Well, at least I didn't succumb to the temptation to port my own random source generator from Common Lisp over to add to the confusion.<br><br><div class="gmail_quote">On Dec 30, 2007 3:32 PM, Noel Welsh <<a href="mailto:noelwelsh@gmail.com"> noelwelsh@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="Ih2E3d">On Dec 30, 2007 4:54 PM, Noel Welsh < <a href="mailto:noelwelsh@gmail.com">noelwelsh@gmail.com</a>> wrote:<br>> Thanks for the response.  I was setting random-seed to a fixed value<br>> before each call.  This wasn't show in the code I excerpted.  The rest <br>> of your email suggests random-seed is irrelevant.  I'm just about to<br>> look at this problem again, so hopefully I'll get it sorted out soon.<br>> I'll report back.<br><br></div>With your advice I got it working.  Regarding the issue with the <br>random sources, the blame is squarely mine for not reading the<br>documentation.  Unifying the random number generators would be nice,<br>however.<br><font color="#888888"><br>N.<br></font></blockquote></div><br>