(** Conversion from integers and change of format *)

(* Specifications: *)
Theorem Bconv_BofZ:
forall conv_nan n,
integer_representable prec1 emax1 n ->
Bconv conv_nan mode_NE (BofZ prec1 emax1 _ Hmax1 n) = BofZ prec2 emax2 _ Hmax2 n.