X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2Forderings.mli;h=a6d1a87432f71acc0c47cdfa44492b78e092ec64;hb=5780119aea0a20e74f7c153add432f5d491ee2a5;hp=59cfde124c3468adbbbc7d567fb02d53d4b88880;hpb=4aaab68e38ccafb352cc2b656e3ec3cf1ef33cab;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/orderings.mli b/helm/software/components/ng_paramodulation/orderings.mli
index 59cfde124..a6d1a8743 100644
--- a/helm/software/components/ng_paramodulation/orderings.mli
+++ b/helm/software/components/ng_paramodulation/orderings.mli
@@ -11,4 +11,32 @@
 
 (* $Id: nCic.ml 9058 2008-10-13 17:42:30Z tassi $ *)
 
-val compare_terms : 'a Terms.foterm -> 'a Terms.foterm -> Terms.comparison
+module type Blob =
+  sig 
+    include Terms.Blob 
+
+    (* This order relation should be:
+     * - stable for instantiation
+     * - total on ground terms
+     *
+     *)
+    val compare_terms : 
+          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