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A multi-point preconditioner based on applying the inverse of the mean. More...
#include <Stokhos_MPMeanBasedPreconditioner.hpp>
Public Member Functions | |
MPMeanBasedPreconditioner (const Teuchos::RCP< const EpetraExt::MultiComm > &mp_comm, int num_mp_blocks, const Teuchos::RCP< const Epetra_Map > &base_map, const Teuchos::RCP< const Epetra_Map > &mp_map, const Teuchos::RCP< Stokhos::AbstractPreconditionerFactory > &prec_factory, const Teuchos::RCP< Teuchos::ParameterList > ¶ms) | |
Constructor. | |
virtual | ~MPMeanBasedPreconditioner () |
Destructor. | |
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MPPreconditioner () | |
Constructor. | |
virtual | ~MPPreconditioner () |
Destructor. | |
virtual void | setupPreconditioner (const Teuchos::RCP< Stokhos::BlockDiagonalOperator > &mp_op, const Epetra_Vector &x)=0 |
Setup preconditioner. | |
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virtual | ~Epetra_Operator () |
virtual int | SetUseTranspose (bool UseTranspose)=0 |
virtual int | Apply (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const=0 |
virtual int | ApplyInverse (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const=0 |
virtual double | NormInf () const=0 |
virtual const char * | Label () const=0 |
virtual bool | UseTranspose () const=0 |
virtual bool | HasNormInf () const=0 |
virtual const Epetra_Comm & | Comm () const=0 |
virtual const Epetra_Map & | OperatorDomainMap () const=0 |
virtual const Epetra_Map & | OperatorRangeMap () const=0 |
Epetra_Operator methods | |
std::string | label |
Label for operator. | |
Teuchos::RCP< const EpetraExt::MultiComm > | mp_comm |
Stores MP parallel communicator. | |
int | num_mp_blocks |
Number of mp blocks. | |
Teuchos::RCP< const Epetra_Map > | base_map |
Stores base map. | |
Teuchos::RCP< const Epetra_Map > | mp_map |
Stores MP map. | |
Teuchos::RCP< Stokhos::AbstractPreconditionerFactory > | prec_factory |
Stores factory for building mean preconditioner. | |
Teuchos::RCP< Epetra_Operator > | mean_prec |
Stores preconditioner for each block. | |
bool | useTranspose |
Flag indicating whether transpose was selected. | |
virtual int | SetUseTranspose (bool UseTranspose) |
Set to true if the transpose of the operator is requested. | |
virtual int | Apply (const Epetra_MultiVector &Input, Epetra_MultiVector &Result) const |
Returns the result of a Epetra_Operator applied to a Epetra_MultiVector Input in Result as described above. | |
virtual int | ApplyInverse (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const |
Returns the result of the inverse of the operator applied to a Epetra_MultiVector Input in Result as described above. | |
virtual double | NormInf () const |
Returns an approximate infinity norm of the operator matrix. | |
virtual const char * | Label () const |
Returns a character string describing the operator. | |
virtual bool | UseTranspose () const |
Returns the current UseTranspose setting. | |
virtual bool | HasNormInf () const |
Returns true if the this object can provide an approximate Inf-norm, false otherwise. | |
virtual const Epetra_Comm & | Comm () const |
Returns a reference to the Epetra_Comm communicator associated with this operator. | |
virtual const Epetra_Map & | OperatorDomainMap () const |
Returns the Epetra_Map object associated with the domain of this matrix operator. | |
virtual const Epetra_Map & | OperatorRangeMap () const |
Returns the Epetra_Map object associated with the range of this matrix operator. | |
MPMeanBasedPreconditioner (const MPMeanBasedPreconditioner &) | |
Private to prohibit copying. | |
MPMeanBasedPreconditioner & | operator= (const MPMeanBasedPreconditioner &) |
Private to prohibit copying. | |
Stokhos::MPPreconditioner methods | |
virtual void | setupPreconditioner (const Teuchos::RCP< Stokhos::BlockDiagonalOperator > &mp_op, const Epetra_Vector &x) |
Setup preconditioner. | |
A multi-point preconditioner based on applying the inverse of the mean.
Definition at line 60 of file Stokhos_MPMeanBasedPreconditioner.hpp.
Stokhos::MPMeanBasedPreconditioner::MPMeanBasedPreconditioner | ( | const Teuchos::RCP< const EpetraExt::MultiComm > & | mp_comm, |
int | num_mp_blocks, | ||
const Teuchos::RCP< const Epetra_Map > & | base_map, | ||
const Teuchos::RCP< const Epetra_Map > & | mp_map, | ||
const Teuchos::RCP< Stokhos::AbstractPreconditionerFactory > & | prec_factory, | ||
const Teuchos::RCP< Teuchos::ParameterList > & | params | ||
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Constructor.
Definition at line 45 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Destructor.
Definition at line 64 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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private |
Private to prohibit copying.
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Setup preconditioner.
Implements Stokhos::MPPreconditioner.
Definition at line 70 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Set to true if the transpose of the operator is requested.
Implements Epetra_Operator.
Definition at line 89 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Returns the result of a Epetra_Operator applied to a Epetra_MultiVector Input in Result as described above.
Implements Epetra_Operator.
Definition at line 99 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Returns the result of the inverse of the operator applied to a Epetra_MultiVector Input in Result as described above.
Implements Epetra_Operator.
Definition at line 112 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Returns an approximate infinity norm of the operator matrix.
Implements Epetra_Operator.
Definition at line 125 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Returns a character string describing the operator.
Implements Epetra_Operator.
Definition at line 133 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Returns the current UseTranspose setting.
Implements Epetra_Operator.
Definition at line 140 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Returns true if the this object can provide an approximate Inf-norm, false otherwise.
Implements Epetra_Operator.
Definition at line 147 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Returns a reference to the Epetra_Comm communicator associated with this operator.
Implements Epetra_Operator.
Definition at line 154 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Returns the Epetra_Map object associated with the domain of this matrix operator.
Implements Epetra_Operator.
Definition at line 160 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Returns the Epetra_Map object associated with the range of this matrix operator.
Implements Epetra_Operator.
Definition at line 167 of file Stokhos_MPMeanBasedPreconditioner.cpp.
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Private to prohibit copying.
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Label for operator.
Definition at line 153 of file Stokhos_MPMeanBasedPreconditioner.hpp.
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Stores MP parallel communicator.
Definition at line 156 of file Stokhos_MPMeanBasedPreconditioner.hpp.
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Number of mp blocks.
Definition at line 159 of file Stokhos_MPMeanBasedPreconditioner.hpp.
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Stores base map.
Definition at line 162 of file Stokhos_MPMeanBasedPreconditioner.hpp.
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Stores MP map.
Definition at line 165 of file Stokhos_MPMeanBasedPreconditioner.hpp.
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Stores factory for building mean preconditioner.
Definition at line 168 of file Stokhos_MPMeanBasedPreconditioner.hpp.
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Stores preconditioner for each block.
Definition at line 171 of file Stokhos_MPMeanBasedPreconditioner.hpp.
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Flag indicating whether transpose was selected.
Definition at line 174 of file Stokhos_MPMeanBasedPreconditioner.hpp.