yes... more than 32767 waypoints/nodes/walkfaces/navlinks/whatever.
One reason among others
Also, I assure you that the random results are very convincing : the algorithm is based on an infinite math suite, whose start point is determined by the initial seed - and this implementation is VERY fast, much faster than calling rand() twice. I believe the guy who wrote this did a math paper somewhere, it must be lying around on the net
