Thank you to everyone fo their suggestions on generating pseudorandom sequences identical for J32 & J64, also sorry for the delay in responding, and for the initial (near-)duplicate posts!
I'm now using gb-flip as implemented & posted by Roger, http://jsoftware.com/pipermail/programming/2011-October/024407.html which does just what I need -- Ewart Shaw -- J.E.H.Shaw [Ewart Shaw] [email protected] TEL: +44 2476 523069 Department of Statistics, University of Warwick, Coventry CV4 7AL, UK http://www.warwick.ac.uk/statsdept http://www.facebook.com/ewart.shaw 3 ((4&({*.(=+/))++/=3:)@([:,/0&,^:(i.3)@|:"2^:2))&.>@]^:(i.@[) <#:3 6 2 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
