\f
;;;; coercions
-(defknown %single-float (real) single-float (movable foldable flushable))
-(defknown %double-float (real) double-float (movable foldable flushable))
+(defknown %single-float (real) single-float (movable foldable))
+(defknown %double-float (real) double-float (movable foldable))
(deftransform float ((n f) (* single-float) *)
'(%single-float n))
(specifier-type `(,',type ,(or lo '*) ,(or hi '*)))))
(defoptimizer (,fun derive-type) ((num))
- (one-arg-derive-type num #',aux-name #',fun))))))
+ (handler-case
+ (one-arg-derive-type num #',aux-name #',fun)
+ (type-error ()
+ nil)))))))
(frob %single-float single-float
most-negative-single-float most-positive-single-float)
(frob %double-float double-float