42#ifndef STOKHOS_MATRIX_FREE_OPERATOR_HPP
43#define STOKHOS_MATRIX_FREE_OPERATOR_HPP
46#include "EpetraExt_MultiComm.h"
51#include "Teuchos_ParameterList.hpp"
52#include "Teuchos_Array.hpp"
66 const Teuchos::RCP<const EpetraExt::MultiComm>&
sg_comm,
68 const Teuchos::RCP<const Stokhos::EpetraSparse3Tensor>&
epetraCijk,
73 const Teuchos::RCP<Teuchos::ParameterList>& params);
86 const Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly >& poly);
89 virtual Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly >
93 virtual Teuchos::RCP<const Stokhos::EpetraOperatorOrthogPoly >
119 virtual double NormInf()
const;
122 virtual const char*
Label ()
const;
167 Teuchos::RCP<const EpetraExt::MultiComm>
sg_comm;
170 Teuchos::RCP<const Stokhos::OrthogPolyBasis<int,double> >
sg_basis;
209 Teuchos::RCP<const Cijk_type>
Cijk;
212 Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly >
block_ops;
245 mutable Teuchos::Array< Teuchos::RCP<const Epetra_MultiVector> >
input_block;
248 mutable Teuchos::Array< Teuchos::RCP<Epetra_MultiVector> >
result_block;
251 mutable Teuchos::RCP<Epetra_MultiVector>
tmp;
An Epetra operator representing the block stochastic Galerkin operator.
virtual const char * Label() const
Returns a character string describing the operator.
int num_blocks
Number of Jacobian blocks (not necessarily equal to expansion_size)
Teuchos::RCP< const Epetra_Map > range_base_map
Stores range base map.
std::string label
Label for operator.
Teuchos::RCP< Epetra_Import > col_importer
Importer from domain map to column map.
MatrixFreeOperator(const MatrixFreeOperator &)
Private to prohibit copying.
Teuchos::RCP< const Epetra_Map > range_sg_map
Stores range SG map.
Cijk_type::k_iterator k_end
Ending k iterator.
Teuchos::RCP< Epetra_MultiVector > input_col_trans
Temporary to store result of importing input into column map (transpose)
virtual bool HasNormInf() const
Returns true if the this object can provide an approximate Inf-norm, false otherwise.
virtual ~MatrixFreeOperator()
Destructor.
Teuchos::RCP< Epetra_MultiVector > tmp
Temporary multivector used in Apply()
bool useTranspose
Flag indicating whether transpose was selected.
MatrixFreeOperator(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 > ¶ms)
Constructor.
Teuchos::RCP< const Epetra_BlockMap > stoch_col_map
Stores stochastic part of column map.
Teuchos::RCP< const Epetra_Map > domain_sg_map
Stores domain SG map.
Teuchos::Array< Teuchos::RCP< Epetra_MultiVector > > result_block
MultiVectors for each block for Apply() result.
bool include_mean
Flag indicating whether to include mean term.
Teuchos::RCP< const Cijk_type > Cijk
Stores triple product tensor.
virtual void setupOperator(const Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > &poly)
Setup operator.
Teuchos::RCP< const Stokhos::OrthogPolyBasis< int, double > > sg_basis
Stochastic Galerking basis.
virtual const Epetra_Map & OperatorRangeMap() const
Returns the Epetra_Map object associated with the range of this matrix operator.
Teuchos::RCP< Epetra_Map > global_col_map_trans
Stores operator column SG map for transpose.
virtual Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > getSGPolynomial()
Get SG polynomial.
Teuchos::Array< Teuchos::RCP< const Epetra_MultiVector > > input_block
MultiVectors for each block for Apply() input.
Teuchos::RCP< Epetra_MultiVector > tmp_trans
Temporary multivector used in Apply() for transpose.
virtual double NormInf() const
Returns an approximate infinity norm of the operator matrix.
Teuchos::RCP< Epetra_MultiVector > input_col
Temporary to store result of importing input into column map.
bool scale_op
Flag indicating whether operator be scaled with <\psi_i^2>
bool use_block_apply
Flag indicating whether to use block Epetra_MultiVector apply.
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 ...
bool is_stoch_parallel
Whether we have parallelism over stochastic blocks.
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 ...
Cijk_type::k_iterator k_begin
Starting k iterator.
bool only_use_linear
Flag indicating whether to only use linear terms.
Teuchos::RCP< Epetra_Map > global_col_map
Stores operator column SG map.
int expansion_size
Number of terms in expansion.
Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > block_ops
Stores operators.
virtual const Epetra_Comm & Comm() const
Returns a reference to the Epetra_Comm communicator associated with this operator.
Teuchos::RCP< const Epetra_Map > domain_base_map
Stores domain base map.
double countApplyFlops() const
Return number of FLOPS for each call to Apply()
Teuchos::RCP< Epetra_Import > col_importer_trans
Importer from range map to column map.
virtual const Epetra_Map & OperatorDomainMap() const
Returns the Epetra_Map object associated with the domain of this matrix operator.
virtual int SetUseTranspose(bool UseTranspose)
Set to true if the transpose of the operator is requested.
Stokhos::Sparse3Tensor< int, double > Cijk_type
Short-hand for Cijk.
Teuchos::RCP< const Stokhos::EpetraSparse3Tensor > epetraCijk
Stores Epetra Cijk tensor.
MatrixFreeOperator & operator=(const MatrixFreeOperator &)
Private to prohibit copying.
virtual bool UseTranspose() const
Returns the current UseTranspose setting.
int max_num_mat_vec
Maximum number of matvecs in Apply.
Teuchos::RCP< const EpetraExt::MultiComm > sg_comm
Stores SG parallel communicator.
Abstract base class for multivariate orthogonal polynomials.
An abstract class to represent a generic stochastic Galerkin operator as an Epetra_Operator.
Data structure storing a sparse 3-tensor C(i,j,k) in a a compressed format.
kji_sparse_array::const_iterator k_iterator
Iterator for looping over k entries.
Top-level namespace for Stokhos classes and functions.