Thyra_DiagonalLinearOpBase.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_DIAGONAL_LINEAR_OP_BASE_HPP
#define THYRA_DIAGONAL_LINEAR_OP_BASE_HPP

#include "Thyra_LinearOpBase.hpp"

namespace Thyra {

template<class Scalar>
class DiagonalLinearOpBase : virtual public LinearOpBase<Scalar> {
public:


  virtual bool isDiagConst() const = 0;

  virtual Teuchos::RCP<VectorBase<Scalar> > getNonconstDiag() = 0;

  virtual Teuchos::RCP<const VectorBase<Scalar> > getDiag() const = 0;


};

} // end namespace Thyra

#endif  // THYRA_DIAGONAL_LINEAR_OP_BASE_HPP