/usr/include/rheolef/distributed.h is in librheolef-dev 6.5-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | # ifndef _RHEO_DISTRIBUTED_H
# define _RHEO_DISTRIBUTED_H
///
/// This file is part of Rheolef.
///
/// Copyright (C) 2000-2009 Pierre Saramito <Pierre.Saramito@imag.fr>
///
/// Rheolef is free software; you can redistribute it and/or modify
/// it under the terms of the GNU General Public License as published by
/// the Free Software Foundation; either version 2 of the License, or
/// (at your option) any later version.
///
/// Rheolef is distributed in the hope that it will be useful,
/// but WITHOUT ANY WARRANTY; without even the implied warranty of
/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
/// GNU General Public License for more details.
///
/// You should have received a copy of the GNU General Public License
/// along with Rheolef; if not, write to the Free Software
/// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
///
/// =========================================================================
#include "rheolef/compiler.h"
namespace rheolef {
struct undefined_memory_model {};
struct sequential {};
// compile-time predicate: is_sequential, is_distributed
template<class M>
struct is_sequential {
static const bool value = false;
};
template<class M>
struct is_distributed {
static const bool value = false;
};
template<>
struct is_sequential<sequential> {
static const bool value = true;
};
template<>
struct is_distributed<sequential> {
static const bool value = false;
};
// usefull in expressions of type mixing fields and class-functions:
// promote memory_type to the field one
template<class M1, class M2>
struct promote_memory {
typedef undefined_memory_model type;
};
template<>
struct promote_memory<undefined_memory_model,sequential> {
typedef sequential type;
};
template<>
struct promote_memory<sequential,undefined_memory_model> {
typedef sequential type;
};
template<>
struct promote_memory<sequential,sequential> {
typedef sequential type;
};
} // namespace rheolef
#ifndef _RHEOLEF_HAVE_MPI
// -----------------------------------------------------------------------
// distributed code & library should compile even without mpi
// -----------------------------------------------------------------------
# ifndef rheo_default_memory_model
# define rheo_default_memory_model sequential
# endif
namespace rheolef {
struct communicator {
typedef std::vector<int>::size_type size_type;
size_type rank() const { return 0; }
size_type size() const { return 1; }
};
} // namespace rheolef
#else
// -----------------------------------------------------------------------
// distributed code here
// -----------------------------------------------------------------------
namespace rheolef {
struct distributed {};
template<>
struct is_sequential<distributed> {
static const bool value = false;
};
template<>
struct is_distributed<distributed> {
static const bool value = true;
};
template<>
struct promote_memory<undefined_memory_model,distributed> {
typedef distributed type;
};
template<>
struct promote_memory<distributed,undefined_memory_model> {
typedef distributed type;
};
template<>
struct promote_memory<distributed,distributed> {
typedef distributed type;
};
} // namespace rheolef
# ifndef rheo_default_memory_model
# define rheo_default_memory_model distributed
# endif
# include <mpi.h>
# ifdef _RHEOLEF_HAVE_BOOST_MPI_HPP
# include <boost/mpi.hpp>
namespace rheolef {
namespace mpi = boost::mpi;
using mpi::communicator;
} // namespace rheolef
# else
# error "boost.mpi library expected"
# endif // _RHEOLEF_HAVE_BOOST_MPI_HPP
#endif // _RHEOLEF_HAVE_MPI
#include "rheolef/environment.h"
#endif // _RHEO_DISTRIBUTED_H
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