Teko_InverseFactoryOperator.hpp

// @HEADER
// *****************************************************************************
//      Teko: A package for block and physics based preconditioning
//
// Copyright 2010 NTESS and the Teko contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef __Teko_InverseFactoryOperator_hpp__
#define __Teko_InverseFactoryOperator_hpp__

#include "Teuchos_ConstNonconstObjectContainer.hpp"

#include "Teko_InverseFactory.hpp"
#include "Teko_EpetraInverseOpWrapper.hpp"

namespace Teko {
namespace Epetra {

class InverseFactoryOperator : public EpetraInverseOpWrapper {
 public:
  InverseFactoryOperator(const Teuchos::RCP<const InverseFactory> &bfp);

  virtual void initInverse(bool clearOld = false);

  virtual void buildInverseOperator(const Teuchos::RCP<const Epetra_Operator> &A,
                                    bool clear = true);

  virtual void buildInverseOperator(const Teuchos::RCP<Epetra_Operator> &A, bool clear = true);

  virtual void rebuildInverseOperator(const Teuchos::RCP<const Epetra_Operator> &A);

  virtual void rebuildInverseOperator(const Teuchos::RCP<Epetra_Operator> &A);

  Teuchos::RCP<const Epetra_Operator> getForwardOp() const { return fwdOp_.getConstObj(); }

  Teuchos::RCP<Epetra_Operator> getNonconstForwardOp() const { return fwdOp_.getNonconstObj(); }

 protected:
  Teuchos::RCP<const Thyra::LinearOpBase<double> > extractLinearOp(
      const Teuchos::RCP<const Epetra_Operator> &A) const;
  Teuchos::RCP<const MappingStrategy> extractMappingStrategy(
      const Teuchos::RCP<const Epetra_Operator> &A) const;

  InverseFactoryOperator();
  InverseFactoryOperator(const InverseFactoryOperator &);

  Teuchos::RCP<const Teko::InverseFactory> inverseFactory_;
  Teko::ModifiableLinearOp invOperator_;
  bool firstBuildComplete_;

  Teuchos::ConstNonconstObjectContainer<Epetra_Operator> fwdOp_;
  bool setConstFwdOp_;
};

}  // end namespace Epetra
}  // end namespace Teko

#endif