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MueLu_ClassicalPFactory_decl.hpp
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5// MueLu: A package for multigrid based preconditioning
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46#ifndef MUELU_CLASSICALPFACTORY_DECL_HPP
47#define MUELU_CLASSICALPFACTORY_DECL_HPP
48
49#include <Xpetra_MultiVectorFactory_fwd.hpp>
50#include <Xpetra_VectorFactory_fwd.hpp>
51#include <Xpetra_CrsGraphFactory_fwd.hpp>
52#include <Xpetra_Map_fwd.hpp>
53#include <Xpetra_MapFactory_fwd.hpp>
54#include <Xpetra_Import_fwd.hpp>
55#include <Xpetra_Vector_fwd.hpp>
56
57#include "MueLu_ConfigDefs.hpp"
59#include "MueLu_PFactory.hpp"
66#include "MueLu_Level_fwd.hpp"
67
68namespace MueLu {
69
70 template <class Scalar = DefaultScalar,
73 class Node = DefaultNode>
74 class ClassicalPFactory : public PFactory {
75#undef MUELU_CLASSICALPFACTORY_SHORT
77
78 public:
79 // Defining types that require the short names included above
81
83
84
87
89 virtual ~ClassicalPFactory() { }
91
92 RCP<const ParameterList> GetValidParameterList() const;
93
95
96
97 void DeclareInput(Level& fineLevel, Level& coarseLevel) const;
98
100
102
103
104 void Build (Level& fineLevel, Level& coarseLevel) const;
105 void BuildP(Level& fineLevel, Level& coarseLevel) const;
106
107 private:
108
109 // Utility algorithms
110 void GenerateStrengthFlags(const Matrix & A,const GraphBase & graph, Teuchos::Array<size_t> & eis_rowptr, Teuchos::Array<bool> & edgeIsStrong) const;
111
112 // Ghosting Algorithms
113 void GhostCoarseMap(const Matrix &A,const Import & Importer, const ArrayRCP<const LO> myPointType,const RCP<const Map> & coarseMap, RCP<const Map> & coarseColMap) const;
114
115 // Coarsening algorithms
116 void Coarsen_ClassicalModified(const Matrix & A,const RCP<const Matrix> & Aghost, const GraphBase & graph, RCP<const Map> & coarseColMap, RCP<const Map> & coarseDomainMap, LO num_c_points, LO num_f_points, const Teuchos::ArrayView<const LO> & myPointType, const Teuchos::ArrayView<const LO> & myPointType_ghost, const Teuchos::Array<LO> & cpoint2pcol, const Teuchos::Array<LO> & pcol2cpoint, Teuchos::Array<size_t> & eis_rowptr, Teuchos::Array<bool> & edgeIsStrong, RCP<LocalOrdinalVector> & BlockNumber, RCP<const Import> remoteOnlyImporter, RCP<Matrix> & P) const;
117 void Coarsen_Direct(const Matrix & A,const RCP<const Matrix> & Aghost, const GraphBase & graph, RCP<const Map> & coarseColMap, RCP<const Map> & coarseDomainMap, LO num_c_points, LO num_f_points, const Teuchos::ArrayView<const LO> & myPointType, const Teuchos::ArrayView<const LO> & myPointType_ghost, const Teuchos::Array<LO> & cpoint2pcol, const Teuchos::Array<LO> & pcol2cpoint, Teuchos::Array<size_t> & eis_rowptr, Teuchos::Array<bool> & edgeIsStrong, RCP<LocalOrdinalVector> & BlockNumber, RCP<Matrix> & P) const;
118 void Coarsen_Ext_Plus_I(const Matrix & A,const RCP<const Matrix> & Aghost, const GraphBase & graph, RCP<const Map> & coarseColMap, RCP<const Map> & coarseDomainMap, LO num_c_points, LO num_f_points, const Teuchos::ArrayView<const LO> & myPointType, const Teuchos::ArrayView<const LO> & myPointType_ghost, const Teuchos::Array<LO> & cpoint2pcol, const Teuchos::Array<LO> & pcol2cpoint, Teuchos::Array<size_t> & eis_rowptr, Teuchos::Array<bool> & edgeIsStrong, RCP<LocalOrdinalVector> & BlockNumber, RCP<Matrix> & P) const;
119
121
122 }; //class ClassicalPFactory
123
124} //namespace MueLu
125
126#define MUELU_CLASSICALPFACTORY_SHORT
127#endif // MUELU_CLASSICALPFACTORY_DECL_HPP
MueLu::DefaultLocalOrdinal LocalOrdinal
MueLu::DefaultScalar Scalar
MueLu::DefaultGlobalOrdinal GlobalOrdinal
MueLu::DefaultNode Node
void BuildP(Level &fineLevel, Level &coarseLevel) const
Abstract Build method.
