proposition: Lemma node_tag_build h s {k} (i : ord_of_kind m n' k) : node_tag (build_tree_rec H rW h s k i) = tag_of_kind rW k i.
proof: Proof. by destruct h. 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