Java tutorial
public class Main { public static void main(String[] args) { double d1 = 1.2, d2 = -1.2, d3 = 1.3, d4 = -14; System.out.println("value of d1 with sign d2 : " + StrictMath.copySign(d1, d2)); System.out.println("value of d1 with sign d3 : " + StrictMath.copySign(d1, d3)); System.out.println("value of d2 with sign d4 : " + StrictMath.copySign(d2, d4)); } }