Thyra_DefaultMultiVectorLinearOpWithSolveDecl.hpp

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//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//                 Copyright (2004) Sandia Corporation
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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#ifndef THYRA_MULTI_VECTOR_LINEAR_OP_WITH_SOLVE_DECL_HPP
#define THYRA_MULTI_VECTOR_LINEAR_OP_WITH_SOLVE_DECL_HPP


#include "Thyra_DefaultDiagonalLinearOpDecl.hpp"
#include "Thyra_LinearOpWithSolveBaseDecl.hpp"
#include "Thyra_SingleRhsLinearOpWithSolveBaseDecl.hpp"
#include "Thyra_DefaultMultiVectorProductVectorSpaceDecl.hpp"
#include "Teuchos_ConstNonconstObjectContainer.hpp"


namespace Thyra {


template<class Scalar>
class DefaultMultiVectorLinearOpWithSolve
  : virtual public LinearOpWithSolveBase<Scalar>, // Public interface
    virtual protected SingleRhsLinearOpWithSolveBase<Scalar> // Implementation detail
    // 2007/05/24: rabartl: ToDo: We could derive this class just from
    // SingleScalarLinearOpWithSolveBase but then that would require that we
    // have a multi-vector form Thyra::MultiVectorProductMultiVector which
    // does not exist yet and is not needed at this point.
{
public:


  DefaultMultiVectorLinearOpWithSolve();

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

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

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

  void uninitialize();



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

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

  Teuchos::RCP<const LinearOpBase<Scalar> > clone() const;


protected:


  bool opSupported(ETransp M_trans) const;



  void apply(
    const ETransp M_trans,
    const VectorBase<Scalar> &x,
    VectorBase<Scalar> *y,
    const Scalar alpha,
    const Scalar beta
    ) const;



  bool solveSupportsTrans(ETransp M_trans) const;

  bool solveSupportsSolveMeasureType(
    ETransp M_trans, const SolveMeasureType& solveMeasureType
    ) const;



  SolveStatus<Scalar> solve(
    const ETransp M_trans,
    const VectorBase<Scalar> &b,
    VectorBase<Scalar> *x,
    const SolveCriteria<Scalar> *solveCriteria
    ) const;


private:

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

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

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

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

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

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

};


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


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


template<class Scalar>
Teuchos::RCP<DefaultMultiVectorLinearOpWithSolve<Scalar> >
multiVectorLinearOpWithSolve(
  const Teuchos::RCP<const LinearOpWithSolveBase<Scalar> > &lows,
  const Teuchos::RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecRange,
  const Teuchos::RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &multiVecDomain
  )
{
  Teuchos::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

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