able class="params">
    <tr><td class="paramname">factor</td><td>The capacity scaling factor. It must be larger than one to use scaling. If it is less or equal to one, then scaling will be disabled.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>INFEASIBLE</code> if no feasible flow exists, <br/>
 <code>OPTIMAL</code> if the problem has optimal solution (i.e. it is feasible and bounded), and the algorithm has found optimal flow and node potentials (primal and dual s