Thyra_DefaultAdjointLinearOpWithSolve_decl.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_DEFAULT_ADJOINT_LINEAR_OP_WITH_SOLVE_DECL_HPP
#define THYRA_DEFAULT_ADJOINT_LINEAR_OP_WITH_SOLVE_DECL_HPP


#include "Thyra_LinearOpWithSolveBase.hpp"
#include "Teuchos_ConstNonconstObjectContainer.hpp"


namespace Thyra {


template<class Scalar>
class DefaultAdjointLinearOpWithSolve : virtual public LinearOpWithSolveBase<Scalar>
{
public:


  DefaultAdjointLinearOpWithSolve();

  void initialize( const RCP<LinearOpWithSolveBase<Scalar> > &lows,
    const EOpTransp transp );

  void initialize( const RCP<const LinearOpWithSolveBase<Scalar> > &lows,
    const EOpTransp transp );

  const RCP<LinearOpWithSolveBase<Scalar> > getNonconstOp();

  const RCP<const LinearOpWithSolveBase<Scalar> > getOp() const;



  RCP<const VectorSpaceBase<Scalar> > range() const;
  RCP<const VectorSpaceBase<Scalar> > domain() const;


protected:
  
  bool opSupportedImpl(EOpTransp M_trans) const;
 void applyImpl(
   const EOpTransp M_trans,
   const MultiVectorBase<Scalar> &X,
   const Ptr<MultiVectorBase<Scalar> > &Y,
   const Scalar alpha,
   const Scalar beta
   ) const;

  bool solveSupportsImpl(EOpTransp M_trans) const;
  bool solveSupportsSolveMeasureTypeImpl(
    EOpTransp M_trans, const SolveMeasureType& solveMeasureType) const;
  SolveStatus<Scalar> solveImpl(
    const EOpTransp transp,
    const MultiVectorBase<Scalar> &B,
    const Ptr<MultiVectorBase<Scalar> > &X,
    const Ptr<const SolveCriteria<Scalar> > solveCriteria
    ) const;

private:

  // //////////////////////////
  // Private types

  typedef Teuchos::ConstNonconstObjectContainer<LinearOpWithSolveBase<Scalar> >
  CNCLOWS;

  // /////////////////////////
  // Private data members

  CNCLOWS lows_;
  EOpTransp transp_;

};


template<class Scalar>
RCP<DefaultAdjointLinearOpWithSolve<Scalar> >
defaultAdjointLinearOpWithSolve(
  const RCP<const LinearOpWithSolveBase<Scalar> > &lows,
  const EOpTransp transp )
{
  RCP<DefaultAdjointLinearOpWithSolve<Scalar> >
    dalows = Teuchos::rcp(new DefaultAdjointLinearOpWithSolve<Scalar>);
  dalows->initialize(lows, transp);
  return dalows;
}


template<class Scalar>
RCP<DefaultAdjointLinearOpWithSolve<Scalar> >
defaultAdjointLinearOpWithSolveNonconst(
  const RCP<LinearOpWithSolveBase<Scalar> > &lows,
  const EOpTransp transp )
{
  RCP<DefaultAdjointLinearOpWithSolve<Scalar> >
    dalows = Teuchos::rcp(new DefaultAdjointLinearOpWithSolve<Scalar>);
  dalows->initialize(lows, transp);
  return dalows;
}


template<class Scalar>
RCP<const LinearOpWithSolveBase<Scalar> >
adjointLows( const RCP<const LinearOpWithSolveBase<Scalar> > &lows )
{
  return defaultAdjointLinearOpWithSolve<Scalar>(lows, CONJTRANS);
}


template<class Scalar>
RCP<LinearOpWithSolveBase<Scalar> >
nonconstAdjointLows( const RCP<LinearOpWithSolveBase<Scalar> > &lows )
{
  return defaultAdjointLinearOpWithSolveNonconst<Scalar>(lows, CONJTRANS);
}



} // end namespace Thyra


#endif  // THYRA_DEFAULT_ADJOINT_LINEAR_OP_WITH_SOLVE_DECL_HPP