Function dlog_vec_add_precomp 

pub unsafe extern "C" fn dlog_vec_add_precomp(
    v: *mut ulong,
    nv: ulong,
    pre: *mut dlog_precomp_struct,
    a: ulong,
    va: ulong,
    mod_: nmod_t,
    na: ulong,
    order: nmod_t,
)