ion2d </td>
          <td>(</td>
          <td class="paramtype">type(<a class="el" href="classcnfunction2d.html">cnfunction2d</a>), intent(in)&#160;</td>
          <td class="paramname"><em>iFunc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">integer, intent(in), optional&#160;</td>
          <td class="paramname"><em>sgn</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td