class DoubleRange implements Comparable<DoubleRange> {

	@Override
	public boolean equals(Object o) {
		if (o instanceof DoubleRange) {
			DoubleRange other = (DoubleRange) o;
			return low.equals(other.low) && high.equals(other.high);
		}
		return false;
	}

	public  DoubleRange();
	public  DoubleRange(Double low, Double high);

}