(defknown %single-float (real) single-float (movable foldable flushable))
(defknown %double-float (real) double-float (movable foldable flushable))
-(deftransform float ((n &optional f) (* &optional single-float) *)
+(deftransform float ((n f) (* single-float) *)
'(%single-float n))
(deftransform float ((n f) (* double-float) *)
'(%double-float n))
+(deftransform float ((n) *)
+ '(if (floatp n)
+ n
+ (%single-float n)))
+
(deftransform %single-float ((n) (single-float) *)
'n)
;; to let me scan for places that I made this mistake and didn't
;; catch myself.
"use inline (UNSIGNED-BYTE 32) operations"
- (let ((num-high (numeric-type-high (continuation-type num))))
+ (let ((num-high (numeric-type-high (lvar-type num))))
(when (null num-high)
(give-up-ir1-transform))
- (cond ((constant-continuation-p num)
+ (cond ((constant-lvar-p num)
;; Check the worst case sum absolute error for the random number
;; expectations.
(let ((rem (rem (expt 2 32) num-high)))
(deftransform scale-float ((f ex) (single-float *) *)
(if (and #!+x86 t #!-x86 nil
- (csubtypep (continuation-type ex)
+ (csubtypep (lvar-type ex)
(specifier-type '(signed-byte 32))))
'(coerce (%scalbn (coerce f 'double-float) ex) 'single-float)
'(scale-single-float f ex)))
(deftransform scale-float ((f ex) (double-float *) *)
(if (and #!+x86 t #!-x86 nil
- (csubtypep (continuation-type ex)
+ (csubtypep (lvar-type ex)
(specifier-type '(signed-byte 32))))
'(%scalbn f ex)
'(scale-double-float f ex)))
;;; rational arithmetic, or different float types, and fix it up. If
;;; we don't, he won't even get so much as an efficiency note.
(deftransform float-contagion-arg1 ((x y) * * :defun-only t :node node)
- `(,(continuation-fun-name (basic-combination-fun node))
+ `(,(lvar-fun-name (basic-combination-fun node))
(float x y) y))
(deftransform float-contagion-arg2 ((x y) * * :defun-only t :node node)
- `(,(continuation-fun-name (basic-combination-fun node))
+ `(,(lvar-fun-name (basic-combination-fun node))
x (float y x)))
(dolist (x '(+ * / -))
(macrolet ((frob (op)
`(deftransform ,op ((x y) (float rational) *)
"open-code FLOAT to RATIONAL comparison"
- (unless (constant-continuation-p y)
+ (unless (constant-lvar-p y)
(give-up-ir1-transform
"The RATIONAL value isn't known at compile time."))
- (let ((val (continuation-value y)))
+ (let ((val (lvar-value y)))
(unless (eql (rational (float val)) val)
(give-up-ir1-transform
"~S doesn't have a precise float representation."
(setf (fun-info-derive-type (fun-info-or-lose name))
(lambda (call)
(declare (type combination call))
- (when (csubtypep (continuation-type
+ (when (csubtypep (lvar-type
(first (combination-args call)))
type)
(specifier-type 'float)))))))
#+sb-xc-host ; (See CROSS-FLOAT-INFINITY-KLUDGE.)
(defoptimizer (log derive-type) ((x &optional y))
- (when (and (csubtypep (continuation-type x)
+ (when (and (csubtypep (lvar-type x)
(specifier-type '(real 0.0)))
(or (null y)
- (csubtypep (continuation-type y)
+ (csubtypep (lvar-type y)
(specifier-type '(real 0.0)))))
(specifier-type 'float)))
\f
(declare (ignorable prim-quick))
`(progn
(deftransform ,name ((x) (single-float) *)
- #!+x86 (cond ((csubtypep (continuation-type x)
+ #!+x86 (cond ((csubtypep (lvar-type x)
(specifier-type '(single-float
(#.(- (expt 2f0 64)))
(#.(expt 2f0 64)))))
(compiler-notify
"unable to avoid inline argument range check~@
because the argument range (~S) was not within 2^64"
- (type-specifier (continuation-type x)))
+ (type-specifier (lvar-type x)))
`(coerce (,',prim (coerce x 'double-float)) 'single-float)))
#!-x86 `(coerce (,',prim (coerce x 'double-float)) 'single-float))
(deftransform ,name ((x) (double-float) *)
- #!+x86 (cond ((csubtypep (continuation-type x)
+ #!+x86 (cond ((csubtypep (lvar-type x)
(specifier-type '(double-float
(#.(- (expt 2d0 64)))
(#.(expt 2d0 64)))))
(compiler-notify
"unable to avoid inline argument range check~@
because the argument range (~S) was not within 2^64"
- (type-specifier (continuation-type x)))
+ (type-specifier (lvar-type x)))
`(,',prim x)))
#!-x86 `(,',prim x)))))
(def sin %sin %sin-quick)
(when (and arg-lo (floatp arg-lo-val) (zerop arg-lo-val) (consp arg-lo)
(minusp (float-sign arg-lo-val)))
(compiler-notify "float zero bound ~S not correctly canonicalized?" arg-lo)
- (setq arg-lo '(0e0) arg-lo-val 0e0))
+ (setq arg-lo 0e0 arg-lo-val arg-lo))
(when (and arg-hi (zerop arg-hi-val) (floatp arg-hi-val) (consp arg-hi)
(plusp (float-sign arg-hi-val)))
(compiler-notify "float zero bound ~S not correctly canonicalized?" arg-hi)
- (setq arg-hi `(,(ecase *read-default-float-format*
- (double-float (load-time-value (make-unportable-float :double-float-negative-zero)))
- #!+long-float
- (long-float (load-time-value (make-unportable-float :long-float-negative-zero)))))
- arg-hi-val (ecase *read-default-float-format*
- (double-float (load-time-value (make-unportable-float :double-float-negative-zero)))
- #!+long-float
- (long-float (load-time-value (make-unportable-float :long-float-negative-zero))))))
- (and (or (null domain-low)
- (and arg-lo (>= arg-lo-val domain-low)
- (not (and (zerop domain-low) (floatp domain-low)
- (plusp (float-sign domain-low))
- (zerop arg-lo-val) (floatp arg-lo-val)
- (if (consp arg-lo)
- (plusp (float-sign arg-lo-val))
- (minusp (float-sign arg-lo-val)))))))
- (or (null domain-high)
- (and arg-hi (<= arg-hi-val domain-high)
- (not (and (zerop domain-high) (floatp domain-high)
- (minusp (float-sign domain-high))
- (zerop arg-hi-val) (floatp arg-hi-val)
- (if (consp arg-hi)
- (minusp (float-sign arg-hi-val))
- (plusp (float-sign arg-hi-val))))))))))
+ (setq arg-hi (ecase *read-default-float-format*
+ (double-float (load-time-value (make-unportable-float :double-float-negative-zero)))
+ #!+long-float
+ (long-float (load-time-value (make-unportable-float :long-float-negative-zero))))
+ arg-hi-val arg-hi))
+ (flet ((fp-neg-zero-p (f) ; Is F -0.0?
