[PD] efficient approximation of trig functions for hi pass formula (was: could vanilla borrow iemlib's hi pass filter recipe?)

[IOhannes m zmölnig]

On 10/19/2016 11:40 PM, Christof Ressi wrote:
> I guess, you can't change the cutoff frequency so often that the CPU cost will actually matter. But maybe I'm wrong... 

well, the perform routing will be called *at most* for each block (which
can be 1 sample when running with [block~ 1])

the cutoff frequency will be changed whenever you send a message, which
can be much ... more often, [until] somebody fixes your patch.

fmar
IOhannes

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