fact: Definition Z_of_large_nat (n : large_nat) : Z := match n with | large_nat_N n => Z.of_N n | large_nat_uint n => Z.of_num_uint n end.
imports: elpi(elpi) Coq(QArith) Coq.micromega(OrderedRing RingMicromega) mathcomp(all_ssreflect ssralg ssrnum ssrint) mathcomp.zify(ssrZ zify)