/usr/include/dune/grid/identitygrid/identitygridentityseed.hh is in libdune-grid-dev 2.4.1-1.
This file is owned by root:root, with mode 0o644.
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#ifndef DUNE_IDENTITY_GRID_ENTITY_SEED_HH
#define DUNE_IDENTITY_GRID_ENTITY_SEED_HH
/**
* \file
* \brief The IdentityGridEntitySeed class
*/
namespace Dune {
/**
* \brief The EntitySeed class provides the minimal information needed to restore an Entity using the grid.
* \ingroup IdentityGrid
*
*/
template<int codim, class GridImp>
class IdentityGridEntitySeed
{
protected:
// Entity type of the hostgrid
typedef typename GridImp::HostGridType::Traits::template Codim<codim>::Entity HostEntity;
// EntitySeed type of the hostgrid
typedef typename GridImp::HostGridType::Traits::template Codim<codim>::EntitySeed HostEntitySeed;
public:
enum {codimension = codim};
/**
* \brief Construct an empty (i.e. isValid() == false) seed.
*/
IdentityGridEntitySeed()
{}
/**
* \brief Create EntitySeed from hostgrid Entity
*
* We call hostEntity.seed() directly in the constructor
* of IdentityGridEntitySeed to allow for return value optimization.
*/
IdentityGridEntitySeed(const HostEntity& hostEntity) :
hostEntitySeed_(hostEntity.seed())
{}
/**
* \brief Get stored HostEntitySeed
*/
const HostEntitySeed& hostEntitySeed() const
{
return hostEntitySeed_;
}
/**
* \brief Check whether it is safe to create an Entity from this Seed
*/
bool isValid() const
{
return hostEntitySeed_.isValid();
}
private:
HostEntitySeed hostEntitySeed_;
};
} // namespace Dune
#endif // #define DUNE_IDENTITY_GRID_ENTITY_SEED_HH
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