Yes: _. in an argument here should signal a NaN error.
Thanks, -- Raul On Fri, May 6, 2022 at 7:15 AM Elijah Stone <elro...@elronnd.net> wrote: > > _. may give garbage results. It shouldn't hang. > > On Fri, 6 May 2022, Razetime wrote: > > > Although this does not seem like intended behaviour, it is worth mentioning > > that NuVoc <https://code.jsoftware.com/wiki/Vocabulary/underdot> explicitly > > states that _. is not recommended for use in J computations. > > > > On Fri, May 6, 2022 at 4:30 PM <jph.but...@mailoo.org> wrote: > > > >> Hello, > >> > >> > >> > >> _. does not mix well with logical operators. The following hang and use a > >> lot of CPU on J 9.03 (Windows and Linux): > >> > >> > >> > >> 1 +. _. > >> > >> 1 *. _. > >> > >> +. / 8 0 _. > >> > >> > >> > >> Note, that I have no particular use for these sentences, I just stumbled > >> across them due to a bug in my program. > >> > >> > >> > >> Philip > >> > >> > >> > >> > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > >> > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
