>>>>> "P" == PR <pls.153 at protonmail.com> writes: P> I also noticed that setting: P> (si::trap-fpe t nil) P> changes the result to: P> (log #c(0 1) #c(0 -1)) P> #C(#<single-float quiet NaN> #<single-float quiet NaN>) ah. interesting. thanks. i hadn't thought to test that. -JimC -- James Cloos <cloos at jhcloos.com> OpenPGP: 0x997A9F17ED7DAEA6