Thyra_LinearOpTransformerBase.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_LINEAR_OP_TRANSFORMER_BASE_HPP
#define THYRA_LINEAR_OP_TRANSFORMER_BASE_HPP


#include "Thyra_LinearOpBase.hpp"
#include "Teuchos_VerboseObject.hpp"


namespace Thyra {


template<class Scalar>
class LinearOpTransformerBase
  : virtual public Teuchos::Describable,
    virtual public Teuchos::VerboseObject<LinearOpTransformerBase<Scalar> >
{
public:

  virtual bool isCompatible(const LinearOpBase<Scalar> &op_in) const = 0;

  virtual RCP<LinearOpBase<Scalar> > createOutputOp() const = 0;

  virtual void transform(
    const LinearOpBase<Scalar> &op_in,
    const Ptr<LinearOpBase<Scalar> > &op_inout
    ) const = 0;

};


} // namespace Thyra


#endif  // THYRA_LINEAR_OP_TRANSFORMER_BASE_HPP