Method isIntegral

external/jsoncpp/jsoncpp.cpp:3857–3875

}

bool Value::isIntegral() const {
  switch (type_) {
    case intValue:
    case uintValue:
      return true;
    case realValue:
#if defined(JSON_HAS_INT64)
      // Note that maxUInt64 (= 2^64 - 1) is not exactly representable as a
      // double, so double(maxUInt64) will be rounded up to 2^64. Therefore we
      // require the value to be strictly less than the limit.
      return value_.real_ >= double(minInt64) && value_.real_ < maxUInt64AsDouble && IsIntegral(value_.real_);
#else
      return value_.real_ >= minInt && value_.real_ <= maxUInt && IsIntegral(value_.real_);
#endif // JSON_HAS_INT64
    default:
      break;
  }
  return false;
}

bool Value::isDouble() const { return type_ == intValue || type_ == uintValue || type_ == realValue; }