<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  <span class="comment">// Returns the number of connected components. Allocates num_nodes_ bits for</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;  <span class="comment">// the computation.</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="classoperations__