def mm_big
import bend-collections@1.0.0.0/src/math/w64.bend as W64import Base
import bend-collections@1.0.0.0/src/math/u64.bend as W
411def mm_big(+m: W.U64, p: W.U64 & W.U64) -> W.U64:
412 (+pl, +ph) = p
413 red96(red96(ph, hi(pl), m), lo(pl), m)