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 Hu Chunming
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// Copyright Alain Miniussi 2014.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Authors: Alain Miniussi
#ifndef BOOST_MPI_ANTIQUES_HPP
#define BOOST_MPI_ANTIQUES_HPP
#include <vector>
// Support for some obsolette compilers
namespace boost { namespace mpi {
namespace detail {
// Some old gnu compiler have no support for vector<>::data
// Use this in the mean time, the cumbersome syntax should
// serve as an incentive to get rid of this when those compilers
// are dropped.
template <typename T, typename A>
T* c_data(std::vector<T,A>& v) { return v.empty() ? static_cast<T*>(0) : &(v[0]); }
template <typename T, typename A>
T const* c_data(std::vector<T,A> const& v) { return v.empty() ? static_cast<T const*>(0) : &(v[0]); }
// Some old MPI implementation (OpenMPI 1.6 for example) have non
// conforming API w.r.t. constness.
// We choose to fix this trhough this converter in order to
// explain/remember why we're doing this and remove it easilly
// when support for those MPI is dropped.
// The fix is as specific (un templatized, for one) as possible
// in order to encourage it usage for the probleme at hand.
// Problematic API include MPI_Send
inline
void *unconst(void const* addr) { return const_cast<void*>(addr); }
} } }
#endif
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