Re: Lambda recursions on the example of generating permutations

[Robin Haberkorn]

Hello Jürgen,

thank you. I can confirm that the fix works.

Best regards,
Robin

04.04.23 20:47, Dr. Jürgen Sauermann пишет:
> Hi Robin,
>
> yes it is. Fixed in *SVN 1675*.
>
> Windows files are rarely updated, for an up-to-date windows version:
>
> install cygwin,
> check out from SVN, then
> ./configure ; make ; sudo make install
>
> like in GNU/Linux.
>
> Best Regards,
> Jürgen
>
>
> On 4/4/23 14:20, Robin Haberkorn wrote:
> > Perm ← {(X/⍨⍺=+/¨X←(⊂2⍴⍨⍵)⊤¨⍳2*⍵) /¨ ⊂⍳⍵; X}
> >
> > Works on v1.8-1 (the Debian package), but NOT v1.8 for Windows 
> > (apl-1.8-windows.zip). Also it does not work on the SVN trunk!
> >
> > This version however works on the aforementioned versions:
> >
> > Perm ← {(X/⍨⍺=+/¨X←(⊂2⍴⍨⍵)⊤¨⍳2*⍵) {⍺/⍵}¨ ⊂⍳⍵; X}
> >
> > Which is clearly a bug.