Tpetra_Details_extractMpiCommFromTeuchos.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 TPETRA_DETAILS_EXTRACTMPICOMMFROMTEUCHOS_HPP
#define TPETRA_DETAILS_EXTRACTMPICOMMFROMTEUCHOS_HPP
 
 
#include "TpetraCore_config.h"
#ifdef HAVE_TPETRACORE_MPI
#include <mpi.h>  // MPI_Comm
#endif            // HAVE_TPETRACORE_MPI
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace Teuchos {
// forward declaration of Comm
template <class OrdinalType>
class Comm;
}  // namespace Teuchos
#endif  // NOT DOXYGEN_SHOULD_SKIP_THIS
 
namespace Tpetra {
namespace Details {
 
#ifdef HAVE_TPETRACORE_MPI
MPI_Comm
extractMpiCommFromTeuchos(const Teuchos::Comm<int>& comm);
#endif  // HAVE_TPETRACORE_MPI
 
bool teuchosCommIsAnMpiComm(const Teuchos::Comm<int>& comm);
 
}  // namespace Details
}  // namespace Tpetra
 
#endif  // TPETRA_DETAILS_EXTRACTMPICOMMFROMTEUCHOS_HPP