p:

[P Padil]

Was experimenting with the subject primitive (p:). Noted that for most x arguments it accepts an array for the y argument, except for _4. Was wondering why the restriction for _4? (I couldn’t get it to work with “(1 0) or _4&p:”0 etc., but perhaps I also missed the memo on this one.)

Regards
Pete

Engine: j9.6.0-beta5/j64arm/darwin
Build: commercial/2024-04-11T16:58:49/clang-14-0-0/SLEEF=1
Library: 9.6.5
Platform: Darwin 64
Installer: j9.6 install

[Raul Miller]

I'm note quite sure what you're seeing:

_4 p: 10+i.10
7 7 11 11 13 13 13 13 17 17

--
Raul

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[Michael Day]

OK for me, too, under Windows 11.

JVERSION
Engine: j9.6.0-beta5/j64avx2/windows
Build: commercial/2024-04-11T17:02:24/clang-16-0-6/SLEEF=1
Library: 9.6.5
Qt IDE: 2.5.2/6.5.3(6.5.3)
OS Ver: Windows 11 Version 22H2 10.0.22621
Platform: Win 64
Installer: j9.6 install
InstallPath: c:/d/j9.6
Contact: www.jsoftware.com
   
   4 p: 10 11 12 13
11 13 13 17
   _4 p: 10 11 12 13
7 7 11 11
  
Mike

[P Padil]

I found it - duh - the vectors my code generated have a 2 or lower number and, of course, there is no prime less than 2, so an error was appropriate for the _4 while the others will work. My bad. Thanks.