Hi Louis, I am not at all a J programmer, but I remember that in old APL the 'and' was purely boolean (giving a domain error as well if the arguments were not 0 or 1), but the ISO standard for extended APL then allowed non-boolean arguments as well (and the result is then the least common multiple (aka. LCM) of the arguments). I suppose that J is still behaving like the old APL for dyadic &. No idea, though what monadic & does in J, it seems to have a meaning there? Or was it the !!! that cause the error? One more reason to use APL. /// Jürgen On 04/27/2017 07:49 PM, Louis de
Forcrand wrote:
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- [Bug-apl] update for the help.def Alexey Veretennikov
- Re: [Bug-apl] update for the help.def enztec
- Re: [Bug-apl] update for the help.def Alexey Veretennikov
- Re: [Bug-apl] update for the help.def enztec
- Re: [Bug-apl] update for the help.def Juergen Sauermann
- Re: [Bug-apl] update for the hel... enztec
- Re: [Bug-apl] update for the... Kacper Gutowski
- Re: [Bug-apl] update for the... Juergen Sauermann
- Re: [Bug-apl] update for... Louis de Forcrand
- Re: [Bug-apl] update for... Peter Teeson
- Re: [Bug-apl] update for... Juergen Sauermann
- Re: [Bug-apl] update for... Louis de Forcrand
- Re: [Bug-apl] update for the help.def Juergen Sauermann
- Re: [Bug-apl] update for the help.def Juergen Sauermann