[PD] Pd-list Digest, Vol 184, Issue 36

[Shahrokh Yadegari]

Hi Julian,

I think this is a bug in expr code. Incidentally I just recently noticed it
as well. I have not had a chance to find the bug yet, but as a work around
if you add spaces before and after the variables that have the $0, your
patch should open fine.  I am listing your patch below which I edited
accordingly and it opens fine. Let me know if you are still seeing a
problem.

Cheers,
Shahrokh

#N canvas 950 538 450 300 12;

#N canvas 961 878 744 300 something 1;

#X floatatom 302 68 5 0 0 0 - - -;

#X floatatom 517 67 5 0 0 0 - - -;

#X obj 67 35 inlet~;

#X obj 87 98 fexpr~ if((CR_\$0 > HT_\$0) \, CG_\$0 = $f3* CG_\$0 + (1-$f3)*$
x1 \, 0) \; if((CA_\$0 > HT_\$0) \, CG_\$0 = $f2* CG_\$0 + (1-$f2)*$x1 \,

0), f 62;

#X connect 0 0 3 1;

#X connect 1 0 3 2;

#X connect 2 0 3 0;

#X restore 88 89 pd something;

#X obj 250 59 v CG_\$0;

#X obj 83 46 noise~;

#X obj 252 95 v CA_\$0;

#X obj 248 131 v CR_\$0;

#X connect 2 0 0 0;







On Sun, Jul 19, 2020 at 5:08 PM <pd-list-request at lists.iem.at> wrote:

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>    1. fexpr and dollar zero weirdness (Julián Villegas)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Mon, 20 Jul 2020 08:57:24 +0900
> From: Julián Villegas <villegas.julian at gmail.com>
> To: pd-list at lists.iem.at
> Subject: [PD] fexpr and dollar zero weirdness
> Message-ID: <E5F4A1BC-CDD9-4950-B20A-E4371A6E6D1B at gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi list,
>
> I have a program that uses [fexpr~] and values ending in $0, similar to
> the program in the attachment.
> When I create the program, it works just as intended. I then save it and
> close Pd, but when I open the program again some of the “$0" are replaced
> by “_\$0” breaking the program (as in the pdf I’m also sending, but I’m not
> sure if you would be able to see it). I can easily edit it again, but every
> time I reopen the program I have to do the same.
>
> I’m using Pd 0.51.0 on macOS 10.15.5 (Catalina). Am I doing something
> wrong? is this a bug?
>
> Additionally, I also have problems when open programs in two different
> screens: I connect my laptop to a larger screen since my eyes are not so
> good anymore. If I edit the program in the large screen and save it, next
> time I try to open it, Pd crashes even before opening the patch.
> By reading the Pd patch on a text editor, I have detected that this is
> caused by negative coordinates given to the canvas. I can easily change
> those by “0” and the program opens again correctly. Is this something I
> should report as a bug? the thing is that I don’t have a reproducible
> examples and I think this is highly dependent on the screen setup. However,
> may be making sure that canvases are not saved with negative coordinates
> could fix the problem.
>
>
> Thank you for your advice,
>
>
> Julian.
>
>
>
>
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-- 
Shahrokh Yadegari
Professor, Music Department
University of California, San Diego
Director, Sonic Arts R&D and IDEAS
Qualcomm Institute
Email: sdy at ucsd.edu
Web: http://yadegari.org
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