shithub: aubio

Info  •  Files  •  Log  •  Branches

tests/src/spectral/test-fft.c: quieten and clarify

--- a/tests/src/spectral/test-fft.c

+++ b/tests/src/spectral/test-fft.c

@@ -2,7 +2,8 @@

 int main (void)

 {

-  uint_t win_s = 8; // window size

+  uint_t i, n_iters = 100; // number of iterations

+  uint_t win_s = 500; // window size

   fvec_t * in = new_fvec (win_s); // input buffer

   cvec_t * fftgrain = new_cvec (win_s); // fft norm and phase

   fvec_t * out = new_fvec (win_s); // output buffer

@@ -18,17 +19,19 @@

   in->data[5] = 6;

   in->data[6] = 5;

   in->data[7] = 6;

-  fvec_print(in);

+  //fvec_print(in);

-  // execute stft

-  aubio_fft_do (fft,in,fftgrain);

-  cvec_print(fftgrain);

+  for (i = 0; i < n_iters; i++) {

+    // execute stft

+    aubio_fft_do (fft,in,fftgrain);

+    cvec_print(fftgrain);

-  // execute inverse fourier transform

-  aubio_fft_rdo(fft,fftgrain,out);

+    // execute inverse fourier transform

+    aubio_fft_rdo(fft,fftgrain,out);

+  }

   // cleam up

-  fvec_print(out);

+  //fvec_print(out);

   del_aubio_fft(fft);

   del_fvec(in);

   del_cvec(fftgrain);