Fixed eta_compare in the case Lam vs. Bot

[fireball-separation.git] / ocaml / num.ml

diff --git a/ocaml/num.ml b/ocaml/num.ml
index 1822e387386b87a54c725f8513d3e7de6085ab0f..aa9338c4c8d2d777fa45c5d0b74a85c376032dc7 100644 (file)
--- a/ocaml/num.ml
+++ b/ocaml/num.ml
@@ -295,8 +295,8 @@ let eta_compare x y =
   | `Pacman, `Pacman -> 0
   | `Lam _, `N _ -> -1
   | `N _, `Lam _ -> 1
-  | `Bottom, `Lam _
-  | `Lam _, `Bottom -> assert false (* TO BE UNDERSTOOD *)
+  | `Bottom, `Lam(_,t) -> -1
+  | `Lam(_,t), `Bottom ->  1
   | `Lam(_,t1), `Lam(_,t2) -> aux t1 t2
   | `Lam(_,t1), t2 -> - aux t1 (mk_app (lift 1 t2) (`Var(0,-666)))
   | t2, `Lam(_,t1) ->   aux t1 (mk_app (lift 1 t2) (`Var(0,-666)))