X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftarget-random.lisp;h=aa87cadb9f68624ea0f2a45aad71b4fe814750b5;hb=add57c72c932fbf70c8ba8297154936c908b410e;hp=9937cd7d36b0f60a386c634b96444cec83a6a085;hpb=467a8e5dba8bfa2598ca8e22c1204dc173ce556f;p=sbcl.git diff --git a/src/code/target-random.lisp b/src/code/target-random.lisp index 9937cd7..aa87cad 100644 --- a/src/code/target-random.lisp +++ b/src/code/target-random.lisp @@ -61,7 +61,7 @@ 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)) @@ -191,7 +191,7 @@ (- (sb!impl::make-double-float (dpb (ash (random-chunk state) (- sb!vm:double-float-digits random-chunk-length - sb!vm:word-bits)) + sb!vm:n-word-bits)) sb!vm:double-float-significand-byte (sb!impl::double-float-high-bits 1d0)) (random-chunk state)) @@ -207,41 +207,12 @@ (- (sb!impl::make-double-float (dpb (ash (sb!vm::random-mt19937 state-vector) (- sb!vm:double-float-digits random-chunk-length - sb!vm:word-bits)) + sb!vm:n-word-bits)) sb!vm:double-float-significand-byte (sb!impl::double-float-high-bits 1d0)) (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))) ;;;; random integers @@ -259,16 +230,16 @@ (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))