githubmirror/bitcoin

src/util/serfloat.h

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MarcoFalke

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17 дек 2025, 00:21

17 дек 2025, 00:21fa5f297

// Copyright (c) 2021-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_UTIL_SERFLOAT_H
#define BITCOIN_UTIL_SERFLOAT_H

#include <cstdint>

/* Encode a double using the IEEE 754 binary64 format. All NaNs are encoded as x86/ARM's
 * positive quiet NaN with payload 0. */
uint64_t EncodeDouble(double f) noexcept;
/* Reverse operation of DecodeDouble. DecodeDouble(EncodeDouble(f))==f unless isnan(f). */
double DecodeDouble(uint64_t v) noexcept;

#endif // BITCOIN_UTIL_SERFLOAT_H