Java tutorial
public class Main { public static void main(String[] args) { // get two double float numbers float x = 123.456f; float y = 123.1f; // print the ulp of these floats System.out.println("Math.ulp(" + x + ")=" + Math.ulp(x)); System.out.println("Math.ulp(" + y + ")=" + Math.ulp(y)); } }