      <td>
              <span class="anchor" id="variable-d~3"></span>
              doubleprecision
            </td>
<td></td>
              <td></td>            <td>
              
            </td>
            <td>::</td>
            <td><strong>d</strong>(len)</td>
            <td>
                
            </td>
        </tr>
    </tbody>
  </table>

    <br>


    
    

    
    



    
    <section>
    <h2><span class="anchor" id="src"></span>Source Code</h2>
    <div class="hl codehilite"><p