def gt.fe
import bend-osdev-gf@0.1.1.0/proof_tab.bend as ProofTabimport Base
import bend-osdev-array@0.1.0.1/array.bend as A
import bend-osdev-gf@0.1.1.0/gf.bend as G
196# the exp fill's model: slot i (from slot k) holds gen^i
197def gt.fe(n: Nat, xs: List<&2, U32>, +f: G.Gf8Field, +k: Nat) -> List<&2, U32>:
198 match n:
199 case 0n:
200 xs
201 case 1n+j:
202 gt.fe(j, List.set(&2, U32, xs, A.Arrays.index(9n, U32.from_nat(k)), G.Gf8.exp(f, k)), f, 1n+k)