package jscl.math.polynomial.groebner; import java.util.Comparator; class Natural implements Comparator { public static final Comparator comparator = new Natural(); private Natural() { } public int compare(Pair pa1, Pair pa2) { return pa1.compareTo(pa2); } public int compare(Object o1, Object o2) { return compare((Pair) o1, (Pair) o2); } }