def add_over

bend-collections-laws-crypto@1.0.0.0 · src/math/w64.bend:66

import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/u64.bend as W

66# a + b >= 2^64
67def add_over(+a: W.U64, +b: W.U64) -> Bool:
68  add_over_fin(U32.add(hi(a), hi(b)), hi(a), U32.is_lt(U32.add(lo(a), lo(b)), lo(a)))