es the BOOST library to generate
dimension-specific, C++ data structures.   It makes good use of 64-bit memory.
Input sites may be added incrementally.  It is the fastest 64-bit code
available.

<p>Clarkson's <a
href="http://www.netlib.org/voronoi/hull.html">hull
program</a> and Shewchuk's <a
href="http://www.cs.cmu.edu/~quake/triangle.html">triangle
program</a> are practical implementations of exact arithmetic.</p>

<p>Clarkson limits the input precision to about fifteen digits.
This reduces the number of 