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Stokhos_InterlacedOperator.hpp
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43
44#ifndef STOKHOS_INTERLACED_OPERATOR_HPP
45#define STOKHOS_INTERLACED_OPERATOR_HPP
46
48#include "EpetraExt_MultiComm.h"
51#include "Teuchos_ParameterList.hpp"
52#include "EpetraExt_BlockCrsMatrix.h"
53#include <vector>
54
55namespace Stokhos {
56
65 public Stokhos::SGOperator,
66 public EpetraExt::BlockCrsMatrix {
67
68 public:
69
72 const Teuchos::RCP<const EpetraExt::MultiComm>& sg_comm,
73 const Teuchos::RCP<const Stokhos::OrthogPolyBasis<int,double> >& sg_basis,
74 const Teuchos::RCP<const Stokhos::EpetraSparse3Tensor>& epetraCijk,
75 const Teuchos::RCP<const Epetra_CrsGraph>& base_graph,
76 const Teuchos::RCP<Teuchos::ParameterList>& params);
77
79 virtual ~InterlacedOperator();
80
83
85 virtual void setupOperator(
86 const Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly >& poly);
87
89 virtual Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly >
91
93 virtual Teuchos::RCP<const Stokhos::EpetraOperatorOrthogPoly >
94 getSGPolynomial() const;
95
97
99 void SumIntoGlobalBlock_Deterministic(double alpha,const Epetra_RowMatrix & determBlock,int Row,int Col);
100
101 private:
102
105
108
109 protected:
110
112 Teuchos::RCP<const EpetraExt::MultiComm> sg_comm;
113
115 Teuchos::RCP<const Stokhos::OrthogPolyBasis<int,double> > sg_basis;
116
118 Teuchos::RCP<const Stokhos::EpetraSparse3Tensor> epetraCijk;
119
122
124 Teuchos::RCP<const Cijk_type> Cijk;
125
127 Teuchos::RCP<Stokhos::EpetraOperatorOrthogPoly > block_ops;
128
131
134
137
139
140 }; // class InterlacedOperator
141
142} // namespace Stokhos
143
144#endif // STOKHOS_INTERLACED_OPERATOR_HPP
An Epetra operator representing the block stochastic Galerkin operator generated by fully assembling ...
Teuchos::RCP< const EpetraExt::MultiComm > sg_comm
Stores SG parallel communicator.
Stokhos::Sparse3Tensor< int, double > Cijk_type
Short-hand for Cijk.
Teuchos::RCP< const Cijk_type > Cijk
Stores triple product tensor.
bool scale_op
Flag indicating whether operator be scaled with <\psi_i^2>
Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > block_ops
Stores operators.
Teuchos::RCP< const Stokhos::OrthogPolyBasis< int, double > > sg_basis
Stochastic Galerking basis.
Teuchos::RCP< const Stokhos::EpetraSparse3Tensor > epetraCijk
Stores Epetra Cijk tensor.
void SumIntoGlobalBlock_Deterministic(double alpha, const Epetra_RowMatrix &determBlock, int Row, int Col)
Sum into global matrix.
InterlacedOperator(const InterlacedOperator &)
Private to prohibit copying.
virtual void setupOperator(const Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > &poly)
Setup operator.
virtual Teuchos::RCP< Stokhos::EpetraOperatorOrthogPoly > getSGPolynomial()
Get SG polynomial.
InterlacedOperator(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_CrsGraph > &base_graph, const Teuchos::RCP< Teuchos::ParameterList > &params)
Constructor.
InterlacedOperator & operator=(const InterlacedOperator &)
Private to prohibit copying.
bool only_use_linear
Flag indicating whether to only use linear terms.
bool include_mean
Flag indicating whether to include mean term.
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.
Top-level namespace for Stokhos classes and functions.