1 package com.googlecode.mp4parser.util; 2 3 public class Math { 4 public static long gcd(long a, long b) { 5 while (b > 0) { 6 long temp = b; 7 b = a % b; // % is remainder 8 a = temp; 9 } 10 return a; 11 } 12 13 public static int gcd(int a, int b) { 14 while (b > 0) { 15 int temp = b; 16 b = a % b; // % is remainder 17 a = temp; 18 } 19 return a; 20 } 21 22 public static long lcm(long a, long b) { 23 return a * (b / gcd(a, b)); 24 } 25 26 public static int lcm(int a, int b) { 27 return a * (b / gcd(a, b)); 28 } 29 30 } 31
