al"><dt>Return values</dt><dd>
  <table class="retval">
    <tr><td class="paramname">obj</td><td>object of power type </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
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      <table class="memname">
        <tr>
          <td class="memname">function pwr::Pn </td>
          <td>(</td>
          <td class="paramtype">in&#160;</td>
          <td class="paramname"><em>obj</em>, </td>
        </tr>
      