[PD] purepd atan2~ without expr/externals?

[Nicholas Mariette]

There are two approximations here:
http://www.dspguru.com/comp.dsp/tricks/alg/fxdatan2.htm

a rough implementation is attached.
I haven't listened to these yet though, so not sure how they sound.

Nick



> Hi,
>
> I'd like to use a signal [atan2~] in a Pd without externals nor
> [expr~] (i.e.  inn RjDj). Does anyone have a purepd implementation of
> it or maybe a pointer to some math/trigonometric
> identity/ln-substituion formula for atan2?
>
> Ciao
> --
>  Frank Barknecht            Do You RjDj.me?          _ ______footils.org__
>
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