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MueLu_GeometricInterpolationPFactory_kokkos_decl.hpp
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5// MueLu: A package for multigrid based preconditioning
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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
50#include <Teuchos_SerialDenseMatrix.hpp>
51#include <Teuchos_SerialDenseVector.hpp>
52#include <Teuchos_SerialDenseSolver.hpp>
53
54#include "Xpetra_CrsGraph.hpp"
55
56#include "MueLu_PFactory.hpp"
57#include "MueLu_Level_fwd.hpp"
59
60namespace MueLu{
61
62 template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
64#undef MUELU_GEOMETRICINTERPOLATIONPFACTORY_KOKKOS_SHORT
66
67 public:
68
69 // Declare useful types
70 using real_type = typename Teuchos::ScalarTraits<SC>::coordinateType;
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;
75 using coord_view_type = typename Kokkos::View<impl_scalar_type**,
76 Kokkos::LayoutLeft,
78
80
81
84
88
89 RCP<const ParameterList> GetValidParameterList() const;
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
114
115 coarseCoordinatesBuilderFunctor(RCP<IndexManager_kokkos> geoData,
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 void BuildConstantP(RCP<Matrix>& P, RCP<const CrsGraph>& prolongatorGraph, RCP<Matrix>& A) const;
127 private:
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
void DeclareInput(Level &fineLevel, Level &coarseLevel) const
Input.
void ComputeLinearInterpolationStencil(const int numDimensions, const int numInterpolationPoints, const Array< Array< real_type > > coord, Array< real_type > &stencil) const
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 Kokkos::Details::ArithTraits< real_type >::val_type impl_scalar_type
void BuildP(Level &fineLevel, Level &coarseLevel) const
Abstract Build method.
typename Kokkos::View< impl_scalar_type **, Kokkos::LayoutLeft, device_type > coord_view_type
void BuildConstantP(RCP< Matrix > &P, RCP< const CrsGraph > &prolongatorGraph, RCP< Matrix > &A) const
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.
Container class for mesh layout and indices calculation.
Class that holds all level-specific information.
Factory that provides an interface for a concrete implementation of a prolongation operator.
Namespace for MueLu classes and methods.
coarseCoordinatesBuilderFunctor(RCP< IndexManager_kokkos > geoData, coord_view_type fineCoordView, coord_view_type coarseCoordView)