/li>
        <li>
          <b>I4_SWAP</b> switches two I4's.
        </li>
        <li>
          <b>I4_TO_TRIANGLE</b> converts an integer to triangular coordinates.
        </li>
        <li>
          <b>I4_UNIFORM</b> returns a scaled pseudorandom I4.
        </li>
        <li>
          <b>JACOBI_POLY</b> evaluates the Jacobi polynomials at X.
        </li>
        <li>
          <b>JACOBI_POLY_VALUES</b> returns some values of the Jacobi polynomial.
        </li>
        <li>
          <b>JACOBI_SYMB