/usr/include/dune/grid/geometrygrid/intersectioniterator.hh is in libdune-grid-dev 2.5.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_GEOGRID_INTERSECTIONITERATOR_HH
#define DUNE_GEOGRID_INTERSECTIONITERATOR_HH
#include <dune/grid/geometrygrid/intersection.hh>
namespace Dune
{
namespace GeoGrid
{
// IntersectionIterator
// --------------------
template< class Grid, class HostIntersectionIterator >
class IntersectionIterator
{
typedef typename std::remove_const< Grid >::type::Traits Traits;
typedef GeoGrid::Intersection< Grid, typename HostIntersectionIterator::Intersection > IntersectionImpl;
typedef typename Traits::template Codim< 0 >::Geometry ElementGeometry;
typedef typename Traits::template Codim< 0 >::GeometryImpl ElementGeometryImpl;
public:
typedef Dune::Intersection< Grid, IntersectionImpl > Intersection;
IntersectionIterator()
{}
template< class Entity >
IntersectionIterator ( const Entity &inside,
const HostIntersectionIterator &hostIterator )
: hostIterator_( hostIterator )
, insideGeo_( Grid::getRealImplementation( inside.geometry() ) )
{}
IntersectionIterator ( const IntersectionIterator &other )
: hostIterator_( other.hostIterator_ )
, insideGeo_( other.insideGeo_ )
{}
IntersectionIterator ( IntersectionIterator&& other )
: hostIterator_( std::move( other.hostIterator_ ) )
, insideGeo_( std::move( other.insideGeo_ ) )
{}
IntersectionIterator &operator= ( const IntersectionIterator &other )
{
hostIterator_ = other.hostIterator_;
insideGeo_ = other.insideGeo_;
return *this;
}
IntersectionIterator &operator= ( IntersectionIterator&& other )
{
hostIterator_ = std::move( other.hostIterator_ );
insideGeo_ = std::move( other.insideGeo_ );
return *this;
}
bool equals ( const IntersectionIterator &other ) const
{
return (hostIterator_ == other.hostIterator_);
}
void increment ()
{
++hostIterator_;
}
Intersection dereference () const
{
return IntersectionImpl( *hostIterator_, insideGeo_ );
}
private:
HostIntersectionIterator hostIterator_;
ElementGeometryImpl insideGeo_;
};
} // namespace GeoGrid
} // namespace Dune
#endif // #ifndef DUNE_GEOGRID_INTERSECTIONITERATOR_HH
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