basisfunctionset/basisfunctionset.hh

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#ifndef DUNE_FEM_BASISFUNCTIONSET_BASISFUNCTIONSET_HH
#define DUNE_FEM_BASISFUNCTIONSET_BASISFUNCTIONSET_HH
 
#include <cstddef>
#include <type_traits>
 
#include <dune/geometry/referenceelements.hh>
#include <dune/geometry/type.hh>
 
#include <dune/fem/space/common/functionspace.hh>
 
namespace Dune
{
 
  namespace Fem
  {
 
    // BasisFunctionSet
    // ----------------
 
    template< class Entity, class Range >
    class BasisFunctionSet
    {
    public:
      typedef Entity EntityType;
 
      typedef FunctionSpace< typename Entity::Geometry::ctype, typename Range::value_type,
                             Entity::Geometry::coorddimension, Range::dimension
                           > FunctionSpaceType;
 
      typedef typename FunctionSpaceType::DomainType DomainType;
      typedef typename FunctionSpaceType::RangeType RangeType;
      typedef typename FunctionSpaceType::JacobianRangeType JacobianRangeType;
      typedef typename FunctionSpaceType::HessianRangeType HessianRangeType;
 
      typedef std::decay_t< decltype( Dune::ReferenceElements< typename Entity::Geometry::ctype,
                                                               Entity::Geometry::coorddimension >::
                              general( std::declval< const Dune::GeometryType & >() ) ) > ReferenceElementType;
 
      int order () const;
 
      std::size_t size () const;
 
      const ReferenceElementType &referenceElement () const;
 
      template< class Quadrature, class Vector, class DofVector >
      void axpy ( const Quadrature &quad, const Vector &values, DofVector &dofs ) const;
 
      template< class Quadrature, class VectorA, class VectorB, class DofVector >
      void axpy ( const Quadrature &quad, const VectorA &valuesA, const VectorB &valuesB, DofVector &dofs ) const;
 
      template< class Point, class DofVector >
      void axpy ( const Point &x, const RangeType &valueFactor, DofVector &dofs ) const;
 
      template< class Point, class DofVector >
      void axpy ( const Point &x, const JacobianRangeType &jacobianFactor, DofVector &dofs ) const;
 
      template< class Point, class DofVector >
      void axpy ( const Point &x, const RangeType &valueFactor, const JacobianRangeType &jacobianFactor,
                  DofVector &dofs ) const;
 
      template< class Quadrature, class DofVector, class RangeArray >
      void evaluateAll ( const Quadrature &quad, const DofVector &dofs, RangeArray &ranges ) const;
 
      template< class Point, class DofVector >
      void evaluateAll ( const Point &x, const DofVector &dofs, RangeType &value ) const;
 
      template< class Point, class RangeArray >
      void evaluateAll ( const Point &x, RangeArray &values ) const;
 
      template< class QuadratureType, class DofVector, class JacobianArray >
      void jacobianAll ( const QuadratureType &quad, const DofVector &dofs, JacobianArray &jacobians ) const;
 
      template< class Point, class DofVector >
      void jacobianAll ( const Point &x, const DofVector &dofs, JacobianRangeType &jacobian ) const;
 
      template< class Point, class JacobianRangeArray >
      void jacobianAll ( const Point &x, JacobianRangeArray &jacobians ) const;
 
      template< class Point, class DofVector >
      void hessianAll ( const Point &x, const DofVector &dofs, HessianRangeType &hessian ) const;
 
      template< class Point, class HessianRangeArray >
      void hessianAll ( const Point &x, HessianRangeArray &hessians ) const;
 
      const EntityType &entity () const;
 
      bool valid () const;
    };
 
  } // namespace Fem
 
} // namespace Dune
 
#endif // #ifndef DUNE_FEM_BASISFUNCTIONSET_BASISFUNCTIONSET_HH