;; which are the parameters of the new state, and get other
;; information from the lexical variables bound above.
(flet ((two-class (index w0 w1)
- (when (zerop (random 2)) (psetf w0 w1 w1 w0))
+ (when (zerop (random 2 *pcl-misc-random-state*))
+ (psetf w0 w1 w1 w0))
(dfun-update gf
#'make-two-class-accessor-dfun
ntype