I thought that it would be useful for something like what you see below.
Those are some of the frequency-dependent coefficients of the ISO226
equal-loudness curves, but really I mostly wanted to better understand
pattern matching.
Cheers,
Dario
import("stdfaust.lib");
ifthenelse(cond,then,else) = ceil(cond) , else , then : select2;
ifthenelseif((c, t, e)) = ifthenelse(c, t, ifthenelseif(e));
ifthenelseif(e) = e;
a_f(f) = ifthenelseif(( f < 25, .532,
f < 31.5, .506,
f < 40, .480,
f < 50, .455,
f < 63, .432,
f < 80, .409,
f < 100, .387,
f < 125, .367,
f < 160, .349,
f < 200, .330,
f < 250, .315,
f < 315, .301,
f < 400, .288,
f < 500, .286,
f < 630, .267,
f < 800, .259,
f < 1000, .253,
.250));
process = a_f(hslider("f", 0, 0, 1000, 1));
On Wed, 20 May 2020 at 15:08, Oleg Nesterov <o...@redhat.com> wrote:
> On 05/20, Dario Sanfilippo wrote:
> >
> > Was there already something like that
>
> not that I'm aware of,
>
> > or was there a simpler way of doing
> > it?
>
> Sorry, I don't understand... doing what??
>
> why do you want this helper?
>
> Oleg.
>
>
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