def horner_zero

bend-osdev-gf@0.1.1.0 · PROOF.bend:457

import Base
import bend-osdev-gf@0.1.1.0/gf.bend as G

457def horner_zero(ts: List<&2, Bool>, +p: G.Gf8Bits) -> {G.Gf8Bits.horner(ts, G.Gf8Bits.zero(), G.Gf8Bits.zero(), p) == G.Gf8Bits.zero() : G.Gf8Bits}:
458  match ts:
459    case Nil{}:
460      {==}
461    case Con{+t, rest}:
462      %Equal.sym(G.Gf8Bits, G.Gf8Bits.step(t, G.Gf8Bits.zero(), G.Gf8Bits.zero(), p), G.Gf8Bits.zero(), step_zero(t, p)) : {G.Gf8Bits.horner(rest, _, G.Gf8Bits.zero(), p) == G.Gf8Bits.zero() : G.Gf8Bits}
463      horner_zero(rest, p)