Thyra_DefaultMultiVectorLinearOpWithSolve_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_MULTI_VECTOR_LINEAR_OP_WITH_SOLVE_DECL_HPP
#define THYRA_MULTI_VECTOR_LINEAR_OP_WITH_SOLVE_DECL_HPP


#include "Thyra_LinearOpWithSolveBase.hpp"
#include "Thyra_DefaultDiagonalLinearOp.hpp"
#include "Thyra_LinearOpWithSolveBase.hpp"
#include "Thyra_DefaultMultiVectorProductVectorSpace.hpp"
#include "Teuchos_ConstNonconstObjectContainer.hpp"


namespace Thyra {


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


  DefaultMultiVectorLinearOpWithSolve();

  void nonconstInitialize(
    const RCP<LinearOpWithSolveBase<Scalar> > &lows,
    const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecRange,
    const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecDomain
    );

  void initialize(
    const RCP<const LinearOpWithSolveBase<Scalar> > &lows,
    const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecRange,
    const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecDomain
    );
  
  RCP<LinearOpWithSolveBase<Scalar> >
  getNonconstLinearOpWithSolve();
  
  RCP<const LinearOpWithSolveBase<Scalar> >
  getLinearOpWithSolve() const;

  // 2007/05/24: rabartl: ToDo: Add a const version of the above function once
  // needed

  void uninitialize();



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

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

  RCP<const LinearOpBase<Scalar> > clone() 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> > CNLOWS;

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

  CNLOWS lows_;
  RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > multiVecRange_;
  RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > multiVecDomain_;

  // //////////////////////////////
  // Private member functions

  static void validateInitialize(
    const RCP<const LinearOpWithSolveBase<Scalar> > &lows,
    const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecRange,
    const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecDomain
    );
  

};


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


template<class Scalar>
RCP<DefaultMultiVectorLinearOpWithSolve<Scalar> >
nonconstMultiVectorLinearOpWithSolve(
  const RCP<LinearOpWithSolveBase<Scalar> > &lows,
  const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecRange,
  const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecDomain
  )
{
  RCP<DefaultMultiVectorLinearOpWithSolve<Scalar> >
    mvlows = Teuchos::rcp(new DefaultMultiVectorLinearOpWithSolve<Scalar>());
  mvlows->nonconstInitialize(lows,multiVecRange,multiVecDomain);
  return mvlows;
}


template<class Scalar>
RCP<DefaultMultiVectorLinearOpWithSolve<Scalar> >
multiVectorLinearOpWithSolve(
  const RCP<const LinearOpWithSolveBase<Scalar> > &lows,
  const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecRange,
  const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecDomain
  )
{
  RCP<DefaultMultiVectorLinearOpWithSolve<Scalar> >
    mvlows = Teuchos::rcp(new DefaultMultiVectorLinearOpWithSolve<Scalar>());
  mvlows->initialize(lows,multiVecRange,multiVecDomain);
  return mvlows;
}


} // end namespace Thyra


#endif  // THYRA_MULTI_VECTOR_LINEAR_OP_WITH_SOLVE_DECL_HPP