fact: Record rndG_prop := { rndG_g : round_dir; rndG_f : R -> Z; rndG_eq : forall x, rndG rndG_g x = rndG_f x }.
imports: Coq(Decidable Bool ZArith Reals Lia) Flocq(Core Bracket Digits) Gappa_definitions Gappa_dyadic Gappa_round_def Gappa_round_aux