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MueLu_IndefBlockedDiagonalSmoother_decl.hpp
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46 /*
47  * MueLu_IndefBlockedDiagonalSmoother_decl.hpp
48  *
49  * Created on: 13 May 2014
50  * Author: wiesner
51  */
52 
53 #ifndef MUELU_INDEFBLOCKEDDIAGONALSMOOTHER_DECL_HPP_
54 #define MUELU_INDEFBLOCKEDDIAGONALSMOOTHER_DECL_HPP_
55 
56 
57 #include "MueLu_ConfigDefs.hpp"
58 
60 
61 //Xpetra
65 #include <Xpetra_Matrix_fwd.hpp>
66 
67 //MueLu
69 #include "MueLu_SmootherPrototype.hpp"
74 #include "MueLu_Utilities_fwd.hpp"
75 
80 
81 namespace MueLu {
82 
93  template <class Scalar = SmootherPrototype<>::scalar_type,
94  class LocalOrdinal = typename SmootherPrototype<Scalar>::local_ordinal_type,
95  class GlobalOrdinal = typename SmootherPrototype<Scalar, LocalOrdinal>::global_ordinal_type,
96  class Node = typename SmootherPrototype<Scalar, LocalOrdinal, GlobalOrdinal>::node_type>
98  public SmootherPrototype<Scalar,LocalOrdinal,GlobalOrdinal,Node>
99  {
101 
102 #undef MUELU_INDEFBLOCKEDDIAGONALSMOOTHER_SHORT
103 #include "MueLu_UseShortNames.hpp"
104 
105  public:
106 
108 
109 
113 
117 
119 
120 
122 
123  void DeclareInput(Level &currentLevel) const;
124 
126  void AddFactoryManager(RCP<const FactoryManagerBase> FactManager, int pos = 0);
127 
129 
131 
132 
135  void Setup(Level &currentLevel);
136 
142  void Apply(MultiVector& X, const MultiVector& B, bool InitialGuessIsZero = false) const;
144 
146 
148 
149 
151  std::string description() const;
152 
154  //using MueLu::Describable::describe; // overloading, not hiding
155  void print(Teuchos::FancyOStream &out, const VerbLevel verbLevel = Default) const;
156 
158  size_t getNodeSmootherComplexity() const;
159 
161 
162  private:
163 
165  std::string type_;
166 
168 
170  RCP<Matrix> A_; // < ! internal blocked operator "A" generated by AFact_
173 
176 
180 
182 
187  std::vector<Teuchos::RCP<const FactoryManagerBase> > FactManager_;
188  };
189 
190 } // namespace MueLu
191 
192 #define MUELU_INDEFBLOCKEDDIAGONALSMOOTHER_SHORT
193 
194 #endif /* MUELU_INDEFBLOCKEDDIAGONALSMOOTHER_DECL_HPP_ */
std::string description() const
Return a simple one-line description of this object.
std::vector< Teuchos::RCP< const FactoryManagerBase > > FactManager_
vector of factory managers
void Apply(MultiVector &X, const MultiVector &B, bool InitialGuessIsZero=false) const
Apply the Braess Sarazin smoother.
Xpetra::MapExtractor< Scalar, LocalOrdinal, GlobalOrdinal, Node > MapExtractorClass
Base class for smoother prototypes.
void print(Teuchos::FancyOStream &out, const VerbLevel verbLevel=Default) const
Print the object with some verbosity level to an FancyOStream object.
void DeclareInput(Level &currentLevel) const
Input.
RCP< const MapExtractorClass > rangeMapExtractor_
range map extractor (from A_ generated by AFact)
Class that holds all level-specific information.
Definition: MueLu_Level.hpp:99
Cheap Blocked diagonal smoother for indefinite 2x2 block matrices.
RCP< const ParameterList > GetValidParameterList() const
Input.
RCP< Matrix > Z_
pressure stabilization term or null block
size_t getNodeSmootherComplexity() const
Get a rough estimate of cost per iteration.
Teuchos::RCP< SmootherBase > velPredictSmoo_
Block smoothers.
Teuchos::RCP< SmootherBase > schurCompSmoo_
smoother for SchurComplement equation
void AddFactoryManager(RCP< const FactoryManagerBase > FactManager, int pos=0)
Add a factory manager for BraessSarazin internal SchurComplement handling.
RCP< const MapExtractorClass > domainMapExtractor_
domain map extractor (from A_ generated by AFact)