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