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-rw-r--r--plugins/nsatz/nsatz.ml12
1 files changed, 7 insertions, 5 deletions
diff --git a/plugins/nsatz/nsatz.ml b/plugins/nsatz/nsatz.ml
index 632b9dac14..6ba4c0f930 100644
--- a/plugins/nsatz/nsatz.ml
+++ b/plugins/nsatz/nsatz.ml
@@ -134,8 +134,10 @@ let mul = function
| (Const n,q) when eq_num n num_1 -> q
| (p,q) -> Mul(p,q)
-let tpexpr =
- lazy (gen_constant "CC" ["setoid_ring";"Ring_polynom"] "PExpr")
+let gen_constant msg path s = Universes.constr_of_global @@
+ coq_reference msg path s
+
+let tpexpr = lazy (gen_constant "CC" ["setoid_ring";"Ring_polynom"] "PExpr")
let ttconst = lazy (gen_constant "CC" ["setoid_ring";"Ring_polynom"] "PEc")
let ttvar = lazy (gen_constant "CC" ["setoid_ring";"Ring_polynom"] "PEX")
let ttadd = lazy (gen_constant "CC" ["setoid_ring";"Ring_polynom"] "PEadd")
@@ -462,7 +464,7 @@ let theoremedeszeros_termes lp =
lexico:=true;
|7 -> sinfo "ordre lexico computation with sugar, division by pairs";
lexico:=true;
- | _ -> error "nsatz: bad parameter"
+ | _ -> user_err Pp.(str "nsatz: bad parameter")
);
let lvar = List.init nvars (fun i -> Printf.sprintf "x%i" (i + 1)) in
let lvar = ["a";"b";"c";"d";"e";"f";"g";"h";"i";"j";"k";"l";"m";"n";"o";"p";"q";"r";"s";"t";"u";"v";"w";"x";"y";"z"] @ lvar in
@@ -541,7 +543,7 @@ let nsatz lpol =
let return_term t =
let a =
- mkApp(gen_constant "CC" ["Init";"Logic"] "refl_equal",[|tllp ();t|]) in
+ mkApp(gen_constant "CC" ["Init";"Logic"] "eq_refl",[|tllp ();t|]) in
let a = EConstr.of_constr a in
generalize [a]
@@ -549,5 +551,5 @@ let nsatz_compute t =
let lpol =
try nsatz t
with Ideal.NotInIdeal ->
- error "nsatz cannot solve this problem" in
+ user_err Pp.(str "nsatz cannot solve this problem") in
return_term lpol