Thyra_SingleScalarLinearOpBaseDecl.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_SINGLE_SCALAR_LINEAR_OP_BASE_DECL_HPP
#define THYRA_SINGLE_SCALAR_LINEAR_OP_BASE_DECL_HPP

#include "Thyra_LinearOpDefaultBaseDecl.hpp"

namespace Thyra {

template<class Scalar>
class SingleScalarLinearOpBase : virtual public LinearOpDefaultBase<Scalar> {
public:

#ifdef THYRA_INJECT_USING_DECLARATIONS
  using LinearOpDefaultBase<Scalar>::apply;
#endif


  bool applySupports( const EConj conj ) const;
  bool applyTransposeSupports( const EConj conj ) const;
  void apply(
    const EConj                       conj
    ,const MultiVectorBase<Scalar>    &X
    ,MultiVectorBase<Scalar>          *Y
    ,const Scalar                     alpha
    ,const Scalar                     beta
    ) const;
  void applyTranspose(
    const EConj                       conj
    ,const MultiVectorBase<Scalar>    &X
    ,MultiVectorBase<Scalar>          *Y
    ,const Scalar                     alpha
    ,const Scalar                     beta
    ) const;


protected:


  virtual bool opSupported(EOpTransp M_trans) const = 0;

  virtual void apply(
    const EOpTransp M_trans,
    const MultiVectorBase<Scalar> &X,
    MultiVectorBase<Scalar> *Y,
    const Scalar alpha,
    const Scalar beta
    ) const = 0;


};  // end class SingleScalarLinearOpBase

} // end namespace Thyra

#endif  // THYRA_SINGLE_SCALAR_LINEAR_OP_BASE_DECL_HPP

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