Thyra_MPILinearOpBaseDecl.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_MPI_LINEAR_OP_BASE_DECL_HPP
#define THYRA_MPI_LINEAR_OP_BASE_DECL_HPP

#include "Thyra_SingleScalarEuclideanLinearOpBaseDecl.hpp"
#include "Teuchos_StandardMemberCompositionMacros.hpp"

namespace Thyra {

template<class Scalar> class MPIVectorSpaceBase;

template<class Scalar>
class MPILinearOpBase : virtual public SingleScalarEuclideanLinearOpBase<Scalar> {
public:

  using SingleScalarEuclideanLinearOpBase<Scalar>::euclideanApply;

  Teuchos::RefCountPtr<const ScalarProdVectorSpaceBase<Scalar> > rangeScalarProdVecSpc() const;
  Teuchos::RefCountPtr<const ScalarProdVectorSpaceBase<Scalar> > domainScalarProdVecSpc() const;
  void euclideanApply(
    const ETransp                     M_trans
    ,const MultiVectorBase<Scalar>    &X
    ,MultiVectorBase<Scalar>          *Y
    ,const Scalar                     alpha
    ,const Scalar                     beta
    ) const;

protected:


  STANDARD_MEMBER_COMPOSITION_MEMBERS( bool, forceUnitStride )

  
  MPILinearOpBase();

  virtual void setSpaces(
    const Teuchos::RefCountPtr<const MPIVectorSpaceBase<Scalar> >      &range
    ,const Teuchos::RefCountPtr<const MPIVectorSpaceBase<Scalar> >     &domain
    );

  virtual void setLocalDimensions(
    MPI_Comm                                                    mpiComm 
    ,const Index                                                localDimRange
    ,const Index                                                localDimDomain
    );



  virtual void euclideanApply(
    const ETransp                                M_trans
    ,const RTOpPack::SubVectorT<Scalar>          &local_x
    ,const RTOpPack::MutableSubVectorT<Scalar>   *local_y
    ,const Scalar                                alpha
    ,const Scalar                                beta
    ) const = 0;

  virtual void euclideanApply(
    const ETransp                                     M_trans
    ,const RTOpPack::SubMultiVectorT<Scalar>          &local_X
    ,const RTOpPack::MutableSubMultiVectorT<Scalar>   *local_Y
    ,const Scalar                                     alpha
    ,const Scalar                                     beta
    ) const;


private:

  Teuchos::RefCountPtr<const MPIVectorSpaceBase<Scalar> >    range_;
  Teuchos::RefCountPtr<const MPIVectorSpaceBase<Scalar> >    domain_;

};  // end class LinearOpBase

} // end namespace Thyra

#endif  // THYRA_MPI_LINEAR_OP_BASE_DECL_HPP

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