/dt><dd><a class="el" href="a00182.html#a13a43e6d814de94978c515cb084873b1">run()</a> must be called before using this function. </dd></dl>

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          <td class="memname">int rootDist </td>
          <td>(</td>
          <td class="paramtype">const Node &amp;&#160;</td>
          <td class