code: static int computeManhattan(IntTuple t0, IntTuple t1)
      {
          Utils.checkForEqualSize(t0, t1);
          int sum = 0;
          for (int i=0; i<t0.getSize(); i++)
          {
              int d = t0.get(i)-t1.get(i);
              sum += Math.abs(d);
          }
          return sum;
      }
docs: Computes the Manhattan distance between the given tuples
  
  @param t0 The first tuple
  @param t1 The second tuple
  @return The distance
  @throws IllegalArgumentException If the given tuples do not
  have the same {@link Tuple#getSize() size}