Adverse :: is a conjunction that initiates an alternative verb if there is an error. https://www.jsoftware.com/help/dictionary/d312.htm
Cheers, bob > On Aug 20, 2020, at 14:47, 'Bo Jacoby' via Programming > <[email protected]> wrote: > > Wow, it works! I don't know why, but I'll find out. Thanks a lot! Bo. > > > > Den torsdag den 20. august 2020 23.25.56 CEST skrev 'Pascal Jasmin' via > Programming <[email protected]>: > > x: ::] 1j2 > > 1j2 > > > > > > > On Thursday, August 20, 2020, 05:23:40 p.m. EDT, 'Bo Jacoby' via Programming > <[email protected]> wrote: > > > > > > Hello friends. > x: 1e8 NB. improves precision > 100000000 > > x: x: 1e8 NB. doesn't improve precision further but does no harm either > 100000000 > > x: 1j2 NB. does harm > |domain error > > | x:1j2 > > > > I need a function f that works as x: except that f 1j2 should evaluate to > 1j2 rather than issue an error message. > How is that done? > Thanks. > Bo. > ---------------------------------------------------------------------- > 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
