/usr/include/dune/grid/yaspgrid/yaspgridgeometry.hh is in libdune-grid-dev 2.5.1-1.
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#ifndef DUNE_GRID_YASPGRIDGEOMETRY_HH
#define DUNE_GRID_YASPGRIDGEOMETRY_HH
/** \file
* \brief The YaspGeometry class and its specializations
YaspGeometry realizes the concept of the geometric part of a mesh entity.
We have specializations for dim == dimworld (elements) and dim == 0
(vertices). The general version implements all other codimensions.
As of September 2014, the functionality of YaspGeometry is identical
to that of AxisAlignedCubeGeometry. The latter cannot be used directly
due to the grid interface facade construction (it isn't templated to the
GridImp). As soon as template aliases are available, this header boils
down to one line.
*/
namespace Dune {
/** \brief The general version that handles all codimensions but 0 and dim.
* \tparam mydim the codimension
* \tparam cdim the coordinate dimension (NOT codim)
*/
template<int mydim,int cdim, class GridImp>
class YaspGeometry : public AxisAlignedCubeGeometry<typename GridImp::ctype,mydim,cdim>
{
public:
//! define type used for coordinates in grid module
typedef typename GridImp::ctype ctype;
//! default constructor
YaspGeometry ()
: AxisAlignedCubeGeometry<ctype,mydim,cdim>(FieldVector<ctype,cdim>(0),FieldVector<ctype,cdim>(0))
{}
//! constructor from midpoint and extension and a bitset defining which unit vectors span the entity
YaspGeometry (const FieldVector<ctype, cdim>& ll, const FieldVector<ctype, cdim>& ur, const std::bitset<cdim>& shift)
: AxisAlignedCubeGeometry<ctype,mydim,cdim>(ll,ur,shift)
{
assert(mydim == shift.count());
}
//! copy constructor
YaspGeometry (const YaspGeometry& other)
: AxisAlignedCubeGeometry<ctype,mydim,cdim>(other)
{}
};
//! specialize for dim=dimworld, i.e. a volume element
template<int mydim, class GridImp>
class YaspGeometry<mydim,mydim,GridImp> : public AxisAlignedCubeGeometry<typename GridImp::ctype,mydim,mydim>
{
public:
typedef typename GridImp::ctype ctype;
//! default constructor
YaspGeometry ()
: AxisAlignedCubeGeometry<ctype,mydim,mydim>(FieldVector<ctype,mydim>(0),FieldVector<ctype,mydim>(0)) // anything
{}
//! constructor from midpoint and extension
YaspGeometry (const FieldVector<ctype, mydim>& ll, const FieldVector<ctype, mydim>& ur)
: AxisAlignedCubeGeometry<ctype,mydim,mydim>(ll,ur)
{}
//! copy constructor (skipping temporary variables)
YaspGeometry (const YaspGeometry& other)
: AxisAlignedCubeGeometry<ctype,mydim,mydim>(other)
{}
};
//! specialization for dim=0, this is a vertex
template<int cdim, class GridImp>
class YaspGeometry<0,cdim,GridImp> : public AxisAlignedCubeGeometry<typename GridImp::ctype,0,cdim>
{
public:
typedef typename GridImp::ctype ctype;
//! default constructor
YaspGeometry ()
: AxisAlignedCubeGeometry<typename GridImp::ctype,0,cdim>(FieldVector<ctype,cdim>(0)) // anything
{}
//! constructor
explicit YaspGeometry ( const FieldVector< ctype, cdim > &p )
: AxisAlignedCubeGeometry<typename GridImp::ctype,0,cdim>( p )
{}
YaspGeometry ( const FieldVector< ctype, cdim > &p, const FieldVector< ctype, cdim > &, const std::bitset<cdim> &)
: AxisAlignedCubeGeometry<typename GridImp::ctype,0,cdim>( p )
{}
};
} // namespace Dune
#endif // DUNE_GRID_YASPGRIDGEOMETRY_HH
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