An Epetra operator representing the block stochastic Galerkin operator. More...

#include <Stokhos_KLReducedMatrixFreeOperator.hpp>

Inheritance diagram for Stokhos::KLReducedMatrixFreeOperator:

Collaboration diagram for Stokhos::KLReducedMatrixFreeOperator:

Public Member Functions
	KLReducedMatrixFreeOperator (const Teuchos::RCP< const EpetraExt::MultiComm > &sg_comm, const Teuchos::RCP< const Stokhos::OrthogPolyBasis< int, double > > &sg_basis, const Teuchos::RCP< const Stokhos::EpetraSparse3Tensor > &epetraCijk, const Teuchos::RCP< const Epetra_Map > &domain_base_map, const Teuchos::RCP< const Epetra_Map > &range_base_map, const Teuchos::RCP< const Epetra_Map > &domain_sg_map, const Teuchos::RCP< const Epetra_Map > &range_sg_map, const Teuchos::RCP< Teuchos::ParameterList > &params)
	Constructor.

virtual	~KLReducedMatrixFreeOperator ()
	Destructor.

Stokhos::SGOperator methods
virtual void	setupOperator (const Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > &poly)
	Setup operator.

virtual Teuchos::RCP < Stokhos::EpetraOperatorOrthogPoly >	getSGPolynomial ()
	Get SG polynomial.

virtual Teuchos::RCP< const Stokhos::EpetraOperatorOrthogPoly >	getSGPolynomial () const
	Get SG polynomial.

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.

Public Member Functions inherited from Stokhos::SGOperator
	SGOperator ()
	Constructor.

virtual	~SGOperator ()
	Destructor.

Protected Types
typedef Stokhos::Sparse3Tensor < int, double >	Cijk_type
	Short-hand for Cijk.

Protected Member Functions
void	setup ()
	Setup KL blocks.

Protected Attributes
std::string	label
	Label for operator.

Teuchos::RCP< const EpetraExt::MultiComm >	sg_comm
	Stores SG parallel communicator.

Teuchos::RCP< const Stokhos::OrthogPolyBasis< int, double > >	sg_basis
	Stochastic Galerking basis.

Teuchos::RCP< const Stokhos::EpetraSparse3Tensor >	epetraCijk
	Stores Epetra Cijk tensor.

Teuchos::RCP< const Epetra_Map >	domain_base_map
	Stores domain base map.

Teuchos::RCP< const Epetra_Map >	range_base_map
	Stores range base map.

Teuchos::RCP< const Epetra_Map >	domain_sg_map
	Stores domain SG map.

Teuchos::RCP< const Epetra_Map >	range_sg_map
	Stores range SG map.

Teuchos::RCP< const Cijk_type >	Cijk
	Stores triple product tensor.

Teuchos::RCP < Stokhos::EpetraOperatorOrthogPoly >	block_ops
	Stores operators.

Teuchos::RCP < Teuchos::ParameterList >	params
	Algorithmic parameters.

bool	useTranspose
	Flag indicating whether transpose was selected.

int	expansion_size
	Number of terms in expansion.

int	num_blocks
	Number of blocks.

int	num_KL
	Number of KL terms.

int	num_KL_computed
	Number of computed KL terms.

Teuchos::RCP< Epetra_CrsMatrix >	mean
	Mean block.

Teuchos::RCP< Epetra_Map >	block_vec_map
	Block map for vectorized-matrices.

Teuchos::RCP < Stokhos::EpetraVectorOrthogPoly >	block_vec_poly
	Polynomial sorting vectorized matrix coefficients.

Teuchos::Array< Teuchos::Array < double > >	dot_products
	Dot products of KL eigenvectors and Jacobian blocks.

Teuchos::RCP < Stokhos::Sparse3Tensor< int, double > >	sparse_kl_coeffs
	Sparse KL coefficients.

Teuchos::Array< Teuchos::RCP < Epetra_CrsMatrix > >	kl_blocks
	KL blocks.

Teuchos::RCP < Stokhos::EpetraOperatorOrthogPoly >	kl_ops
	KL blocks as operators.

Teuchos::RCP < Stokhos::MatrixFreeOperator >	kl_mat_free_op
	Matrix-Free operator using KL operators.

double	drop_tolerance
	Tolerance for dropping entries in sparse 3 tensor.

bool	do_error_tests
	Whether to do KL error tests (can be expensive)

Detailed Description

An Epetra operator representing the block stochastic Galerkin operator.

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

Stokhos_KLReducedMatrixFreeOperator.hpp
Stokhos_KLReducedMatrixFreeOperator.cpp

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Detailed Description