Method isIntegral

Sources/Dependencies/jsoncpp/value.cpp:1528–1552

	}

	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.
				// minInt64 is -2^63 which can be represented as a double, but since double
				// values in its proximity are also rounded to -2^63, we require the value
				// to be strictly greater than the limit to avoid returning 'true' for
				// values that are not in the range
				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;