/usr/include/dune/functions/functionspacebases/defaultlocalindexset.hh is in libdune-functions-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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#ifndef DUNE_FUNCTIONS_FUNCTIONSPACEBASES_DEFAULTLOCALINDEXSET_HH
#define DUNE_FUNCTIONS_FUNCTIONSPACEBASES_DEFAULTLOCALINDEXSET_HH
#include <dune/functions/functionspacebases/subspacelocalview.hh>
namespace Dune {
namespace Functions {
template<class LV, class NIS>
class DefaultLocalIndexSet
{
public:
using LocalView = LV;
using NodeIndexSet = NIS;
/** \brief Type used for global numbering of the basis vectors */
using MultiIndex = typename NodeIndexSet::MultiIndex;
using size_type = std::size_t;
DefaultLocalIndexSet(const NodeIndexSet& nodeIndexSet) :
nodeIndexSet_(nodeIndexSet)
{}
DefaultLocalIndexSet(NodeIndexSet&& nodeIndexSet) :
nodeIndexSet_(nodeIndexSet)
{}
/** \brief Bind the index set to a LocalView
*/
void bind(const LocalView& localView)
{
localView_ = &localView;
nodeIndexSet_.bind(localView_->tree());
}
/** \brief Bind the index set to a SubspaceLocalView
*/
template<class TreePath>
void bind(const SubspaceLocalView<LocalView, TreePath>& subspaceLocalView)
{
bind(subspaceLocalView.rootLocalView());
}
/** \brief Unbind the view
*/
void unbind()
{
localView_ = nullptr;
nodeIndexSet_.unbind();
}
/** \brief Size of subtree rooted in this node (element-local)
*/
size_type size() const
{
return nodeIndexSet_.size();
}
//! Maps from subtree index set [0..size-1] to a globally unique multi index in global basis
MultiIndex index(size_type i) const
{
return nodeIndexSet_.index(i);
}
/** \brief Return the local view that we are attached to
*/
const LocalView& localView() const
{
return *localView_;
}
protected:
const LocalView* localView_;
NodeIndexSet nodeIndexSet_;
};
} // end namespace Functions
} // end namespace Dune
#endif // DUNE_FUNCTIONS_FUNCTIONSPACEBASES_DEFAULTLOCALINDEXSET_HH
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