/tt> in 2-d to 4-d (a 3-d
Delaunay triangulation is a 4-d convex hull):
<blockquote>
<ul>
<li>
<a href="qconvex.htm">qconvex</a> == qhull
<li>
<a href=qdelaun.htm>qdelaunay</a> == qhull d <a href="qh-optq.htm#Qbb">Qbb</a>
<li>
<a href=qhalf.htm>qhalf</a> == qhull H
<li>
<a href=qvoronoi.htm>qvoronoi</a> == qhull v <a href="qh-optq.htm#Qbb">Qbb</a>
</ul>
</blockquote>

<p>Use the following equivalences when calling <tt>qhull</tt> in 5-d and higher (a 4-d
Delaunay triangulation is a 5-d convex hull):
<blockqu