diff options
Diffstat (limited to 'kernel/conv_oracle.ml')
| -rw-r--r-- | kernel/conv_oracle.ml | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/kernel/conv_oracle.ml b/kernel/conv_oracle.ml index 3b01538b..ec2c334b 100644 --- a/kernel/conv_oracle.ml +++ b/kernel/conv_oracle.ml @@ -82,12 +82,17 @@ let fold_strategy f { var_opacity; cst_opacity; } accu = let get_transp_state { var_trstate; cst_trstate } = (var_trstate, cst_trstate) (* Unfold the first constant only if it is "more transparent" than the - second one. In case of tie, expand the second one. *) + second one. In case of tie, use the recommended default. *) let oracle_order f o l2r k1 k2 = match get_strategy o f k1, get_strategy o f k2 with - | Expand, _ -> true - | Level n1, Opaque -> true - | Level n1, Level n2 -> n1 < n2 - | _ -> l2r (* use recommended default *) + | Expand, Expand -> l2r + | Expand, (Opaque | Level _) -> true + | (Opaque | Level _), Expand -> false + | Opaque, Opaque -> l2r + | Level _, Opaque -> true + | Opaque, Level _ -> false + | Level n1, Level n2 -> + if Int.equal n1 n2 then l2r + else n1 < n2 let get_strategy o = get_strategy o (fun x -> x) |