On 08/26, Yann Orlarey wrote:
>
> I published the version with the 'any' patch.
Great, thanks Yann!
can I suggest another patch then?
With this patch par(i, 0, whatever) has zero inputs and zero outputs,
just like "0:!". To me this looks usefull, and I do remember someone
else on faudiostream-users wanted this feauture, but I can not recall
who and when.
If nothing else, lets look at fi.filterbank,
filterbank(O,lfreqs) = an.analyzer(O,lfreqs) : delayeq(nb)
with {
nb = ba.count(lfreqs);
fc(n) = ba.take(n, lfreqs);
ap(n) = highpass_plus_lowpass(O,fc(n));
delayeq(1) = _,_; // par(i,0,...) does not fly
delayeq(nb) = par(i,nb-1,apchain(nb-1-i)),_,_;
apchain(0) = _;
apchain(i) = ap(i) : apchain(i-1);
};
note the "does not fly" comment above. With this patch delayeq(1)
doesn't need a special handling.
Oleg.
---
diff --git a/compiler/evaluate/eval.cpp b/compiler/evaluate/eval.cpp
index 632616c2e..e19638377 100644
--- a/compiler/evaluate/eval.cpp
+++ b/compiler/evaluate/eval.cpp
@@ -904,7 +904,7 @@ static string evalLabel(const char* src, Tree visited, Tree
localValEnv)
static Tree iteratePar(Tree id, int num, Tree body, Tree visited, Tree
localValEnv)
{
if (num == 0) {
- evalerror(yyfilename, -1, "iteratePar called with 0 iteration", id);
+ return boxRoute(boxInt(0), boxInt(0), boxPar(boxInt(0), boxInt(0)));
}
Tree res = eval(body, visited, pushValueDef(id, tree(num - 1),
localValEnv));
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