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MueLu_FilteredAFactory_decl.hpp
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46 #ifndef MUELU_FILTEREDAFACTORY_DECL_HPP
47 #define MUELU_FILTEREDAFACTORY_DECL_HPP
48 
49 #include <string>
50 
51 #include "MueLu_ConfigDefs.hpp"
53 
54 #include "MueLu_LWGraph.hpp"
55 #include "MueLu_Level_fwd.hpp"
58 #include "MueLu_Aggregates_fwd.hpp"
59 namespace MueLu {
60 
66 template <class Scalar = DefaultScalar,
69  class Node = DefaultNode>
71 #undef MUELU_FILTEREDAFACTORY_SHORT
72 #include "MueLu_UseShortNames.hpp"
73 
74  public:
76 
77 
79 
81  virtual ~FilteredAFactory() {}
82 
84 
86 
88 
89 
90  void DeclareInput(Level& currentLevel) const;
91 
93 
95 
96 
102  void Build(Level& currentLevel) const;
103 
105  private:
106  void BuildReuse(const Matrix& A, const LWGraph& G, const bool lumping, double dirichletThresh, Matrix& filteredA) const;
107  void BuildNew(const Matrix& A, const LWGraph& G, const bool lumping, double dirichletThresh, Matrix& filteredA) const;
108  void BuildNewUsingRootStencil(const Matrix& A, const LWGraph& G, double dirichletThresh, Level& currentLevel, Matrix& filteredA, bool use_spread_lumping, double DdomAllowGrowthRate, double DdomCap) const;
109  void ExperimentalLumping(const Matrix& A, Matrix& filteredA, double rho, double rho2) const;
110 
111 }; // class FilteredAFactory
112 
113 } // namespace MueLu
114 
115 #define MUELU_FILTEREDAFACTORY_SHORT
116 #endif // MUELU_FILTEREDAFACTORY_DECL_HPP
void BuildReuse(const Matrix &A, const LWGraph &G, const bool lumping, double dirichletThresh, Matrix &filteredA) const
MueLu::DefaultLocalOrdinal LocalOrdinal
Tpetra::KokkosClassic::DefaultNode::DefaultNodeType DefaultNode
RCP< const ParameterList > GetValidParameterList() const
Return a const parameter list of valid parameters that setParameterList() will accept.
void Build(Level &currentLevel) const
Build method.
MueLu::DefaultNode Node
MueLu::DefaultScalar Scalar
Tpetra::Details::DefaultTypes::scalar_type DefaultScalar
MueLu::DefaultGlobalOrdinal GlobalOrdinal
Class that holds all level-specific information.
Definition: MueLu_Level.hpp:99
virtual ~FilteredAFactory()
Destructor.
void ExperimentalLumping(const Matrix &A, Matrix &filteredA, double rho, double rho2) const
Lightweight MueLu representation of a compressed row storage graph.
void BuildNew(const Matrix &A, const LWGraph &G, const bool lumping, double dirichletThresh, Matrix &filteredA) const
void DeclareInput(Level &currentLevel) const
Input.
Factory for building filtered matrices using filtered graphs.
Base class for factories that use one level (currentLevel).
void BuildNewUsingRootStencil(const Matrix &A, const LWGraph &G, double dirichletThresh, Level &currentLevel, Matrix &filteredA, bool use_spread_lumping, double DdomAllowGrowthRate, double DdomCap) const