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MueLu_SemiCoarsenPFactory_kokkos_decl.hpp
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5// MueLu: A package for multigrid based preconditioning
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46#ifndef MUELU_SEMICOARSENPFACTORY_KOKKOS_DECL_HPP
47#define MUELU_SEMICOARSENPFACTORY_KOKKOS_DECL_HPP
48
49#include <Xpetra_Matrix_fwd.hpp>
50
51#include "MueLu_ConfigDefs.hpp"
52#include "MueLu_Level_fwd.hpp"
53#include "MueLu_PFactory.hpp"
55
56namespace MueLu {
57
96template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
98
99template <class Scalar, class LocalOrdinal, class GlobalOrdinal,
100 class DeviceType>
103 Kokkos::Compat::KokkosDeviceWrapperNode<DeviceType>> : public PFactory {
104public:
107 typedef typename DeviceType::execution_space execution_space;
108 typedef Kokkos::Compat::KokkosDeviceWrapperNode<DeviceType> node_type;
109
110private:
111 // For compatibility
113
114#undef MUELU_SEMICOARSENPFACTORY_KOKKOS_SHORT
116
117public:
119
120
122 SemiCoarsenPFactory_kokkos() : bTransferCoordinates_(false) {}
123
125 virtual ~SemiCoarsenPFactory_kokkos() = default;
127
128 RCP<const ParameterList> GetValidParameterList() const;
129
131
132
133 void DeclareInput(Level &fineLevel, Level &coarseLevel) const;
134
136
138
139
140 void Build(Level &fineLevel, Level &coarseLevel) const;
141 void BuildP(Level &fineLevel, Level &coarseLevel) const;
142
144
145 void BuildSemiCoarsenP(Level &coarseLevel, const LO NFRows, const LO NFNodes,
146 const LO DofsPerNode, const LO NFLayers,
147 const LO NCLayers, const ArrayRCP<LO> LayerId,
148 const ArrayRCP<LO> VertLineId, const RCP<Matrix> &Amat,
149 const RCP<MultiVector> fineNullspace, RCP<Matrix> &P,
150 RCP<MultiVector> &coarseNullspace) const;
151
152 // boolean which is true if coordinate information is available to be
153 // transferred to coarse coordinate information
155}; // class SemiCoarsenPFactory_kokkos
156
157} // namespace MueLu
158
159#define MUELU_SEMICOARSENPFACTORY_KOKKOS_SHORT
160#endif // MUELU_SEMICOARSENPFACTORY_KOKKOS_DECL_HPP
MueLu::DefaultLocalOrdinal LocalOrdinal
MueLu::DefaultScalar Scalar
MueLu::DefaultGlobalOrdinal GlobalOrdinal
Class that holds all level-specific information.
Factory that provides an interface for a concrete implementation of a prolongation operator.
Prolongator factory performing semi-coarsening.
Namespace for MueLu classes and methods.