Hi Elias,
you cannot define a niladic function with axis because you could not
call it.
There is no reduction pattern defined for that - not in ISO and not in
IBM APL2.
N[X] computes N and then indexes it with X and does not call N with axis X.
The other problem was a missing check for valid function headers - *{ ⍶ χ }*
would be a niladic operator (which also does not exist). SVN 396 now issues
a syntax error when you try to define it.
/// Jürgen
On 07/25/2014 07:47 AM, Elias Mårtenson wrote:
I'm getting an error declaring a nihilic operator that has an index
parameter using ⎕FX:
* ⎕FX 'Z←(OP F)[V]' "OP V"*
1
When I declare it using the lambda format, the declaration works but
trying to call it gives an error. Trying to call it without the index
parameter (but with a normal parameter) causes a crash:
* FF ← { ⍶ χ }*
* -FF[10]*
SYNTAX ERROR
* -FF 10*
====================================================
SEGMENTATION FAULT
----------------------------------------
-- Stack trace at main.cc:140
----------------------------------------
0xa @@@@
0xa @@@@
0xa @@@@
0xa @@@@
0xa @@@@
0xa @@@@
0xa @@@@
0xa @@@@
0xa @@@@
0xa @@@@
0x0 @@@@
0x0 @@@@
0xa @@@@
========================================
====================================================
Regards,
Elias
