goertzel example

[mipac]

Hi, could someone give me an example of goertzel expression usage?

with my best regards,

[gouruyuan]

me too

[dancazarin]

Here is a short example:

using namespace kfr;
complex<float> result; 
process(goertzel(result, 0.1 /* omega */), input_vector_or_expression); 
// goertzel's destructor writes computed value to `result`