(in-package "SB!KERNEL")
-(file-comment
- "$Header$")
-
;;; the size of the chunks returned by RANDOM-CHUNK
-(defconstant random-chunk-length 32)
-
-;;; the amount that we overlap chunks by when building a large integer
-;;; to make up for the loss of randomness in the low bits
-(defconstant random-integer-overlap 3)
-
-;;; extra bits of randomness that we generate before taking the value MOD the
-;;; limit, to avoid loss of randomness near the limit
-(defconstant random-integer-extra-bits 10)
-
-;;; the largest fixnum we can compute from one chunk of bits
-(defconstant random-fixnum-max
- (1- (ash 1 (- random-chunk-length random-integer-extra-bits))))
+(def!constant n-random-chunk-bits 32)
-(sb!xc:defstruct (random-state (:constructor %make-random-state))
+(sb!xc:defstruct (random-state (:constructor %make-random-state)
+ (:copier nil)) ; since shallow copy is wrong
(state (init-random-state) :type (simple-array (unsigned-byte 32) (627))))