Function fftw_sys::fftw_plan_guru64_dft

pub unsafe extern "C" fn fftw_plan_guru64_dft(
    rank: c_int, 
    dims: *const fftw_iodim64, 
    howmany_rank: c_int, 
    howmany_dims: *const fftw_iodim64, 
    in_: *mut fftw_complex, 
    out: *mut fftw_complex, 
    sign: i32, 
    flags: c_uint
) -> fftw_plan