63e88f80
 Hu Chunming
提交三方库
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////////////////////////////////////////////////////////////////
// Copyright 2021 Matt Borland. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_MP_DETAIL_ENDIAN_HPP
#define BOOST_MP_DETAIL_ENDIAN_HPP
#include <boost/multiprecision/detail/standalone_config.hpp>
#ifndef BOOST_MP_STANDALONE
# include <boost/predef/other/endian.h>
# define BOOST_MP_ENDIAN_BIG_BYTE BOOST_ENDIAN_BIG_BYTE
# define BOOST_MP_ENDIAN_LITTLE_BYTE BOOST_ENDIAN_LITTLE_BYTE
#elif defined(_WIN32)
# define BOOST_MP_ENDIAN_BIG_BYTE 0
# define BOOST_MP_ENDIAN_LITTLE_BYTE 1
#elif defined(__BYTE_ORDER__)
# define BOOST_MP_ENDIAN_BIG_BYTE (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
# define BOOST_MP_ENDIAN_LITTLE_BYTE (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#else
# error Could not determine endian type. Please disable standalone mode, and file an issue at https://github.com/boostorg/multiprecision
#endif // Determine endianness
static_assert((BOOST_MP_ENDIAN_BIG_BYTE || BOOST_MP_ENDIAN_LITTLE_BYTE)
&& !(BOOST_MP_ENDIAN_BIG_BYTE && BOOST_MP_ENDIAN_LITTLE_BYTE),
"Inconsistent endianness detected. Please disable standalone mode, and file an issue at https://github.com/boostorg/multiprecision");
#endif // BOOST_MP_DETAIL_ENDIAN_HPP
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