proposition: Fact fieldExt_hornerZ : scalable fieldExt_horner.
proof: Proof. move=> a p; rewrite -mul_polyC rmorphM /= fieldExt_hornerC. by rewrite -scalerAl mul1r. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq div) mathcomp(choice fintype tuple finfun bigop ssralg countalg) mathcomp(finalg zmodp matrix vector falgebra poly polydiv) mathcomp(mxpoly generic_quotient)