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

Inheritance diagram for Stokhos::MPBlockDiagonalPreconditioner:

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. More...

virtual	~MPBlockDiagonalPreconditioner ()
	Destructor. More...

Public Member Functions inherited from Stokhos::MPPreconditioner
	MPPreconditioner ()
	Constructor. More...

virtual	~MPPreconditioner ()
	Destructor. More...

Protected Attributes
std::string	label
	Label for operator. More...

Teuchos::RCP< const EpetraExt::MultiComm >	mp_comm
	Stores MP parallel communicator. More...

int	num_mp_blocks
	Number of mp blocks. More...

Teuchos::RCP< const Epetra_Map >	base_map
	Stores base map. More...

Teuchos::RCP< const Epetra_Map >	mp_map
	Stores MP map. More...

Teuchos::RCP < Stokhos::AbstractPreconditionerFactory >	prec_factory
	Stores factory for building mean preconditioner. More...

Teuchos::Array< Teuchos::RCP < Epetra_Operator > >	block_precs
	Stores preconditioner for each block. More...

bool	useTranspose
	Flag indicating whether transpose was selected. More...

Private Member Functions
	MPBlockDiagonalPreconditioner (const MPBlockDiagonalPreconditioner &)
	Private to prohibit copying. More...

MPBlockDiagonalPreconditioner &	operator= (const MPBlockDiagonalPreconditioner &)
	Private to prohibit copying. More...

Stokhos::MPPreconditioner methods
virtual void	setupPreconditioner (const Teuchos::RCP< Stokhos::BlockDiagonalOperator > &mp_op, const Epetra_Vector &x)
	Setup preconditioner. More...

Epetra_Operator methods
virtual int	SetUseTranspose (bool UseTranspose)
	Set to true if the transpose of the operator is requested. More...

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. More...

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. More...

virtual double	NormInf () const
	Returns an approximate infinity norm of the operator matrix. More...

virtual const char *	Label () const
	Returns a character string describing the operator. More...

virtual bool	UseTranspose () const
	Returns the current UseTranspose setting. More...

virtual bool	HasNormInf () const
	Returns true if the this object can provide an approximate Inf-norm, false otherwise. More...

virtual const Epetra_Comm &	Comm () const
	Returns a reference to the Epetra_Comm communicator associated with this operator. More...

virtual const Epetra_Map &	OperatorDomainMap () const
	Returns the Epetra_Map object associated with the domain of this matrix operator. More...

virtual const Epetra_Map &	OperatorRangeMap () const
	Returns the Epetra_Map object associated with the range of this matrix operator. More...

Detailed Description

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

Constructor & Destructor Documentation

Stokhos::MPBlockDiagonalPreconditioner::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.

Stokhos::MPBlockDiagonalPreconditioner::~MPBlockDiagonalPreconditioner ( )

virtual

Destructor.

Stokhos::MPBlockDiagonalPreconditioner::MPBlockDiagonalPreconditioner ( const MPBlockDiagonalPreconditioner & )

private

Private to prohibit copying.

void Stokhos::MPBlockDiagonalPreconditioner::setupPreconditioner	(	const Teuchos::RCP< Stokhos::BlockDiagonalOperator > &	mp_op,
		const Epetra_Vector &	x
	)