proposition: Lemma tanner_split_tanner s : subrel (tanner_split s) (tanner_rel H).
proof: Proof. rewrite /subrel /tanner_split => x y; by case: ifP. Qed.
imports: Wf_nat Init.Wf Recdef Reals mathcomp(all_ssreflect perm zmodp matrix ssralg) mathcomp(Rstruct) ssrR Reals_ext ssr_ext ssralg_ext bigop_ext f2 fdist channel pproba linearcode subgraph_partition tanner tanner_partition summary ldpc checksum ldpc_algo