parameter sintax added to axiom statement

[helm.git] / helm / software / components / ng_paramodulation / paramod.ml

diff --git a/helm/software/components/ng_paramodulation/paramod.ml b/helm/software/components/ng_paramodulation/paramod.ml
index de32ab5ddf8b7e0fe1b8984ed4bdad4e4d4c3970..86a964c1487f36a7f72deb0c8f2608f621ec2aac 100644 (file)
--- a/helm/software/components/ng_paramodulation/paramod.ml
+++ b/helm/software/components/ng_paramodulation/paramod.ml
@@ -202,6 +202,12 @@ module Paramod (B : Orderings.Blob) = struct
     else WeightPassiveSet.min_elt passives_w
   ;;
 
+  let mk_unit_clause bag maxvar (t,ty) =
+    let c, maxvar = Utils.mk_unit_clause maxvar (B.embed ty) (B.embed t) in
+    let bag, c = Terms.add_to_bag c bag in
+    (bag, maxvar), c
+  ;;
+
   let mk_clause bag maxvar (t,ty) =
     let (proof,ty) = B.saturate t ty in
     let c, maxvar = Utils.mk_unit_clause maxvar ty proof in
@@ -210,9 +216,11 @@ module Paramod (B : Orderings.Blob) = struct
   ;;
   
   let mk_passive (bag,maxvar) = mk_clause bag maxvar;;
+
   let mk_goal (bag,maxvar) = mk_clause bag maxvar;;
+
   let initialize_goal (bag,maxvar,actives,passives,_,_) t = 
-    let (bag,maxvar), g = mk_goal (bag,maxvar) t in
+    let (bag,maxvar), g = mk_unit_clause bag maxvar t in
     let g_passives = g_passive_empty_set in
     (* if the goal is not an equation we returns an empty
        passive set *)
@@ -268,7 +276,7 @@ module Paramod (B : Orderings.Blob) = struct
        (List.map Pp.pp_unit_clause actives_l)))
       ^ 
       ("Passives:" ^(String.concat ";\n" 
-        (List.map (fun _,cl -> Pp.pp_unit_clause cl)
+        (List.map (fun (_,cl) -> Pp.pp_unit_clause cl)
               (IDX.ClauseSet.elements wset))))
   ;;
 
@@ -287,7 +295,7 @@ module Paramod (B : Orderings.Blob) = struct
      * P' = P + new'          *)
     debug (lazy "Forward infer step...");
     debug (lazy("Number of actives : " ^ (string_of_int (List.length (fst actives)))));
-    debug (lazy (pp_clauses actives passives));
+    noprint (lazy (pp_clauses actives passives));
     match Sup.keep_simplified current actives bag maxvar
     with
       | _,None -> s
@@ -356,7 +364,7 @@ module Paramod (B : Orderings.Blob) = struct
     let _ = noprint
       (lazy 
         ("Passives:" ^(String.concat ";\n" 
-           (List.map (fun _,cl -> Pp.pp_unit_clause cl)
+           (List.map (fun (_,cl) -> Pp.pp_unit_clause cl)
               (IDX.ClauseSet.elements wset))))) in 
     let g_passives = 
       WeightPassiveSet.fold 
@@ -559,14 +567,16 @@ module Paramod (B : Orderings.Blob) = struct
 let demod s goal =
   let bag,maxvar,actives,passives,g_actives,g_passives = s in
   let (bag,maxvar), g = mk_goal (bag,maxvar) goal in
+  let bag, ((i,_,_,_) as g1) = Sup.demodulate bag g (snd actives) in
+    if g1 = g then GaveUp else compute_result bag i []
+(*
   if Terms.is_eq_clause g then 
-    let bag, ((i,_,_,_) as g1) = Sup.demodulate bag g (snd actives) in
-      if g1 = g then GaveUp else compute_result bag i []
-  else GaveUp
+
+  else GaveUp *)
 
 let fast_eq_check s goal =
   let (_,_,_,_,_,g_passives) as s = initialize_goal s goal in
-  if is_passive_g_set_empty g_passives then Error "not an equation" 
+  if is_passive_g_set_empty g_passives then Error "not an equation"
   else
   try 
     goal_narrowing 0 2 None s