fact: Definition pow2_UP (p : precision) e := if sensible_format then scale2 (Float (mantissa_pos mantissa_one) exponent_zero) e else Fnan.
imports: Coq(ZArith Reals Lia Bool Psatz) Flocq(Zaux Raux Digits Bracket) mathcomp.ssreflect(ssrbool) Xreal Basic Generic Generic_proof Sig Specific_sig