71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/*
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* Copyright (c) 2019 BitShares Blockchain Foundation, and contributors.
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*
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* The MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#pragma once
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#ifdef __SIZEOF_INT128__
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#include <stdint.h>
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namespace fc {
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using int128_t = __int128_t;
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using uint128_t = __uint128_t;
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inline uint64_t uint128_lo64(const uint128_t x) {
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return static_cast<uint64_t>(x & 0xffffffffffffffffULL);
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}
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inline uint64_t uint128_hi64(const uint128_t x) {
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return static_cast<uint64_t>( x >> 64 );
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}
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} // namespace fc
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#else // __SIZEOF_INT128__
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#include <boost/multiprecision/integer.hpp>
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namespace fc {
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using boost::multiprecision::int128_t;
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using boost::multiprecision::uint128_t;
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inline uint64_t uint128_lo64(const uint128_t& x) {
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return static_cast<uint64_t>(x & 0xffffffffffffffffULL);
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}
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inline uint64_t uint128_hi64(const uint128_t& x) {
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return static_cast<uint64_t>( x >> 64 );
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}
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} // namespace fc
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#endif // __SIZEOF_INT128__
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namespace fc {
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inline uint128_t uint128( const uint64_t hi, const uint64_t lo ) {
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return ( uint128_t(hi) << 64 ) + lo;
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}
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} // namespace fc
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