an>
              real(kind=real64),
            </td>
<td>intent(inout),</td>
              <td></td>            <td>
              dimension(:,:)
            </td>
            <td>::</td>
            <td><strong>lu</strong></td>
            <td>
                <p>On input, the N-by-N matrix as output by lu_factor.  On output, the 
N-by-N lower triangular matrix L.</p>
            </td>
        </tr>
        <tr>
            <td>
              <span class="anchor" id="variable-u~13"></span>
              