Sorry for replying off-list earlier, Oleg. You're right that it could be useful for others too.
I see why the function that we discussed wouldn't work to output sets of values for each condition. (The others reading, see below.) I use the "ceil" function for the cond in "if" as I want _any_ non-zero value to result true, whereas ba.if gives false for any fractional condition < 1. I opened an issue about this but I think that fixing it, if bad behaviour (bad if thinking of C/C++, maybe), may break other code. The Slack and Discord Faust channels may be drawing attention away from the list. Perhaps we can suggest people to also post on the list besides the channels when there's an issue. Thanks again for your help, Dario On Wed, 20 May 2020 at 19:39, Oleg Nesterov <o...@redhat.com> wrote: > Hi Dario, > > Why offlist?? > > this discussion can be useful for someone else, plus other people could > help you. Not to mention this list is already almost dead, as if faust > has no users. > > On 05/20, Dario Sanfilippo wrote: > > Thanks, Oleg. > > > > I'm noticing that the function wouldn't work if we wanted to output a set > > of values for each condition instead of just one. > > Yes, this won't work. Faust's "lists" are very limited. > > I think the key problem is that faust discriminates ((a,b), (c,d)) > from (a,b,c,d), but ((a,b)) is always the same as (a,b) and the latter > obviously makes sense. > > that is why take(2, (whatever, (7,8,9))) doesn't work as you want, it > leads to take(1, ((7,8,9))) and this is the same as take(1, 7,8,9). > > Same for ifN below. > > In any case, > > > ifN((c, t, e)) = if(c, t, ifN(e)); > > ifN(e) = e; > > if(cond, then, else) = ceil(cond) , > > else , > > then : select2; > > I don't understand why do you complicate this and put "ceil" into the > new generic helper. > > Oleg. > >
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