proposition: Fact subfx_evalZ : scalable subfx_eval.
proof: Proof. by move=> a q; rewrite -mul_polyC rmorphM. 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)