package jalview.util;

public class MathUtils
{

  /**
   * Returns the greatest common divisor of two integers
   * 
   * @param a
   * @param b
   * @return
   */
  public static int gcd(int a, int b)
  {
    if (b == 0)
    {
      return Math.abs(a);
    }
    return gcd(b, a % b);
  }

}