proposition: Lemma B2SF_B2BSN : forall x, BinarySingleNaN.B2SF (B2BSN x) = B2SF x.
proof: Proof. now intros [sx|sx|sx px Px|sx mx ex Bx]. Qed.
imports: Coq(ZArith Reals Psatz SpecFloat) Core Round Bracket Operations Div Sqrt Relative BinarySingleNaN