def to_affine_z
import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/point.bend as Pointimport Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/field.bend as F
142def to_affine_z(+x: List<&2, Nat>, +y: List<&2, Nat>, +zi: List<&2, Nat>) -> Affine:
143 Affine{F.mul(x, zi), F.mul(y, zi)}