Tpetra_Details_MpiTypeTraits.hpp

Go to the documentation of this file.

/*
// @HEADER
// ***********************************************************************
//
//          Tpetra: Templated Linear Algebra Services Package
//                 Copyright (2008) 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 Michael A. Heroux (maherou@sandia.gov)
//
// ************************************************************************
// @HEADER
*/
 
#ifndef TPETRA_DETAILS_MPITYPETRAITS_HPP
#define TPETRA_DETAILS_MPITYPETRAITS_HPP

 
#include "TpetraCore_config.h"
#ifdef HAVE_TPETRACORE_MPI
 
#include "Kokkos_Complex.hpp"
#include "Teuchos_Details_MpiTypeTraits.hpp"
// Include this file for uintptr_t.
// Windows (Visual Studio 2015) claims to have that type too:
//
// https://msdn.microsoft.com/en-us/library/323b6b3k.aspx
#include <cstdint>
 
namespace Teuchos {
namespace Details {

template<>
class MpiTypeTraits< ::Kokkos::complex<double> > {
private:
#if MPI_VERSION >= 3
  static const bool hasMpi3 = true;
#else
  static const bool hasMpi3 = false;
#endif // MPI_VERSION >= 3
 
public:
  static const bool isSpecialized = true;

  static const bool needsFree = ! hasMpi3;

  static MPI_Datatype getType (const ::Kokkos::complex<double>& z);

  static MPI_Datatype getType ();
};
 
template<>
class MpiTypeTraits< ::Kokkos::complex<float> > {
private:
#if MPI_VERSION >= 3
  static const bool hasMpi3 = true;
#else
  static const bool hasMpi3 = false;
#endif // MPI_VERSION >= 3
 
public:
  static const bool isSpecialized = true;

  static const bool needsFree = ! hasMpi3;

  static MPI_Datatype getType (const ::Kokkos::complex<float>& z);

  static MPI_Datatype getType ();
};
 
} // namespace Details
} // namespace Teuchos
 
namespace Tpetra {
namespace Details {
 
// Import MpiTypeTraits into the Tpetra::Details namespace.
using ::Teuchos::Details::MpiTypeTraits;
 
} // namespace Details
} // namespace Tpetra
 
#endif // HAVE_TPETRACORE_MPI
#endif // TPETRA_DETAILS_MPITYPETRAITS_HPP