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Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes
Stokhos::KLReducedMatrixFreeOperator Class Reference

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

#include <Stokhos_KLReducedMatrixFreeOperator.hpp>

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List of all members.

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.

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_typeCijk
 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:
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