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Stokhos_FullyAssembledPreconditioner.cpp
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41
44
47 const Teuchos::RCP<Stokhos::AbstractPreconditionerFactory>& prec_factory_,
48 const Teuchos::RCP<Teuchos::ParameterList>& params_) :
49 label("Stokhos Fully Assembled Preconditioner"),
50 prec_factory(prec_factory_),
51 prec()
52{
53}
54
57{
58}
59
60void
62setupPreconditioner(const Teuchos::RCP<Stokhos::SGOperator>& sg_op,
63 const Epetra_Vector& x)
64{
65
66 Teuchos::RCP<Stokhos::FullyAssembledOperator > fa_op =
67 Teuchos::rcp_dynamic_cast<Stokhos::FullyAssembledOperator>(sg_op, true);
68 prec = prec_factory->compute(Teuchos::rcp_dynamic_cast<Epetra_CrsMatrix>(fa_op));
69 label = std::string("Stokhos Fully Assembled Preconditioner:\n") +
70 std::string(" ***** ") +
71 std::string(prec->Label());
72}
73
74int
76SetUseTranspose(bool UseTheTranspose)
77{
78 return prec->SetUseTranspose(UseTheTranspose);
79}
80
81int
83Apply(const Epetra_MultiVector& Input, Epetra_MultiVector& Result) const
84{
85 return prec->Apply(Input, Result);
86}
87
88int
90ApplyInverse(const Epetra_MultiVector& Input, Epetra_MultiVector& Result) const
91{
92 return prec->ApplyInverse(Input, Result);
93}
94
95double
97NormInf() const
98{
99 return prec->NormInf();
100}
101
102
103const char*
105Label () const
106{
107 return const_cast<char*>(label.c_str());
108}
109
110bool
112UseTranspose() const
113{
114 return prec->UseTranspose();
115}
116
117bool
119HasNormInf() const
120{
121 return prec->HasNormInf();
122}
123
124const Epetra_Comm &
126Comm() const
127{
128 return prec->Comm();
129}
130const Epetra_Map&
132OperatorDomainMap() const
133{
134 return prec->OperatorDomainMap();
135}
136
137const Epetra_Map&
139OperatorRangeMap() const
140{
141 return prec->OperatorRangeMap();
142}
virtual int SetUseTranspose(bool UseTranspose)
Set to true if the transpose of the operator is requested.
virtual double NormInf() const
Returns an approximate infinity norm of the operator matrix.
virtual bool HasNormInf() const
Returns true if the this object can provide an approximate Inf-norm, false otherwise.
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 void setupPreconditioner(const Teuchos::RCP< Stokhos::SGOperator > &sg_op, const Epetra_Vector &x)
Setup preconditioner.
virtual const Epetra_Map & OperatorRangeMap() const
Returns the Epetra_Map object associated with the range of this matrix operator.
virtual const char * Label() const
Returns a character string describing the operator.
virtual const Epetra_Map & OperatorDomainMap() const
Returns the Epetra_Map object associated with the domain of this matrix operator.
FullyAssembledPreconditioner(const Teuchos::RCP< Stokhos::AbstractPreconditionerFactory > &prec_factory, const Teuchos::RCP< Teuchos::ParameterList > &params=Teuchos::null)
Constructor.
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 ...
virtual bool UseTranspose() const
Returns the current UseTranspose setting.
virtual const Epetra_Comm & Comm() const
Returns a reference to the Epetra_Comm communicator associated with this operator.