functionspacebasis.hh

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#ifndef DUMUX_DISCRETIZATION_FUNCTION_SPACE_BASIS_HH
#define DUMUX_DISCRETIZATION_FUNCTION_SPACE_BASIS_HH
 
#if HAVE_DUNE_FUNCTIONS
 
#include <dumux/discretization/method.hh>
#include <dune/functions/functionspacebases/lagrangebasis.hh>
 
namespace Dumux {
 
template< class GridGeometry, class DiscretizationMethod = typename GridGeometry::DiscretizationMethod >
struct FunctionSpaceBasisTraits;
 
template<class GridGeometry, std::enable_if_t<GridGeometry::discMethod != DiscretizationMethods::fem, int> = 0>
typename FunctionSpaceBasisTraits<GridGeometry>::GlobalBasis
getFunctionSpaceBasis(const GridGeometry& gridGeometry)
{ return {gridGeometry.gridView()}; }
 
template<class GridGeometry, std::enable_if_t<GridGeometry::discMethod == DiscretizationMethods::fem, int> = 0>
const typename FunctionSpaceBasisTraits<GridGeometry>::GlobalBasis&
getFunctionSpaceBasis(const GridGeometry& gridGeometry)
{ return gridGeometry.feBasis(); }
 
 
// Specializations of the FunctionSpaceBasisTraits class //
 
template< class GridGeometry >
struct FunctionSpaceBasisTraits<GridGeometry, DiscretizationMethods::Box>
{ using GlobalBasis = Dune::Functions::LagrangeBasis<typename GridGeometry::GridView, /*order*/1>; };
 
template< class GridGeometry >
struct FunctionSpaceBasisTraits<GridGeometry, DiscretizationMethods::CCTpfa>
{ using GlobalBasis = Dune::Functions::LagrangeBasis<typename GridGeometry::GridView, /*order*/0>; };
 
template< class GridGeometry >
struct FunctionSpaceBasisTraits<GridGeometry, DiscretizationMethods::CCMpfa>
{ using GlobalBasis = Dune::Functions::LagrangeBasis<typename GridGeometry::GridView, /*order*/0>; };
 
template< class GridGeometry >
struct FunctionSpaceBasisTraits<GridGeometry, DiscretizationMethods::FEM>
{ using GlobalBasis = typename GridGeometry::FEBasis; };
 
} // end namespace Dumux
 
#endif // HAVE_DUNE_FUNCTIONS
#endif