degree at most d</li><li><a href="union.html" class="code" title="function union(g,h1,h2)">union</a>	union(g,h1,h2) --- set g equal to the union of h1 and h2.</li><li><a href="wheel.html" class="code" title="function wheel(g,n)">wheel</a>	wheel(g,n) --- overwrite g with a wheel graph on n vertices</li></ul>
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<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" 