Jip J. Dekker
1d9faf38de
git-subtree-dir: software/gecode git-subtree-split: 313e87646da4fc2752a70e83df16d993121a8e40
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
// Copyright 2005 Caleb Epstein
|
|
// Copyright 2006 John Maddock
|
|
// Copyright 2010 Rene Rivera
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompany-
|
|
// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
/*
|
|
* Copyright (c) 1997
|
|
* Silicon Graphics Computer Systems, Inc.
|
|
*
|
|
* Permission to use, copy, modify, distribute and sell this software
|
|
* and its documentation for any purpose is hereby granted without fee,
|
|
* provided that the above copyright notice appear in all copies and
|
|
* that both that copyright notice and this permission notice appear
|
|
* in supporting documentation. Silicon Graphics makes no
|
|
* representations about the suitability of this software for any
|
|
* purpose. It is provided "as is" without express or implied warranty.
|
|
*/
|
|
|
|
/*
|
|
* Copyright notice reproduced from <gecode/third-party/boost/detail/limits.hpp>, from
|
|
* which this code was originally taken.
|
|
*
|
|
* Modified by Caleb Epstein to use <endian.h> with GNU libc and to
|
|
* defined the GECODE_BOOST_ENDIAN macro.
|
|
*/
|
|
|
|
#ifndef GECODE_BOOST_DETAIL_ENDIAN_HPP
|
|
#define GECODE_BOOST_DETAIL_ENDIAN_HPP
|
|
|
|
// GNU libc offers the helpful header <endian.h> which defines
|
|
// __BYTE_ORDER
|
|
|
|
#if defined (__GLIBC__)
|
|
# include <endian.h>
|
|
# if (__BYTE_ORDER == __LITTLE_ENDIAN)
|
|
# define GECODE_BOOST_LITTLE_ENDIAN
|
|
# elif (__BYTE_ORDER == __BIG_ENDIAN)
|
|
# define GECODE_BOOST_BIG_ENDIAN
|
|
# elif (__BYTE_ORDER == __PDP_ENDIAN)
|
|
# define GECODE_BOOST_PDP_ENDIAN
|
|
# else
|
|
# error Unknown machine endianness detected.
|
|
# endif
|
|
# define GECODE_BOOST_BYTE_ORDER __BYTE_ORDER
|
|
#elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN) || \
|
|
defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__) || \
|
|
defined(_STLP_BIG_ENDIAN) && !defined(_STLP_LITTLE_ENDIAN)
|
|
# define GECODE_BOOST_BIG_ENDIAN
|
|
# define GECODE_BOOST_BYTE_ORDER 4321
|
|
#elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) || \
|
|
defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__) || \
|
|
defined(_STLP_LITTLE_ENDIAN) && !defined(_STLP_BIG_ENDIAN)
|
|
# define GECODE_BOOST_LITTLE_ENDIAN
|
|
# define GECODE_BOOST_BYTE_ORDER 1234
|
|
#elif defined(__sparc) || defined(__sparc__) \
|
|
|| defined(_POWER) || defined(__powerpc__) \
|
|
|| defined(__ppc__) || defined(__hpux) || defined(__hppa) \
|
|
|| defined(_MIPSEB) || defined(_POWER) \
|
|
|| defined(__s390__)
|
|
# define GECODE_BOOST_BIG_ENDIAN
|
|
# define GECODE_BOOST_BYTE_ORDER 4321
|
|
#elif defined(__i386__) || defined(__alpha__) \
|
|
|| defined(__ia64) || defined(__ia64__) \
|
|
|| defined(_M_IX86) || defined(_M_IA64) \
|
|
|| defined(_M_ALPHA) || defined(__amd64) \
|
|
|| defined(__amd64__) || defined(_M_AMD64) \
|
|
|| defined(__x86_64) || defined(__x86_64__) \
|
|
|| defined(_M_X64) || defined(__bfin__)
|
|
|
|
# define GECODE_BOOST_LITTLE_ENDIAN
|
|
# define GECODE_BOOST_BYTE_ORDER 1234
|
|
#else
|
|
# error The file boost/detail/endian.hpp needs to be set up for your CPU type.
|
|
#endif
|
|
|
|
|
|
#endif
|