Re: /⍨

[Dr . Jürgen Sauermann]

Hi Peter,

thanks, good idea. I will do so.

Best Regards,
Jürgen


On 6/7/22 7:39 PM, Peter Teeson wrote:
> Hi Jurgen:
>
> If it’s not already there please add the debugging tips you give below 
> as an item to the documentation.
>
> respect….
>
> Peter
>
> > On Jun 7, 2022, at 12:56 PM, Dr. Jürgen Sauermann 
> > <mail@xn--jrgen-sauermann-zvb.de 
> > <mailto:mail@xn--jrgen-sauermann-zvb.de>> wrote:
> >
> > Hi Hudson,
> >
> > I believe that I fixed the double execution for executable scripts,
> > Looks like the OS handles executable scripts differently than
> > non-executable ones. *SVN 1560*.
> >
> > The F ← {⍵ × (?⍨⍵) ,¨ ⍳⍵} bug is something that I cannot reproduce.
> > I wonder if it happens always or lnly sometimes. I have some suggestions
> > for you and others that make my life easier:
> >
> > * run "*make develop*" in the top-level directory.
> >
> > That enables some more internal checks that may be useful for 
> > troubleshooting.
> > Most importantly it enables dynamic logging.
> >
> > * run *"make apl.lines"* in the *src* directory,
> >
> > That makes GNU APL's stack traces more readable, i.e.whowing  line 
> > numbers rather
> > than hex addresses. After that only use the apl binary in the src 
> > directory.
> >
> > * do "ulimit -c unlimited" go get a core file when apl crashes silently,
> >
> > It does not hurt and after that you can "gdb ./apl core" to obtain 
> > more information
> > about where a fault has occured (gdb command *bt*)
> >
> > * in apl: do
> >
> > *      ]log 25**
> > **      ]log 26*
> >
> > That gives more details about where APL errors were thrown. In 
> > particular with
> > your function F because I cannot quite see why it would give a 
> > *DOMAIN ERROR* at all
> > and therefore the location where that happens would be interesting.
> >
> > Thanks,
> > Jürgen
> >
> >
> > On 6/6/22 7:32 PM, hudson@hudsonlacerda.com wrote:
> > > Hi Jürgen,
> > >
> > > ----- Dr. Jürgen Sauermann &amp;lt;mail@jürgen-sauermann.de  
> > > <mailto:mail@xn--jrgen-sauermann-zvb.de>&amp;gt; escreveu:
> > > [...]
> > > &amp;gt; Thanks. I believe this is a compiler error (which does not happen with
> > > &amp;gt; mine -
> > > &amp;gt; g++ (Ubuntu 9.4.0-1ubuntu1~18.04) 9.4.0).
> > > [….]
> > >
> > > Here it is:
> > >    g++ (Debian 11.3.0-3) 11.3.0
> > >
> > > ⌹2 is now fixed, but there are strange behaviours in other cases.
> > > Please see the attachments.
> > >
> > > Best,
> > > Hudson