ref: 0d434df5868fcf0f3cacfc22b6ddfc8355a18cd6
dir: /tests/src/test-fft.c/
#include <aubio.h>
int main(){
/* allocate some memory */
uint_t win_s = 8; /* window size */
uint_t channels = 1; /* number of channels */
fvec_t * in = new_fvec (win_s, channels); /* input buffer */
cvec_t * fftgrain = new_cvec (win_s, channels); /* fft norm and phase */
fvec_t * out = new_fvec (win_s, channels); /* output buffer */
in->data[0][0] = 1;
in->data[0][1] = 2;
in->data[0][2] = 3;
in->data[0][3] = 4;
in->data[0][4] = 5;
in->data[0][5] = 6;
in->data[0][6] = 5;
in->data[0][7] = 6;
/* allocate fft and other memory space */
aubio_fft_t * fft = new_aubio_fft(win_s,channels);
/* fill input with some data */
fvec_print(in);
/* execute stft */
aubio_fft_do (fft,in,fftgrain);
cvec_print(fftgrain);
/* execute inverse fourier transform */
aubio_fft_rdo(fft,fftgrain,out);
fvec_print(out);
del_aubio_fft(fft);
del_fvec(in);
del_cvec(fftgrain);
del_fvec(out);
aubio_cleanup();
return 0;
}