On 08/27, Julius Smith wrote:
>
> > note that atan2(fTemp0, fTemp0) == %pi/4
>
> That's only true if fTemp0 is positive.
> For negative fTemp0, it's 5 * %pi / 4, or - 3 * %pi / 4, depending on your
> choice of domain.
Yes, and if fTemp0 == 0 then atan2() is undefined.
And this means that the recent faust commit 26537a42f0fe55c7d471c is wrong,
process = _ <: atan2;
outputs
output0[i0] = FAUSTFLOAT(0.7853982f);
Yes, sorry for confusion, I just tried to explain how it can be used in the
pure faust code, and didn't even think about correctness.
But let me repeat:
> I didn't even think about optimizing sigBinOp's. I used atan2
> only for illustration and as a trivial test-case.
Oleg.
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