of the default random state. If STATE is a random state, then return a
copy of it. If STATE is T then return a random state generated from
the universal time."
- (/show0 "entering !RANDOM-COLD-INIT")
+ (/show0 "entering MAKE-RANDOM-STATE")
(flet ((copy-random-state (state)
(/show0 "entering COPY-RANDOM-STATE")
(let ((state (random-state-state state))
(sb!vm::random-mt19937 state-vector))
1d0))))
-#!+long-float
-(declaim #!-sb-fluid (inline %random-long-float))
-#!+long-float
-(declaim (ftype (function ((long-float (0l0)) random-state) (long-float 0l0))
- %random-long-float))
-
-;;; using a faster inline VOP
-#!+(and long-float x86)
-(defun %random-long-float (arg state)
- (declare (type (long-float (0l0)) arg)
- (type random-state state))
- (let ((state-vector (random-state-state state)))
- (* arg
- (- (sb!impl::make-long-float
- (sb!impl::long-float-exp-bits 1l0)
- (logior (sb!vm::random-mt19937 state-vector)
- sb!vm:long-float-hidden-bit)
- (sb!vm::random-mt19937 state-vector))
- 1l0))))
-
-#!+(and long-float sparc)
-(defun %random-long-float (arg state)
- (declare (type (long-float (0l0)) arg)
- (type random-state state))
- (* arg
- (- (sb!impl::make-long-float
- (sb!impl::long-float-exp-bits 1l0) ; X needs more work
- (random-chunk state) (random-chunk state) (random-chunk state))
- 1l0)))
\f
;;;; random integers
(defun random (arg &optional (state *random-state*))
(declare (inline %random-single-float %random-double-float
- #!+long-float %long-float))
+ #!+long-float %random-long-float))
(cond
((and (fixnump arg) (<= arg random-fixnum-max) (> arg 0))
(rem (random-chunk state) arg))
- ((and (typep arg 'single-float) (> arg 0.0S0))
+ ((and (typep arg 'single-float) (> arg 0.0f0))
(%random-single-float arg state))
- ((and (typep arg 'double-float) (> arg 0.0D0))
+ ((and (typep arg 'double-float) (> arg 0.0d0))
(%random-double-float arg state))
#!+long-float
- ((and (typep arg 'long-float) (> arg 0.0L0))
+ ((and (typep arg 'long-float) (> arg 0.0l0))
(%random-long-float arg state))
((and (integerp arg) (> arg 0))
(%random-integer arg state))