| 1 | //////////////////////////////////////////////////////////////// |
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| 2 | // Copyright 2021 Matt Borland. Distributed under the Boost |
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| 3 | // Software License, Version 1.0. (See accompanying file |
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| 4 | // LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt |
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| 5 | |
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| 6 | #ifndef BOOST_MP_DETAIL_ENDIAN_HPP |
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| 7 | #define BOOST_MP_DETAIL_ENDIAN_HPP |
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| 8 | |
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| 9 | #include <boost/multiprecision/detail/standalone_config.hpp> |
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| 10 | |
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| 11 | #ifndef BOOST_MP_STANDALONE |
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| 12 | |
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| 13 | # include <boost/predef/other/endian.h> |
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| 14 | # define BOOST_MP_ENDIAN_BIG_BYTE BOOST_ENDIAN_BIG_BYTE |
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| 15 | # define BOOST_MP_ENDIAN_LITTLE_BYTE BOOST_ENDIAN_LITTLE_BYTE |
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| 16 | |
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| 17 | #elif defined(_WIN32) |
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| 18 | |
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| 19 | # define BOOST_MP_ENDIAN_BIG_BYTE 0 |
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| 20 | # define BOOST_MP_ENDIAN_LITTLE_BYTE 1 |
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| 21 | |
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| 22 | #elif defined(__BYTE_ORDER__) |
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| 23 | |
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| 24 | # define BOOST_MP_ENDIAN_BIG_BYTE (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) |
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| 25 | # define BOOST_MP_ENDIAN_LITTLE_BYTE (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) |
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| 26 | |
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| 27 | #else |
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| 28 | # error Could not determine endian type. Please disable standalone mode, and file an issue at https://github.com/boostorg/multiprecision |
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| 29 | #endif // Determine endianness |
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| 30 | |
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| 31 | static_assert((BOOST_MP_ENDIAN_BIG_BYTE || BOOST_MP_ENDIAN_LITTLE_BYTE) |
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| 32 | && !(BOOST_MP_ENDIAN_BIG_BYTE && BOOST_MP_ENDIAN_LITTLE_BYTE), |
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| 33 | "Inconsistent endianness detected. Please disable standalone mode, and file an issue at https://github.com/boostorg/multiprecision" ); |
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| 34 | |
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| 35 | #endif // BOOST_MP_DETAIL_ENDIAN_HPP |
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| 36 | |
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