Function gsl_sys::gsl_fft_complex_transform

pub unsafe extern "C" fn gsl_fft_complex_transform(
    data: gsl_complex_packed_array, 
    stride: usize, 
    n: usize, 
    wavetable: *const gsl_fft_complex_wavetable, 
    work: *mut gsl_fft_complex_workspace, 
    sign: gsl_fft_direction
) -> c_int