Hi Rich,
The standard library includes a function `ba.selectn
<https://faust.grame.fr/doc/libraries/#ba.selectn>` that lets you choose
from among parallel inputs at runtime. In your case, this would look like:
numCents = tuning : ba.selectn(numNotes, pc);
All best,
Cora
On Sun, Oct 18, 2020 at 12:02 PM Dario Sanfilippo <
sanfilippo.da...@gmail.com> wrote:
> Hello, Rich.
>
> I believe that the problem is the selector not being known at
> compile-time. I cannot think of any functions doing what you need in the
> Faust libraries, from the top of my head.
>
> For that, perhaps something like the example code below could be helpful:
>
> import("stdfaust.lib");
> testlist = (10, 20, 30, 40, 50);
> testsel = hslider("selector", 1, 1, 5, 1);
> router(sel, list) = list : par(i, ba.count(list), * (ba.if(sel == (i + 1),
> 1, 0)));
> process = router(testsel, testlist);
>
> Best,
> Dario
>
>
>
> On Sun, 18 Oct 2020 at 16:39, Rich Cochrane <rich.cochr...@bigi.org.uk>
> wrote:
>
>> Hello again,
>>
>> I'm working on some basic (micro)tuning code as part of the learning
>> process. I've hit a snag with something that's probably quite basic.
>>
>> I've implemented the tuning as an array of constant signals in parallel
>> and I'm using ba.take() to grab the appropriate one for the current note,
>> but it's failing at compile time with a "pattern matching error" that I'm
>> struggling to interpret. Google searches suggest other people have run into
>> the same problem but none of them seemed to contain a solution.
>>
>> A minimal (non-)working example is attached -- would anyone be kind
>> enough to have a quick look and see if they can spot what's wrong? I've
>> added comments indicating the key lines.
>>
>> Cheers,
>>
>> Rich
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>> Faudiostream-users@lists.sourceforge.net
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