X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2Forderings.mli;h=a6d1a87432f71acc0c47cdfa44492b78e092ec64;hb=946065280df015323ce624769fd0c4261f8b4209;hp=74989c3ebaae8872686ef6a7cfe1e09d9492c80c;hpb=3c1a432c1612f8ed21f5b2220005599c4d9da1d5;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/orderings.mli b/helm/software/components/ng_paramodulation/orderings.mli
index 74989c3eb..a6d1a8743 100644
--- a/helm/software/components/ng_paramodulation/orderings.mli
+++ b/helm/software/components/ng_paramodulation/orderings.mli
@@ -11,14 +11,32 @@
 
 (* $Id: nCic.ml 9058 2008-10-13 17:42:30Z tassi $ *)
 
-module Orderings (B : Terms.Blob) :
+module type Blob =
   sig 
+    include Terms.Blob 
 
     (* This order relation should be:
      * - stable for instantiation
      * - total on ground terms
+     *
      *)
     val compare_terms : 
-          B.t Terms.foterm -> B.t Terms.foterm -> Terms.comparison
+          t Terms.foterm -> t Terms.foterm -> Terms.comparison
+
+    (* these could be outside the module, but to ease experimentation
+     * we allow them to be tied with the ordering *)
+    val compute_unit_clause_weight : 't Terms.unit_clause -> int
+    val compute_goal_weight : 't Terms.unit_clause -> int
+
+    val name : string
 
   end
+
+module NRKBO (B : Terms.Blob) : Blob 
+with type t = B.t and type input = B.input
+
+module KBO (B : Terms.Blob) : Blob 
+with type t = B.t and type input = B.input
+
+module LPO (B : Terms.Blob) : Blob 
+with type t = B.t and type input = B.input