+ (and (floatp f) (zerop f) (minusp (float-sign f))))
+ (fp-pos-zero-p (f) ; Is F +0.0?
+ (and (floatp f) (zerop f) (plusp (float-sign f)))))
+ (and (or (null domain-low)
+ (and arg-lo (>= arg-lo-val domain-low)
+ (not (and (fp-pos-zero-p domain-low)
+ (fp-neg-zero-p arg-lo)))))
+ (or (null domain-high)
+ (and arg-hi (<= arg-hi-val domain-high)
+ (not (and (fp-neg-zero-p domain-high)
+ (fp-pos-zero-p arg-hi)))))))))
(eval-when (:compile-toplevel :execute)
(setf *read-default-float-format* 'single-float))
;;; have too much roundoff. Thus we have to do it the hard way.
(defun safe-expt (x y)
(handler-case
- (expt x y)
+ (when (< (abs y) 10000)
+ (expt x y))
(error ()
nil)))
;;; Handle the case when x >= 1.
(defun interval-expt-> (x y)
(case (sb!c::interval-range-info y 0d0)
- ('+
+ (+
;; Y is positive and log X >= 0. The range of exp(y * log(x)) is
;; obviously non-negative. We just have to be careful for
;; infinite bounds (given by nil).
(hi (safe-expt (type-bound-number (sb!c::interval-high x))
(type-bound-number (sb!c::interval-high y)))))
(list (sb!c::make-interval :low (or lo 1) :high hi))))
- ('-
+ (-
;; Y is negative and log x >= 0. The range of exp(y * log(x)) is
;; obviously [0, 1]. However, underflow (nil) means 0 is the
;; result.
;;; Handle the case when x <= 1
(defun interval-expt-< (x y)
(case (sb!c::interval-range-info x 0d0)
- ('+
+ (+
;; The case of 0 <= x <= 1 is easy
(case (sb!c::interval-range-info y)
- ('+
+ (+
;; Y is positive and log X <= 0. The range of exp(y * log(x)) is
;; obviously [0, 1]. We just have to be careful for infinite bounds
;; (given by nil).
(hi (safe-expt (type-bound-number (sb!c::interval-high x))
(type-bound-number (sb!c::interval-low y)))))
(list (sb!c::make-interval :low (or lo 0) :high (or hi 1)))))
- ('-
+ (-
;; Y is negative and log x <= 0. The range of exp(y * log(x)) is
;; obviously [1, inf].
(let ((hi (safe-expt (type-bound-number (sb!c::interval-low x))
(sb!c::interval-split 0 y t)
(list (interval-expt-< x y-)
(interval-expt-< x y+))))))
- ('-
+ (-
;; The case where x <= 0. Y MUST be an INTEGER for this to work!
;; The calling function must insure this! For now we'll just
;; return the appropriate unbounded float type.
;;; Compute bounds for (expt x y).
(defun interval-expt (x y)
(case (interval-range-info x 1)
- ('+
+ (+
;; X >= 1
(interval-expt-> x y))
- ('-
+ (-
;; X <= 1
(interval-expt-< x y))
(t
(bound-type (or format 'float)))
(cond ((numeric-type-real-p arg)
(case (interval-range-info (numeric-type->interval arg) 0.0)
- ('+
+ (+
;; The number is positive, so the phase is 0.
(make-numeric-type :class 'float
:format format
:complexp :real
:low (coerce 0 bound-type)
:high (coerce 0 bound-type)))
- ('-
+ (-
;; The number is always negative, so the phase is pi.
(make-numeric-type :class 'float
:format format
;;; FIXME: ANSI allows any subtype of REAL for the components of COMPLEX.
;;; So what if the input type is (COMPLEX (SINGLE-FLOAT 0 1))?
(defoptimizer (conjugate derive-type) ((num))
- (continuation-type num))
+ (lvar-type num))
(defoptimizer (cis derive-type) ((num))
(one-arg-derive-type num
projects / sbcl.git / blobdiff