docs: private void updateMinMax(int index)
      {
          if (index >= min.getSize())
          {
              return;
          }
          int sum = 0;
          for (int i=0; i<index; i++)
          {
              sum += Math.abs(current.get(i));
          }
          int m = radius - sum;
          min.set(index, -m);
          max.set(index, m);
      }