void Coarsen_Direct(const Matrix &A, const RCP< const Matrix > &Aghost, const GraphBase &graph, RCP< const Map > &coarseColMap, RCP< const Map > &coarseDomainMap, LO num_c_points, LO num_f_points, const Teuchos::ArrayView< const LO > &myPointType, const Teuchos::ArrayView< const LO > &myPointType_ghost, const Teuchos::Array< LO > &cpoint2pcol, const Teuchos::Array< LO > &pcol2cpoint, Teuchos::Array< size_t > &eis_rowptr, Teuchos::Array< bool > &edgeIsStrong, RCP< LocalOrdinalVector > &BlockNumber, RCP< Matrix > &P) const
void GenerateStrengthFlags(const Matrix &A, const GraphBase &graph, Teuchos::Array< size_t > &eis_rowptr, Teuchos::Array< bool > &edgeIsStrong) const
void Build(Level &fineLevel, Level &coarseLevel) const
Build an object with this factory.
void DeclareInput(Level &fineLevel, Level &coarseLevel) const
Input.
void Coarsen_Ext_Plus_I(const Matrix &A, const RCP< const Matrix > &Aghost, const GraphBase &graph, RCP< const Map > &coarseColMap, RCP< const Map > &coarseDomainMap, LO num_c_points, LO num_f_points, const Teuchos::ArrayView< const LO > &myPointType, const Teuchos::ArrayView< const LO > &myPointType_ghost, const Teuchos::Array< LO > &cpoint2pcol, const Teuchos::Array< LO > &pcol2cpoint, Teuchos::Array< size_t > &eis_rowptr, Teuchos::Array< bool > &edgeIsStrong, RCP< LocalOrdinalVector > &BlockNumber, RCP< Matrix > &P) const
RCP< const ParameterList > GetValidParameterList() const
Return a const parameter list of valid parameters that setParameterList() will accept.
typename ClassicalMapFactory::point_type point_type
void Coarsen_ClassicalModified(const Matrix &A, const RCP< const Matrix > &Aghost, const GraphBase &graph, RCP< const Map > &coarseColMap, RCP< const Map > &coarseDomainMap, LO num_c_points, LO num_f_points, const Teuchos::ArrayView< const LO > &myPointType, const Teuchos::ArrayView< const LO > &myPointType_ghost, const Teuchos::Array< LO > &cpoint2pcol, const Teuchos::Array< LO > &pcol2cpoint, Teuchos::Array< size_t > &eis_rowptr, Teuchos::Array< bool > &edgeIsStrong, RCP< LocalOrdinalVector > &BlockNumber, RCP< const Import > remoteOnlyImporter, RCP< Matrix > &P) const
void GhostCoarseMap(const Matrix &A, const Import &Importer, const ArrayRCP< const LO > myPointType, const RCP< const Map > &coarseMap, RCP< const Map > &coarseColMap) const
MueLu representation of a graph.
Class that holds all level-specific information.
Definition: MueLu_Level.hpp:99
Factory that provides an interface for a concrete implementation of a prolongation operator.
Namespace for MueLu classes and methods.
KokkosClassic::DefaultNode::DefaultNodeType DefaultNode
Tpetra::Details::DefaultTypes::scalar_type DefaultScalar