Thyra_LinearOpScalarProd_decl.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_SCALAR_PROD_DECL_HPP
#define THYRA_LINEAR_OP_SCALAR_PROD_DECL_HPP


#include "Thyra_ScalarProdBase_decl.hpp"


namespace Thyra {

template<class Scalar>
class LinearOpScalarProd : public ScalarProdBase<Scalar> {
public:


  LinearOpScalarProd();

  LinearOpScalarProd( const RCP<const LinearOpBase<Scalar> > &op );

  void initialize( const RCP<const LinearOpBase<Scalar> > &op );

  const RCP<const LinearOpBase<Scalar> >& op() const;

  void uninitialize(
    const Ptr<RCP<const LinearOpBase<Scalar> > > &op = Teuchos::null );


protected:
  

  virtual bool isEuclideanImpl() const;

  void scalarProdsImpl(
    const MultiVectorBase<Scalar>& X, const MultiVectorBase<Scalar>& Y,
    const ArrayView<Scalar> &scalarProds_out
    ) const;

  RCP<const LinearOpBase<Scalar> > getLinearOpImpl() const;


private:

  RCP<const LinearOpBase<Scalar> >  op_;

};


// //////////////////////////////////
// Inline members


template<class Scalar>
inline
const RCP<const LinearOpBase<Scalar> >& LinearOpScalarProd<Scalar>::op() const
{
  return op_;
}


} // end namespace Thyra


#endif  // THYRA_LINEAR_OP_SCALAR_PROD_DECL_HPP