Thyra_EpetraOperatorWrapper.hpp

// @HEADER
// *****************************************************************************
//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//
// Copyright 2004 NTESS and the Thyra contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
 
#ifndef THYRA_EPETRA_OPERATOR_WRAPPER_HPP
#define THYRA_EPETRA_OPERATOR_WRAPPER_HPP
 
#include "Thyra_LinearOpBase.hpp"
#include "Epetra_Map.h"
#include "Epetra_Comm.h"
#include "Epetra_MultiVector.h"
#include "Epetra_Operator.h"
 
 
namespace Thyra {
 
 
class EpetraOperatorWrapper : public Epetra_Operator
{
public:
 
 
  EpetraOperatorWrapper(const RCP<const LinearOpBase<double> > &thyraOp);
 
  RCP<const LinearOpBase<double> > getThyraOp() const
  {
    return thyraOp_;
  }
 
  void copyEpetraIntoThyra(const Epetra_MultiVector &x,
    const Ptr<VectorBase<double> > &thyraVec) const;
 
  void copyThyraIntoEpetra(const VectorBase<double> &thyraVec,
    Epetra_MultiVector &x) const;
 
 
 
  int SetUseTranspose(bool UseTranspose_in)
    {
      useTranspose_ = UseTranspose_in;
      return 0;
    }
 
  int Apply(const Epetra_MultiVector& X, Epetra_MultiVector& Y) const ;
 
  int ApplyInverse(const Epetra_MultiVector& X, Epetra_MultiVector& Y) const ;
 
  double NormInf() const ;
 
  const char* Label() const {return label_.c_str();}
 
  bool UseTranspose() const {return useTranspose_;}
 
  bool HasNormInf() const {return false;}
    
  const Epetra_Comm& Comm() const {return *comm_;}
 
  const Epetra_Map& OperatorDomainMap() const {return *domainMap_;}
 
  const Epetra_Map& OperatorRangeMap() const {return *rangeMap_;}
 
 
private:
 
  bool useTranspose_;
  RCP<const LinearOpBase<double> > thyraOp_;
  RCP<const VectorSpaceBase<double> > range_;
  RCP<const VectorSpaceBase<double> > domain_;
  RCP<const Epetra_Comm> comm_;
  RCP<const Epetra_Map> rangeMap_;
  RCP<const Epetra_Map> domainMap_;
 
  std::string label_;
 
  static RCP<const Epetra_Comm> getEpetraComm(const LinearOpBase<double>& thyraOp);
 
};
 
 
RCP<const LinearOpBase<double> > 
makeEpetraWrapper(const RCP<const LinearOpBase<double> > &thyraOp);
 
 
}  // namespace Thyra
 
 
#endif // THYRA_EPETRA_OPERATOR_WRAPPER_HPP
 
#if defined(Thyra_SHOW_DEPRECATED_WARNINGS)
#ifdef __GNUC__
#warning "The ThyraEpetraAdapters package is deprecated"
#endif
#endif