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-rw-r--r--src/lem_interp/interp_lib.lem6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/lem_interp/interp_lib.lem b/src/lem_interp/interp_lib.lem
index 9ee54b16..aca430cb 100644
--- a/src/lem_interp/interp_lib.lem
+++ b/src/lem_interp/interp_lib.lem
@@ -43,8 +43,10 @@ let rec fill_in_sparse v = match v with
end
let is_one v = match v with
- | V_lit (L_aux b lb) -> V_lit (L_aux (if b = L_one then L_true else L_false) lb)
- | V_track (V_lit (L_aux b lb)) r -> V_track (V_lit (L_aux (if b = L_one then L_true else L_false) lb)) r
+ | V_lit (L_aux (L_num n) lb) -> V_lit (L_aux (if n=1 then L_one else L_zero) lb)
+ | V_track (V_lit (L_aux (L_num n) lb)) r -> V_track (V_lit (L_aux (if n=1 then L_one else L_zero) lb)) r
+ | V_lit (L_aux b lb) -> V_lit (L_aux (if b = L_one then L_one else L_zero) lb)
+ | V_track (V_lit (L_aux b lb)) r -> V_track (V_lit (L_aux (if b = L_one then L_one else L_zero) lb)) r
| V_track V_unkown _ -> v
| V_unknown -> v
end ;;