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Thyra_EpetraOperatorWrapper.hpp
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4// Thyra: Interfaces and Support for Abstract Numerical Algorithms
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41
42#ifndef THYRA_EPETRA_OPERATOR_WRAPPER_HPP
43#define THYRA_EPETRA_OPERATOR_WRAPPER_HPP
44
45#include "Thyra_LinearOpBase.hpp"
46#include "Epetra_Map.h"
47#include "Epetra_Comm.h"
48#include "Epetra_MultiVector.h"
49#include "Epetra_Operator.h"
50
51
52namespace Thyra {
53
54
64{
65public:
66
69
71 EpetraOperatorWrapper(const RCP<const LinearOpBase<double> > &thyraOp);
72
75 {
76 return thyraOp_;
77 }
78
81 const Ptr<VectorBase<double> > &thyraVec) const;
82
84 void copyThyraIntoEpetra(const VectorBase<double> &thyraVec,
85 Epetra_MultiVector &x) const;
86
88
91
93 int SetUseTranspose(bool UseTranspose_in)
94 {
95 useTranspose_ = UseTranspose_in;
96 return 0;
97 }
98
100 int Apply(const Epetra_MultiVector& X, Epetra_MultiVector& Y) const ;
101
103 int ApplyInverse(const Epetra_MultiVector& X, Epetra_MultiVector& Y) const ;
104
106 double NormInf() const ;
107
109 const char* Label() const {return label_.c_str();}
110
112 bool UseTranspose() const {return useTranspose_;}
113
115 bool HasNormInf() const {return false;}
116
118 const Epetra_Comm& Comm() const {return *comm_;}
119
121 const Epetra_Map& OperatorDomainMap() const {return *domainMap_;}
122
124 const Epetra_Map& OperatorRangeMap() const {return *rangeMap_;}
125
127
128private:
129
130 bool useTranspose_;
135 RCP<const Epetra_Map> rangeMap_;
136 RCP<const Epetra_Map> domainMap_;
137
138 std::string label_;
139
140 static RCP<const Epetra_Comm> getEpetraComm(const LinearOpBase<double>& thyraOp);
141
142};
143
144
153RCP<const LinearOpBase<double> >
155
156
157} // namespace Thyra
158
159
160#endif // THYRA_EPETRA_OPERATOR_WRAPPER_HPP
Implements the Epetra_Operator interface with a Thyra LinearOperator.
void copyEpetraIntoThyra(const Epetra_MultiVector &x, const Ptr< VectorBase< double > > &thyraVec) const
const Epetra_Map & OperatorRangeMap() const
int SetUseTranspose(bool UseTranspose_in)
int ApplyInverse(const Epetra_MultiVector &X, Epetra_MultiVector &Y) const
const Epetra_Map & OperatorDomainMap() const
RCP< const LinearOpBase< double > > makeEpetraWrapper(const RCP< const LinearOpBase< double > > &thyraOp)
Wrap a Thyra operator in the Epetra_Operator interface, and then wrap it again in a Thyra operator in...
RCP< const LinearOpBase< double > > getThyraOp() const
void copyThyraIntoEpetra(const VectorBase< double > &thyraVec, Epetra_MultiVector &x) const
int Apply(const Epetra_MultiVector &X, Epetra_MultiVector &Y) const
Base class for all linear operators.
Abstract interface for finite-dimensional dense vectors.