Function ca_mat_fflu 

pub unsafe extern "C" fn ca_mat_fflu(
    rank: *mut slong,
    P: *mut slong,
    LU: *mut ca_mat_struct,
    den: *mut ca_struct,
    A: *const ca_mat_struct,
    rank_check: c_int,
    ctx: *mut ca_ctx_struct,
) -> c_int