code>,
<code><a href="overlap.html">overlap</a>()</code>,
<code><a href="pand.html">pand</a>()</code>,
<code><a href="pet.html">pet</a>()</code>,
<code><a href="pnd.html">pnd</a>()</code>,
<code><a href="tau_u.html">tau_u</a>()</code></p></div>
    </div>
    <div class="section level2">
    <h2 id="author">Author<a class="anchor" aria-label="anchor" href="#author"></a></h2>
    <p>Juergen Wilbert</p>
    </div>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label