On Thu, Nov 10, 2022 at 5:25 AM James Cloos <cl...@jhcloos.com> wrote:
> >>>>> "RD" == Robert Dodier <robert.dod...@gmail.com> writes: > > >> >(setq b (- a) c (- a a)) > >> #<-nan> > > RD> Minor wart here -- should be #<nan>, NaN doesn't have a sign. > > they do at the hw level (per ieee754). I stand corrected -- I was thinking the sign bit is always 1; actually it can be either 0 or 1. best Robert
