I had this exact same question when I looked at the RacketScript issue lol.
The answer is https://docs.racket-lang.org/reference/numbers.html: a complex number with an exact zero imaginary part is a real number. Since 0.0 is not exact, 0.0i is not a real number. On Fri, Nov 19, 2021 at 11:59 AM Stephen Chang <stchang...@gmail.com> wrote: > In the following, why is the first considered a real number but the > second considered not real > > > (real? 0.0+0i) > #t > > (real? 0.0+0.0i) > #f > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-users/CAFfiA1%2BYygGrLH2rtwby8AWg7Edyvq-tzmANTNypq5Rqd-eXFw%40mail.gmail.com > . > -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/CADcuegu2iBp3847QRgPcqzH4JoR%3DFpUXPf-n_G7xP1%3DWmfs85w%40mail.gmail.com.
