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-rw-r--r--src/constraint.mli4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/constraint.mli b/src/constraint.mli
index 89f2c625..2111a4e3 100644
--- a/src/constraint.mli
+++ b/src/constraint.mli
@@ -48,6 +48,8 @@
(* SUCH DAMAGE. *)
(**************************************************************************)
+module Big_int = Nat_big_num
+
type nexp
type t
@@ -80,5 +82,5 @@ val sub : nexp -> nexp -> nexp
val mult : nexp -> nexp -> nexp
val app : string -> nexp list -> nexp
-val constant : Big_int.big_int -> nexp
+val constant : Big_int.num -> nexp
val variable : int -> nexp