Thyra_XpetraLinearOp_decl.hpp

Go to the documentation of this file.

// @HEADER
//
// ***********************************************************************
//
//        MueLu: A package for multigrid based preconditioning
//                  Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact
//                    Jonathan Hu       (jhu@sandia.gov)
//                    Andrey Prokopenko (aprokop@sandia.gov)
//                    Ray Tuminaro      (rstumin@sandia.gov)
//                    Tobias Wiesner    (tawiesn@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
#ifndef THYRA_XPETRA_LINEAR_OP_DECL_HPP
#define THYRA_XPETRA_LINEAR_OP_DECL_HPP
 
#include "Thyra_LinearOpDefaultBase.hpp"
#include "Xpetra_Operator.hpp"
#include "Teuchos_ConstNonconstObjectContainer.hpp"
 
 
namespace Thyra {
 
 
template <class Scalar, class LocalOrdinal, class GlobalOrdinal=LocalOrdinal,
  class Node=KokkosClassic::DefaultNode::DefaultNodeType>
class XpetraLinearOp
  : virtual public Thyra::LinearOpDefaultBase<Scalar>
{
public:
 
 
  XpetraLinearOp();
 
  void initialize(
    const RCP<const VectorSpaceBase<Scalar> > &rangeSpace,
    const RCP<const VectorSpaceBase<Scalar> > &domainSpace,
    const RCP<Xpetra::Operator<Scalar,LocalOrdinal,GlobalOrdinal,Node> > &xpetraOperator
    );
 
  void constInitialize(
    const RCP<const VectorSpaceBase<Scalar> > &rangeSpace,
    const RCP<const VectorSpaceBase<Scalar> > &domainSpace,
    const RCP<const Xpetra::Operator<Scalar,LocalOrdinal,GlobalOrdinal,Node> > &xpetraOperator
    );
 
  RCP<Xpetra::Operator<Scalar,LocalOrdinal,GlobalOrdinal,Node> >
  getXpetraOperator();
 
  RCP<const Xpetra::Operator<Scalar,LocalOrdinal,GlobalOrdinal,Node> >
  getConstXpetraOperator() const;
 
 
 
  RCP<const Thyra::VectorSpaceBase<Scalar> > range() const;
 
  RCP<const Thyra::VectorSpaceBase<Scalar> > domain() const;
 
 
protected:
 
 
  bool opSupportedImpl(Thyra::EOpTransp M_trans) const;
 
  void applyImpl(
    const Thyra::EOpTransp M_trans,
    const Thyra::MultiVectorBase<Scalar> &X_in,
    const Teuchos::Ptr<Thyra::MultiVectorBase<Scalar> > &Y_inout,
    const Scalar alpha,
    const Scalar beta
    ) const;
 
 
private:
 
  RCP<const VectorSpaceBase<Scalar> >
  rangeSpace_;
 
  RCP<const VectorSpaceBase<Scalar> >
  domainSpace_;
 
  Teuchos::ConstNonconstObjectContainer<Xpetra::Operator<Scalar,LocalOrdinal,GlobalOrdinal,Node> >
  xpetraOperator_;
 
  template<class XpetraOperator_t>
  void initializeImpl(
    const RCP<const VectorSpaceBase<Scalar> > &rangeSpace,
    const RCP<const VectorSpaceBase<Scalar> > &domainSpace,
    const RCP<XpetraOperator_t> &xpetraOperator
  );
 
};
 
 
template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
RCP<XpetraLinearOp<Scalar, LocalOrdinal, GlobalOrdinal, Node> >
xpetraLinearOp(
  const RCP<const VectorSpaceBase<Scalar> > &rangeSpace,
  const RCP<const VectorSpaceBase<Scalar> > &domainSpace,
  const RCP<Xpetra::Operator<Scalar,LocalOrdinal,GlobalOrdinal,Node> > &xpetraOperator
  )
{
  const RCP<XpetraLinearOp<Scalar, LocalOrdinal, GlobalOrdinal, Node> > op =
    Teuchos::rcp(new XpetraLinearOp<Scalar, LocalOrdinal, GlobalOrdinal, Node>);
  op->initialize(rangeSpace, domainSpace, xpetraOperator);
  return op;
}
 
 
template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
RCP<const XpetraLinearOp<Scalar, LocalOrdinal, GlobalOrdinal, Node> >
constXpetraLinearOp(
  const RCP<const VectorSpaceBase<Scalar> > &rangeSpace,
  const RCP<const VectorSpaceBase<Scalar> > &domainSpace,
  const RCP<const Xpetra::Operator<Scalar,LocalOrdinal,GlobalOrdinal,Node> > &xpetraOperator
  )
{
  const RCP<XpetraLinearOp<Scalar, LocalOrdinal, GlobalOrdinal, Node> > op =
    Teuchos::rcp(new XpetraLinearOp<Scalar, LocalOrdinal, GlobalOrdinal, Node>);
  op->constInitialize(rangeSpace, domainSpace, xpetraOperator);
  return op;
}
 
}  // namespace Thyra
 
#endif // THYRA_XPETRA_LINEAR_OP_DECL_HPP