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Teko_EpetraBlockPreconditioner.hpp
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6// Teko: A package for block and physics based preconditioning
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46
47#ifndef __Teko_EpetraBlockPreconditioner_hpp__
48#define __Teko_EpetraBlockPreconditioner_hpp__
49
50// #include "Teko_BlockPreconditionerFactory.hpp"
51#include "Teko_PreconditionerFactory.hpp"
52#include "Teko_EpetraInverseOpWrapper.hpp"
53
54namespace Teko {
55namespace Epetra {
56
66class EpetraBlockPreconditioner : public EpetraInverseOpWrapper {
67public:
74 EpetraBlockPreconditioner(const Teuchos::RCP<const PreconditionerFactory> & bfp);
75
90 virtual void initPreconditioner(bool clearOld=false);
91
104 virtual void buildPreconditioner(const Teuchos::RCP<const Epetra_Operator> & A,bool clear=true);
105
119 virtual void buildPreconditioner(const Teuchos::RCP<const Epetra_Operator> & A,const Epetra_MultiVector & mv,bool clear=true);
120
133 virtual void rebuildPreconditioner(const Teuchos::RCP<const Epetra_Operator> & A);
134
148 virtual void rebuildPreconditioner(const Teuchos::RCP<const Epetra_Operator> & A,const Epetra_MultiVector & mv);
149
159 virtual Teuchos::RCP<PreconditionerState> getPreconditionerState();
160
170 virtual Teuchos::RCP<const PreconditionerState> getPreconditionerState() const;
171
172protected:
173 Teuchos::RCP<const Thyra::LinearOpBase<double> > extractLinearOp(const Teuchos::RCP<const Epetra_Operator> & A) const;
174 Teuchos::RCP<const MappingStrategy> extractMappingStrategy(const Teuchos::RCP<const Epetra_Operator> & A) const;
175
178
179 // Teuchos::RCP<const BlockPreconditionerFactory> preconFactory_;
180 Teuchos::RCP<const PreconditionerFactory> preconFactory_;
181 Teuchos::RCP<Thyra::PreconditionerBase<double> > preconObj_;
182 bool firstBuildComplete_;
183};
184
185} // end namespace Epetra
186} // end namespace Teko
187
188#endif
A single Epetra wrapper for all the BlockPreconditioners.
virtual Teuchos::RCP< PreconditionerState > getPreconditionerState()
virtual void initPreconditioner(bool clearOld=false)
Build the underlying data structure for the preconditioner.
virtual void buildPreconditioner(const Teuchos::RCP< const Epetra_Operator > &A, bool clear=true)
Build this preconditioner from an Epetra_Operator passed in to this object.
virtual void rebuildPreconditioner(const Teuchos::RCP< const Epetra_Operator > &A)
Rebuild this preconditioner from an Epetra_Operator passed in this to object.