proposition: Lemma size_zprimitive p : size (zprimitive p) = size p.
proof: Proof. have [-> | ] := eqVneq p 0; first by rewrite zprimitive0. by rewrite {1 3}[p]zpolyEprim scale_poly_eq0 => /norP[/size_scale-> _]. Qed.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun eqtype ssrnat seq path) mathcomp(div choice fintype tuple finfun bigop prime order) mathcomp(ssralg poly ssrnum ssrint archimedean rat matrix) mathcomp(polydiv perm zmodp mxalgebra vector)