Function bliss_audio_aubio_sys::aubio_fft_get_spectrum

pub unsafe extern "C" fn aubio_fft_get_spectrum(
    compspec: *const fvec_t,
    spectrum: *mut cvec_t
)

convert real/imag spectrum to norm/phas spectrum

\param compspec real/imag input fft array \param spectrum cvec norm/phas output array