fact: Definition pow_aux_rec (p : Z) (x : C.T) (_ : C.T) (n : nat) := if Z.ltb p Z0 || Z.geb p (Z.of_nat n) then C.power_int u x (p - Z.of_nat n)%Z else C.mask C.zero x.
imports: Coq(ZArith Reals) Flocq(Raux) mathcomp.ssreflect(ssreflect ssrfun ssrbool eqtype ssrnat seq fintype bigop) Interval Datatypes Basic_rec