Teuchos_RawMPITraits.hpp

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// ***********************************************************************
// 
//                    Teuchos: Common Tools Package
//                 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
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// This library is distributed in the hope that it will be useful, but
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// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
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// ////////////////////////////////////////////////////////////////////////
// Teuchos_RawMPITraits.hpp

#ifndef TEUCHOS_RAW_MPI_TRAITS_H
#define TEUCHOS_RAW_MPI_TRAITS_H

#include "Teuchos_ConfigDefs.hpp"

namespace Teuchos {


template <class T> class RawMPITraits {
public:
  static MPI_Datatype type() { bool *junk1; T *junk2 = &junk1; return MPI_DATATYPE_NULL; }
};

#ifndef DOXYGEN_SHOULD_SKIP_THIS


template <> class RawMPITraits<char> {
public:
  static MPI_Datatype type() { return MPI_CHAR; }
};


template <> class RawMPITraits<int> {
public:
  static MPI_Datatype type() { return MPI_INT; }
};


template <> class RawMPITraits<float> {
public:
  static MPI_Datatype type() { return MPI_FLOAT; }
};


template <> class RawMPITraits<double> {
public:
  static MPI_Datatype type() { return MPI_DOUBLE; }
};

#endif // DOXYGEN_SHOULD_SKIP_THIS

} // namespace Teuchos

#endif // TEUCHOS_RAW_MPI_TRAITS_H

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