me"><em>ftol</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">procedure(fgsl_nlinear_callback), optional&#160;</td>
          <td class="paramname"><em>callback</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">type(c_ptr), value&#160;</td>
          <td class="paramname"><em>callback_params</em>, </td>
        </tr>
        <tr>
          <td class="pa