Revision 24d2dc18e53205337a4bb9bc2dd1f9faa17798e3 authored by Lionel Muller on 07 October 2011, 09:58:47 UTC, committed by Lionel Muller on 07 October 2011, 09:58:47 UTC
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/cado-nfs/trunk@957 3eaf19af-ecc0-40f6-b43f-672aa0c71c71
1 parent 171f670
cado-endian.h
// Copyright 2005 Caleb Epstein
// Copyright 2006 John Maddock
// 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)
//
/* copied and modified from:
*
* http://boost.cvs.sourceforge.net/boost/boost/boost/detail/endian.hpp
*/
/*
* 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.
*/
#ifndef CADO_ENDIAN_H_
#define CADO_ENDIAN_H_
// GNU libc offers the helpful header <endian.h> which defines
// __BYTE_ORDER
#if defined (__GLIBC__)
# include <endian.h>
# if (__BYTE_ORDER == __LITTLE_ENDIAN)
# define CADO_LITTLE_ENDIAN
# elif (__BYTE_ORDER == __BIG_ENDIAN)
# define CADO_BIG_ENDIAN
# elif (__BYTE_ORDER == __PDP_ENDIAN)
# define CADO_PDP_ENDIAN
# else
# error Unknown machine endianness detected.
# endif
# define CADO_BYTE_ORDER __BYTE_ORDER
#elif defined(_BIG_ENDIAN)
# define CADO_BIG_ENDIAN
# define CADO_BYTE_ORDER 4321
#elif defined(_LITTLE_ENDIAN)
# define CADO_LITTLE_ENDIAN
# define CADO_BYTE_ORDER 1234
#elif defined(__sparc) || defined(__sparc__) \
|| defined(_POWER) || defined(__powerpc__) \
|| defined(__ppc__) || defined(__hpux) \
|| defined(_MIPSEB) || defined(_POWER) \
|| defined(__s390__)
# define CADO_BIG_ENDIAN
# define CADO_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)
# define CADO_LITTLE_ENDIAN
# define CADO_BYTE_ORDER 1234
#else
# error The file cado-endian.h needs to be set up for your CPU type.
#endif
#endif
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