sized accordingly. For non-root processes, this parameter may be omitted. If it is still provided, however, it will be unchanged.</p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">root</code></span></p></td>
<td><p>The process ID number that will collect the values. This value must be the same on all processes. </p></td>
</tr>
</tbody>
</table></div></td>
</tr></tbody>
</table></div>
</div>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"