
template<class GridImp>
class YaspIntersectionIterator
{
enum { dim=GridImp::dimension };
public:
// types used from grids
typedef Dune::YaspIntersection< GridImp > IntersectionImp;
typedef Dune::Intersection< GridImp, IntersectionImp > Intersection;
//! increment
void increment()
{
GridImp::getRealImplementation(intersection_)._count += (GridImp::getRealImplementation(intersection_)._count < 2*dim);
}
//! equality
bool equals (const YaspIntersectionIterator& other) const
{
return intersection_ == other.intersection_;
}
//! \brief dereferencing
const Intersection & dereference() const
{
GridImp::getRealImplementation(intersection_).update();
return intersection_;
}
YaspIntersectionIterator()
{}
//! make intersection iterator from entity
YaspIntersectionIterator (const YaspEntity<0,dim,GridImp>& myself, bool toend)
: intersection_(IntersectionImp(myself, toend))
{}
//! copy constructor
YaspIntersectionIterator (const YaspIntersectionIterator& other)
: intersection_(other.intersection_)
{}
//! assignment
YaspIntersectionIterator & operator = (const YaspIntersectionIterator& other)
{
intersection_ = other.intersection_;
return *this;
}
private:
// The intersection this iterator points to
mutable Intersection intersection_;
};
} // namespace Dune
#endif // DUNE_GRID_YASPGRIDINTERSECTIONITERATOR_HH
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