       product_rule_tanh_sinh.html</a>,
          describes the tanh-sinh product rules.
        </li>
        <li>
          <a href = "product_rule_tanh_sinh_output.txt">
          product_rule_tanh_sinh_output</a>,
          the output from running the test on the 2D rules.
        </li>
      </ul>
    </p>

    <p>
      <b>SPARSE_GRID_CC</b> is a family of Clenshaw Curtis sparse grid rules which
      includes rules of order 1, 5, 13, 29, 65, 145, 321, 705. 1537, 3329 and 7169 points.
      <i>These r