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(*         *      The Rocq Prover / The Rocq Development Team           *)
(*  v      *         Copyright INRIA, CNRS and contributors             *)
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(*         *     GNU Lesser General Public License Version 2.1          *)
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(** * DecimalZ  Proofs that conversions between decimal numbers and [Z] are bijections. *)

Lemma nztail_to_uint_pow10 n :
Decimal.nztail (Pos.to_uint (Nat.iter n (Pos.mul 10) 1%positive))
= (D1 Nil, n).