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// ***********************************************************************
//
// Thyra: Interfaces and Support for Abstract Numerical Algorithms
// Copyright (2004) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef THYRA_DEFUALT_LINEAR_OP_SOURCE_DECL_HPP
#define THYRA_DEFUALT_LINEAR_OP_SOURCE_DECL_HPP
#include "Thyra_LinearOpSourceBase.hpp"
#include "Teuchos_ConstNonconstObjectContainer.hpp"
namespace Thyra {
/** \brief Default implementation of a <tt>LinearOpSourceBase</tt> that just
* accepts and gives up a single linear operator object.
*/
template<class Scalar>
class DefaultLinearOpSource : virtual public LinearOpSourceBase<Scalar>
{
public:
/** @name Constructors/initializers/accessors */
//@{
/** \brief Construct to uninitialized.
*/
DefaultLinearOpSource();
/** \brief Construct with a non-const linear operator.
*/
DefaultLinearOpSource(
const Teuchos::RCP<LinearOpBase<Scalar> > &op
);
/** \brief Construct with a const linear operator.
*/
DefaultLinearOpSource(
const Teuchos::RCP<const LinearOpBase<Scalar> > &op
);
/** \brief Initialize with a non-const linear operator.
*/
void initialize(
const Teuchos::RCP<LinearOpBase<Scalar> > &op
);
/** \brief Initialize with a const linear operator.
*/
void initialize(
const Teuchos::RCP<const LinearOpBase<Scalar> > &op
);
/** \brief Uninitialize.
*
* Note: If the client wants to access the underlying linear operator, then
* it had better grab them with the below access functions before calling
* this function.
*/
void uninitialize();
//@}
// ToDo: Override functions from Describable!
/** @name Overridden from LinearOpSourceBase */
//@{
/** \brief . */
bool isOpConst() const;
/** \brief . */
Teuchos::RCP<LinearOpBase<Scalar> > getNonconstOp();
/** \brief . */
Teuchos::RCP<const LinearOpBase<Scalar> > getOp() const;
//@}
private:
Teuchos::ConstNonconstObjectContainer<LinearOpBase<Scalar> > op_;
};
// //////////////////////////////
// Related functions
/** \brief Create a <tt>DefaultLinearOpSource</tt> object out of a
* <tt>LinearOpBase</tt> object.
*
* \relates DefaultLinearOpSource
*/
template <class Scalar>
Teuchos::RCP<const DefaultLinearOpSource<Scalar> >
defaultLinearOpSource(
const Teuchos::RCP<const LinearOpBase<Scalar> > &op
)
{
return Teuchos::rcp(new DefaultLinearOpSource<Scalar>(op));
}
} // namespace Thyra
#endif // THYRA_DEFUALT_LINEAR_OP_SOURCE_DECL_HPP
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