42 #ifndef STOKHOS_MP_BLOCK_DIAGONAL_PRECONDITIONER_HPP 43 #define STOKHOS_MP_BLOCK_DIAGONAL_PRECONDITIONER_HPP 45 #include "Teuchos_RCP.hpp" 48 #include "EpetraExt_MultiComm.h" 49 #include "Epetra_Map.h" 51 #include "Teuchos_ParameterList.hpp" 52 #include "Teuchos_Array.hpp" 66 const Teuchos::RCP<const EpetraExt::MultiComm>&
mp_comm,
68 const Teuchos::RCP<const Epetra_Map>&
base_map,
69 const Teuchos::RCP<const Epetra_Map>&
mp_map,
70 const Teuchos::RCP<Stokhos::AbstractPreconditionerFactory>&
prec_factory,
71 const Teuchos::RCP<Teuchos::ParameterList>& params);
82 const Teuchos::RCP<Stokhos::BlockDiagonalOperator>& mp_op,
83 const Epetra_Vector&
x);
97 virtual int Apply(
const Epetra_MultiVector& Input,
98 Epetra_MultiVector& Result)
const;
105 Epetra_MultiVector& Y)
const;
108 virtual double NormInf()
const;
111 virtual const char*
Label ()
const;
126 virtual const Epetra_Comm &
Comm()
const;
156 Teuchos::RCP<const EpetraExt::MultiComm>
mp_comm;
180 #endif // STOKHOS_MP_BLOCK_DIAGONAL_PRECONDITIONER_HPP virtual void setupPreconditioner(const Teuchos::RCP< Stokhos::BlockDiagonalOperator > &mp_op, const Epetra_Vector &x)
Setup preconditioner.
virtual int SetUseTranspose(bool UseTranspose)
Set to true if the transpose of the operator is requested.
virtual ~MPBlockDiagonalPreconditioner()
Destructor.
virtual const char * Label() const
Returns a character string describing the operator.
bool useTranspose
Flag indicating whether transpose was selected.
virtual double NormInf() const
Returns an approximate infinity norm of the operator matrix.
const IndexType const IndexType const IndexType const IndexType const ValueType const ValueType * x
virtual const Epetra_Comm & Comm() const
Returns a reference to the Epetra_Comm communicator associated with this operator.
Top-level namespace for Stokhos classes and functions.
int num_mp_blocks
Number of mp blocks.
std::string label
Label for operator.
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 ...
virtual const Epetra_Map & OperatorDomainMap() const
Returns the Epetra_Map object associated with the domain of this matrix operator. ...
Teuchos::RCP< const Epetra_Map > mp_map
Stores MP map.
A multi-point preconditioner based on applying the inverse of the diagonal.
Teuchos::RCP< const EpetraExt::MultiComm > mp_comm
Stores MP parallel communicator.
An abstract class to represent a generic stochastic Galerkin preconditioner as an Epetra_Operator...
Teuchos::Array< Teuchos::RCP< Epetra_Operator > > block_precs
Stores preconditioner for each block.
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 > ¶ms)
Constructor.
MPBlockDiagonalPreconditioner & operator=(const MPBlockDiagonalPreconditioner &)
Private to prohibit copying.
virtual const Epetra_Map & OperatorRangeMap() const
Returns the Epetra_Map object associated with the range of this matrix 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.
Teuchos::RCP< Stokhos::AbstractPreconditionerFactory > prec_factory
Stores factory for building mean preconditioner.
Teuchos::RCP< const Epetra_Map > base_map
Stores base map.
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 ...