Function FormatFloat16Value

cpp/src/parquet/types.cc:179–188

}

std::string FormatFloat16Value(::std::string_view val) {
  std::stringstream result;
  // FromLittleEndian reads two bytes unconditionally; a truncated stat value
  // may be shorter, so copy into a zero-padded buffer first.
  std::array<uint8_t, 2> bytes{};
  std::memcpy(bytes.data(), val.data(), std::min(bytes.size(), val.size()));
  auto float16 = ::arrow::util::Float16::FromLittleEndian(bytes.data());
  result << float16.ToFloat();
  return result.str();
}

}  // namespace