#-(or linux hpux) #.(/ (asinh most-positive-double-float) 4d0)
;; This is more accurate under linux.
#+(or linux hpux) #.(/ (+ (log 2.0d0)
#-(or linux hpux) #.(/ (asinh most-positive-double-float) 4d0)
;; This is more accurate under linux.
#+(or linux hpux) #.(/ (+ (log 2.0d0)