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Stokhos::MPBlockDiagonalPreconditioner Class Reference

A multi-point preconditioner based on applying the inverse of the diagonal. More...

#include <Stokhos_MPBlockDiagonalPreconditioner.hpp>

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List of all members.

Public Member Functions

 MPBlockDiagonalPreconditioner (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)
 Constructor.
virtual ~MPBlockDiagonalPreconditioner ()
 Destructor.
Stokhos::MPPreconditioner methods
virtual void setupPreconditioner (const Teuchos::RCP< Stokhos::BlockDiagonalOperator > &mp_op, const Epetra_Vector &x)
 Setup preconditioner.
Epetra_Operator methods
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.

Protected Attributes

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::Array< Teuchos::RCP
< Epetra_Operator > > 
block_precs
 Stores preconditioner for each block.
bool useTranspose
 Flag indicating whether transpose was selected.

Detailed Description

A multi-point preconditioner based on applying the inverse of the diagonal.


The documentation for this class was generated from the following files:
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