serfloat.h raw

   1  // Copyright (c) 2021-present The Bitcoin Core developers
   2  // Distributed under the MIT software license, see the accompanying
   3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4  
   5  #ifndef BITCOIN_UTIL_SERFLOAT_H
   6  #define BITCOIN_UTIL_SERFLOAT_H
   7  
   8  #include <cstdint>
   9  
  10  /* Encode a double using the IEEE 754 binary64 format. All NaNs are encoded as x86/ARM's
  11   * positive quiet NaN with payload 0. */
  12  uint64_t EncodeDouble(double f) noexcept;
  13  /* Reverse operation of DecodeDouble. DecodeDouble(EncodeDouble(f))==f unless isnan(f). */
  14  double DecodeDouble(uint64_t v) noexcept;
  15  
  16  #endif // BITCOIN_UTIL_SERFLOAT_H
  17