Thyra_DefaultDiagonalLinearOpWithSolve_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_DIAGONAL_LINEAR_OP_WITH_SOLVE_DECL_HPP
#define THYRA_DIAGONAL_LINEAR_OP_WITH_SOLVE_DECL_HPP

#include "Thyra_DefaultDiagonalLinearOp.hpp"
#include "Thyra_LinearOpWithSolveBase.hpp"


namespace Thyra {


template<class Scalar>
class DefaultDiagonalLinearOpWithSolve
  : virtual public DefaultDiagonalLinearOp<Scalar>,
    virtual public LinearOpWithSolveBase<Scalar>
{
public:


  DefaultDiagonalLinearOpWithSolve();

  DefaultDiagonalLinearOpWithSolve(
    const RCP<const VectorBase<Scalar> >   &diag
    );

protected:

  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;

};


template<class Scalar>
RCP<DefaultDiagonalLinearOpWithSolve<Scalar> >
defaultDiagonalLinearOpWithSolve()
{
  return Teuchos::rcp(new DefaultDiagonalLinearOpWithSolve<Scalar>);
}


template<class Scalar>
RCP<DefaultDiagonalLinearOpWithSolve<Scalar> >
defaultDiagonalLinearOpWithSolve(
  const RCP<const VectorBase<Scalar> >   &diag
  )
{
  RCP<DefaultDiagonalLinearOpWithSolve<Scalar> > ddlows =
    defaultDiagonalLinearOpWithSolve<Scalar>();
  ddlows->initialize(diag);
  return ddlows;
}



} // end namespace Thyra


#endif  // THYRA_DIAGONAL_LINEAR_OP_WITH_SOLVE_DECL_HPP