[PD] Vanilla replacement for tanh~

[i go bananas]

there's a good approximation for tanh that can be made using just a couple
of simple arithmetic objects:

formula is:  tanh(x) ~= x*(27+x*x) / (27+9*x*x)

it's close enough for every application i've ever come across, it's cheap
cos it only uses simple arithmetic, and it doesn't degrade the resolution
of your signal like a table lookup does.



On Fri, Jul 3, 2015 at 12:56 PM, Chris McCormick <chris at mccormick.cx> wrote:

> On 03/07/15 03:06, Pagano, Patrick wrote:
> > Is there a way i can replace something for tanh~
> > and inits in Vanilla 46?
>
> Using a pre-computed table for speed:
>
> https://github.com/chr15m/blockhead/blob/master/e_tanh.pd
> https://github.com/chr15m/blockhead/blob/master/e_tanh-help.pd
>
> Or install "blockhead" using deken. :)
>
> Cheers,
>
> Chris.
>
> --
> http://mccormick.cx/
>
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