Hi Hudson,
thanks for reporting your issues. I believe that I fixed (most of) them
in *SVN 1556*.
Regarding the ISO PDF file, it is mentioned below the link in
README-7-more-info
that the file needs to be unzipped.
Regarding *⌹{⍺+÷⍵}⍣1000⍨ 1* this works just fine on my machine:
* ⌹{⍺+÷⍵}⍣1000⍨ 1**
**0.6180339887**
*
If you can reproduce the fault, then please check with *gdb* (after
*make apl.lines*
in directory *src* as to get better line numbers in *gdb*).
Best Regards,
Jürgen
On 6/1/22 2:08 AM, hud...@hudsonlacerda.com wrote:
Hi Jürgen,
There are some APL implementations that accept the form /⍨ .
The GNU APL info manual had a section about the ambiguity of /⌿\⍀ , now
removed, it seems.
I collected some other issues I have with GNU APL (exceptions caused by user
errors and more).
See attachments. If you cannot replicate the exceptions, please tell me how to
try inspect them.
Thanks,
Hudson
----- Em 31 de Maio de 2022, em 17:02, Dr. Jürgen Sauermann
mail@jürgen-sauermann.de escreveu:
Hi Hudson,
I checked with IBM APL2.
Unfortunately my IBM APL2 has no ⍨ (aka. duplicate) operator.
But we can emulate it easily:
DUP ←{ ⍵ ⍶ ⍵ }
+ DUP 1 2 3
2 4 6
× DUP 1 2 3
1 4 9
In GNU APL, DUP gives the same result as ⍨:
/⍨1 2 3
SYNTAX ERROR
/⍨1 2 3
^^
/DUP 1 2 3
SYNTAX ERROR
/DUP 1 2 3
^^
However, in IBM APL2 I get the same (see attached screenshot),
The problem seems to be caused by the ambiguity of / and friends (i.e. ⌿, \, and
⍀ ).
You can work around this with a wrapper around /:
REPL←{ ⍺ / ⍵ } ⍝ disambiguates / to mean replicate and not reduce
3 REPL 1 2 3
1 1 1 2 2 2 3 3 3
REPL ⍨ 1 2 3
1 2 2 3 3 3
1 2 3 REPL 1 2 3 ⍝ same as REPL ⍨ 1 2 3
1 2 2 3 3 3
Best Regards,
Jürgen
On 5/31/22 2:18 AM, [ mailto:hud...@hudsonlacerda.com | hud...@hudsonlacerda.com
] wrote:
Hi.
I get "SYNTAX ERROR" messages for /⍨ or ⌿⍨ :
/⍨⍳3
⌿⍨⍳3
Regards,
Hudson
