docs: static boolean epsilonEquals(
          DoubleTuple t0, DoubleTuple t1, double epsilon)
      {
          if (t0 == t1)
          {
              return true;
          }
          int n0 = t0.getSize();
          int n1 = t1.getSize();
          if (n0 != n1)
          {
              return false;
          }
          for (int i=0; i<n0; i++)
          {
              double v0 = t0.get(i);
              double v1 = t1.get(i);
              if (Math.abs(v0-v1) > epsilon)
              {
                  return false;
              }
          }
          return true;
      }