Method Sign

cpp/src/arrow/util/basic_decimal.h:131–133

Return 1 if positive or zero, -1 if strictly negative.

  /// Return 1 if positive or zero, -1 if strictly negative.
  int64_t Sign() const {
    return 1 | (static_cast<int64_t>(array_[kHighWordIndex]) >> 63);
  }

  bool IsNegative() const { return static_cast<int64_t>(array_[kHighWordIndex]) < 0; }