def csg

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/curve25519/freeze.bend:68

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/curve25519/field.bend as F

68def csg(+x: List<&2, U32>, +cp: List<&2, U32>) -> List<&2, U32>:
69  F.csub_fin(F.carry(F.addl(x, cp), 0), x)