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MueLu_GeometricInterpolationPFactory_kokkos_decl.hpp
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46 #ifndef MUELU_GEOMETRICINTERPOLATIONPFACTORY_KOKKOS_DECL_HPP
47 #define MUELU_GEOMETRICINTERPOLATIONPFACTORY_KOKKOS_DECL_HPP
48 
49 // Teuchos includes for dense linear algebra
53 
54 #include "Xpetra_CrsGraph.hpp"
55 
56 #include "MueLu_PFactory.hpp"
57 #include "MueLu_Level_fwd.hpp"
59 
60 namespace MueLu{
61 
62  template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
64 #undef MUELU_GEOMETRICINTERPOLATIONPFACTORY_KOKKOS_SHORT
65 #include "MueLu_UseShortNames.hpp"
66 
67  public:
68 
69  // Declare useful types
71  using realvaluedmultivector_type = Xpetra::MultiVector<real_type,LO,GO,Node>;
72  using device_type = typename Node::device_type;
73  using execution_space = typename Node::execution_space;
74  using impl_scalar_type = typename Kokkos::Details::ArithTraits<real_type>::val_type;
78 
80 
81 
84 
88 
90 
92 
93 
94  void DeclareInput(Level& fineLevel, Level& coarseLevel) const;
95 
97 
99 
100 
101  void Build (Level& fineLevel, Level& coarseLevel) const;
102  void BuildP(Level& fineLevel, Level& coarseLevel) const;
103 
105 
107 
108 
110 
111  IndexManager_kokkos geoData_;
114 
116  coord_view_type fineCoordView,
117  coord_view_type coarseCoordView);
118 
119  KOKKOS_INLINE_FUNCTION
120  void operator() (const LO nodeIdx) const;
121 
122  }; // struct coarseCoordinatesBuilderFunctor
123 
125 
126  private:
127  void BuildConstantP(RCP<Matrix>& P, RCP<const CrsGraph>& prolongatorGraph, RCP<Matrix>& A) const;
128  void BuildLinearP(RCP<Matrix>& A, RCP<const CrsGraph>& prolongatorGraph,
129  RCP<realvaluedmultivector_type>& fineCoordinates,
130  RCP<realvaluedmultivector_type>& ghostCoordinates,
131  const int numDimensions, RCP<Matrix>& P) const;
132  void ComputeLinearInterpolationStencil(const int numDimensions, const int numInterpolationPoints,
133  const Array<Array<real_type> > coord,
134  Array<real_type>& stencil) const;
135  void GetInterpolationFunctions(const LO numDimensions,
136  const Teuchos::SerialDenseVector<LO,real_type> parametricCoordinates,
137  real_type functions[4][8]) const;
138 
139  }; // class GeometricInterpolationPFactory_kokkos
140 
141 } // namespace MueLu
142 
143 #define MUELU_GEOMETRICINTERPOLATIONPFACTORY_KOKKOS_SHORT
144 #endif // MUELU_GEOMETRICINTERPOLATIONPFACTORY_KOKKOS_DECL_HPP
typename Kokkos::Details::ArithTraits< real_type >::val_type impl_scalar_type
coarseCoordinatesBuilderFunctor(RCP< IndexManager_kokkos > geoData, coord_view_type fineCoordView, coord_view_type coarseCoordView)
typename Kokkos::View< impl_scalar_type **, Kokkos::LayoutLeft, execution_space > coord_view_type
void GetInterpolationFunctions(const LO numDimensions, const Teuchos::SerialDenseVector< LO, real_type > parametricCoordinates, real_type functions[4][8]) const
void Build(Level &fineLevel, Level &coarseLevel) const
Build an object with this factory.
typename Teuchos::ScalarTraits< SC >::coordinateType real_type
Xpetra::MultiVector< real_type, LO, GO, Node > realvaluedmultivector_type
Class that holds all level-specific information.
Definition: MueLu_Level.hpp:99
void ComputeLinearInterpolationStencil(const int numDimensions, const int numInterpolationPoints, const Array< Array< real_type > > coord, Array< real_type > &stencil) const
void BuildConstantP(RCP< Matrix > &P, RCP< const CrsGraph > &prolongatorGraph, RCP< Matrix > &A) const
void BuildP(Level &fineLevel, Level &coarseLevel) const
Abstract Build method.
void BuildLinearP(RCP< Matrix > &A, RCP< const CrsGraph > &prolongatorGraph, RCP< realvaluedmultivector_type > &fineCoordinates, RCP< realvaluedmultivector_type > &ghostCoordinates, const int numDimensions, RCP< Matrix > &P) const
RCP< const ParameterList > GetValidParameterList() const
Return a const parameter list of valid parameters that setParameterList() will accept.
Factory that provides an interface for a concrete implementation of a prolongation operator...
void DeclareInput(Level &fineLevel, Level &coarseLevel) const
Input.