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23 #ifndef INCLUDED_FFT_GOERTZEL_FC_IMPL_H
24 #define INCLUDED_FFT_GOERTZEL_FC_IMPL_H
45 void set_freq(
float freq);
46 void set_rate(
int rate);
48 float freq() {
return d_freq; }
49 int rate() {
return d_rate; }
51 int work(
int noutput_items,