Epetra_TsqrMessenger.hpp

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// @HEADER
// *****************************************************************************
//          Tpetra: Templated Linear Algebra Services Package
//
// Copyright 2008 NTESS and the Tpetra contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER


#ifndef EPETRA_TSQRMESSENGER_HPP
#define EPETRA_TSQRMESSENGER_HPP

#include <Tpetra_ConfigDefs.hpp>

#if !defined(TPETRA_ENABLE_DEPRECATED_CODE)
#error This file is deprecated due to Epetra removal and will be removed
#endif

#if defined(TPETRA_ENABLE_DEPRECATED_CODE) && defined(HAVE_TPETRA_EPETRA) && defined(HAVE_TPETRA_TSQR)

// Include Epetra's MPI wrappers.
#include <Epetra_Comm.h>

// Include Teuchos' MPI wrappers.
#include <Teuchos_Comm.hpp>

#include <Teuchos_RCP.hpp>
#include <Tsqr_TeuchosMessenger.hpp>

namespace TSQR {
namespace Epetra {

TPETRA_DEPRECATED_MSG("epetra removal")
Teuchos::RCP<const Teuchos::Comm<int> >
extractTeuchosComm(const Teuchos::RCP<const Epetra_Comm>& epetraComm);

template <class Datum>
TPETRA_DEPRECATED_MSG("epetra removal")
Teuchos::RCP<TSQR::MessengerBase<Datum> > makeTsqrMessenger(const Teuchos::RCP<const Epetra_Comm>& pComm) {
  typedef TSQR::MessengerBase<Datum> base_mess_type;
  typedef TSQR::TeuchosMessenger<Datum> mess_type;

  Teuchos::RCP<mess_type> pMess =
      Teuchos::rcp(new mess_type(extractTeuchosComm(pComm)));
  return Teuchos::rcp_implicit_cast<base_mess_type>(pMess);
}
}  // namespace Epetra
}  // namespace TSQR

#endif  // defined(TPETRA_ENABLE_DEPRECATED_CODE) && defined(HAVE_TPETRA_EPETRA) && defined(HAVE_TPETRA_TSQR)

#endif  // EPETRA_TSQRMESSENGER_HPP