fact: Definition Z_of_int (m : int) : Znp := match m with | Posz m => Zpos _ m | Negz m => Zneg _ (posS m) end.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat div seq) mathcomp(path choice fintype tuple finset bigop order) mathcomp(ssralg zmodp ssrnum ssrint) CoqEAL(hrel param refinements pos)