is_mpi_op_test.cpp

来自「Boost provides free peer-reviewed portab」· C++ 代码 · 共 35 行

// Copyright (C) 2005-2006 Douglas Gregor <[e-mail]>

// Use, modification and distribution is subject to 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)

// A test of the is_mpi_op functionality.
#include <boost/mpi/operations.hpp>
#include <boost/mpi/environment.hpp>
#include <boost/type_traits/is_base_and_derived.hpp>
#include <boost/test/minimal.hpp>

using namespace boost::mpi;
using namespace std;
using boost::is_base_and_derived;

int test_main(int argc, char* argv[])
{
  boost::mpi::environment env(argc, argv);

  // Check each predefined MPI_Op type that we support directly.
  BOOST_CHECK((is_mpi_op<maximum<int>, int>::op() == MPI_MAX));
  BOOST_CHECK((is_mpi_op<minimum<float>, float>::op() == MPI_MIN));
  BOOST_CHECK((is_mpi_op<plus<double>, double>::op() == MPI_SUM));
  BOOST_CHECK((is_mpi_op<multiplies<long>, long>::op() == MPI_PROD));
  BOOST_CHECK((is_mpi_op<logical_and<int>, int>::op() == MPI_LAND));
  BOOST_CHECK((is_mpi_op<bitwise_and<int>, int>::op() == MPI_BAND));
  BOOST_CHECK((is_mpi_op<logical_or<int>, int>::op() == MPI_LOR));
  BOOST_CHECK((is_mpi_op<bitwise_or<int>, int>::op() == MPI_BOR));
  BOOST_CHECK((is_mpi_op<logical_xor<int>, int>::op() == MPI_LXOR));
  BOOST_CHECK((is_mpi_op<bitwise_xor<int>, int>::op() == MPI_BXOR));

  return 0;
}