public void sort(double[] input) {
		for (int i = 0; i < input.length; i++) {
			// Find minimimum value
			int lowest = i;
			for (int j = i; j < input.length; j++) {
				if (Helper.less(input, j, lowest)) {
					lowest = j;
				}
			}
			Helper.exch(input, lowest, i);
		}
	}