summaryrefslogtreecommitdiff
path: root/plugins/nsatz/Nsatz.v
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/nsatz/Nsatz.v')
-rw-r--r--plugins/nsatz/Nsatz.v21
1 files changed, 14 insertions, 7 deletions
diff --git a/plugins/nsatz/Nsatz.v b/plugins/nsatz/Nsatz.v
index b11d15e5..c5a09d67 100644
--- a/plugins/nsatz/Nsatz.v
+++ b/plugins/nsatz/Nsatz.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(*
@@ -28,6 +30,7 @@ Require Export Ncring_initial.
Require Export Ncring_tac.
Require Export Integral_domain.
Require Import DiscrR.
+Require Import ZArith.
Declare ML Module "nsatz_plugin".
@@ -54,9 +57,8 @@ simpl. simpl; cring.
Qed.
(* adpatation du code de Benjamin aux setoides *)
-Require Import ZArith.
-Require Export Ring_polynom.
-Require Export InitialRing.
+Export Ring_polynom.
+Export InitialRing.
Definition PolZ := Pol Z.
Definition PEZ := PExpr Z.
@@ -462,6 +464,11 @@ try (try apply Rsth;
exact Rplus_opp_r.
Defined.
+Class can_compute_Z (z : Z) := dummy_can_compute_Z : True.
+Hint Extern 0 (can_compute_Z ?v) =>
+ match isZcst v with true => exact I end : typeclass_instances.
+Instance reify_IZR z lvar {_ : can_compute_Z z} : reify (PEc z) lvar (IZR z).
+
Lemma R_one_zero: 1%R <> 0%R.
discrR.
Qed.