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blockchain/src/serialization/multiprecision.h
2018-12-27 18:50:45 +03:00

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900 B
C++

// Copyright (c) 2014-2017 The The Louisdor Project
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#pragma once
#include <memory>
#include <boost/multiprecision/cpp_int.hpp>
#include "serialization.h"
template <template <bool> class Archive>
inline bool do_serialize(Archive<false>& ar, boost::multiprecision::uint128_t& diff)
{
uint64_t hi = 0;
uint64_t lo = 0;
ar.serialize_uint(hi);
ar.serialize_uint(lo);
diff = hi;
diff = (diff << 64) | lo;
return true;
}
template <template <bool> class Archive>
inline bool do_serialize(Archive<true>& ar, boost::multiprecision::uint128_t& diff_)
{
uint64_t hi = (diff_ >> 64).convert_to<uint64_t>();
uint64_t lo = (diff_ & (0xFFFFFFFFFFFFFFFFLL)).convert_to<uint64_t>();
ar.serialize_uint(hi);
ar.serialize_uint(lo);
return true;
}