Function concrete_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: c_int,
    flags: c_uint
) -> fftw_plan