compare NUMBER NUMBER

static String	_ncompare	= "${ncompare;<anumber>;<bnumber>}";

public int _ncompare(String args[]) throws Exception {
	verifyCommand(args, _ncompare, null, 3, 3);
	double a = Double.parseDouble(args[1]);
	double b = Double.parseDouble(args[2]);
	if (a > b)
		return 1;
	if (a < b)
		return -1;
	return 0;
}