>
      where
      <ul>
        <li>
          <i>'prefix'</i> is the common prefix for the files containing the abscissa, weight
          and region information of the quadrature rule, entered as a quoted string;
        </li>
        <li>
          <i>degree_max</i> is the maximum monomial degree to check.  This would normally be
          a relatively small nonnegative number, such as 5, 10 or 15.
        </li>
      </ul>
    </p>

    <p>
      If the arguments are not supplied on the command line, t