X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=components%2Ftactics%2Fparamodulation%2Futils.ml;h=a25ba8e2d7cda49cb9ac8cfede5cb14ea2aef99d;hb=dd5b7e474d70a87846f977f887d045f77342ae62;hp=db19e87d1d89f77f67ed818df82b625e323da12e;hpb=86d27070abaa7844fa53ab83b8a57489cc2d7e1a;p=helm.git

diff --git a/components/tactics/paramodulation/utils.ml b/components/tactics/paramodulation/utils.ml
index db19e87d1..a25ba8e2d 100644
--- a/components/tactics/paramodulation/utils.ml
+++ b/components/tactics/paramodulation/utils.ml
@@ -60,6 +60,8 @@ let string_of_comparison = function
   | Eq -> "="
   | Incomparable -> "I"
 
+type environment = Cic.metasenv * Cic.context * CicUniv.universe_graph
+
 module OrderedTerm =
 struct
   type t = Cic.term
@@ -101,6 +103,13 @@ let metas_of_term term =
   aux term
 ;;
 
+let rec remove_local_context =
+  function
+    | Cic.Meta (i,_) -> Cic.Meta (i,[])
+    | Cic.Appl l ->
+       Cic.Appl(List.map remove_local_context l)
+    | t -> t 
+
 
 (************************* rpo ********************************)
 let number = [
@@ -291,7 +300,7 @@ end
 module IntSet = Set.Make(OrderedInt)
 
 let compute_equality_weight (ty,left,right,o) =
-  let factor = 1 in
+  let factor = 2 in
   match o with
     | Lt -> 
 	let w, m = (weight_of_term 
@@ -309,7 +318,7 @@ let compute_equality_weight (ty,left,right,o) =
 	       ~consider_metas:true ~count_metas_occurrences:false right) in
       let w2, m2 = (weight_of_term 
 	       ~consider_metas:true ~count_metas_occurrences:false left) in
-      w1 + w2 + (factor * (List.length m1)) + (factor * (List.length m2))
+      (max w1 w2)+(max (factor * (List.length m1)) (factor * (List.length m2)))
 ;;
 
 (* old
@@ -427,7 +436,6 @@ let compare_weights ?(normalize=false)
   | (m, _, n) when m > 0 && n > 0 ->
       Incomparable
   | _ -> assert false 
-
 ;;
 
 
@@ -723,11 +731,7 @@ let string_of_pos = function
   | Right -> "Right"
 ;;
 
+let metas_of_term t = 
+  List.map fst (CicUtil.metas_of_term t)
+;;
 
-let eq_ind_URI () = LibraryObjects.eq_ind_URI ~eq:(LibraryObjects.eq_URI ())
-let eq_ind_r_URI () = LibraryObjects.eq_ind_r_URI ~eq:(LibraryObjects.eq_URI ())
-let sym_eq_URI () = LibraryObjects.sym_eq_URI ~eq:(LibraryObjects.eq_URI ())
-let eq_XURI () =
-  let s = UriManager.string_of_uri (LibraryObjects.eq_URI ()) in
-  UriManager.uri_of_string (s ^ "#xpointer(1/1/1)")
-let trans_eq_URI () = LibraryObjects.trans_eq_URI ~eq:(LibraryObjects.eq_URI ())