Synopsis

void                go_fourier_fft                      (go_complex const *in,
                                                         int n,
                                                         int skip,
                                                         go_complex **fourier,
                                                         gboolean inverse);
void                go_fourier_fftl                     (go_complexl const *in,
                                                         int n,
                                                         int skip,
                                                         go_complexl **fourier,
                                                         gboolean inverse);