X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fparamodulation%2Futils.mli;h=e69caed4d6644bf46c9704b76006bcc1c8b94c43;hb=c27b932e5adcf89dc9de0e28f65e3370fe3e6b05;hp=471e6e307f654f37f24fd5949d55e8a266467f1d;hpb=03cff55eef08d25984bc92080e4cac93889f3ba7;p=helm.git

diff --git a/helm/ocaml/paramodulation/utils.mli b/helm/ocaml/paramodulation/utils.mli
index 471e6e307..e69caed4d 100644
--- a/helm/ocaml/paramodulation/utils.mli
+++ b/helm/ocaml/paramodulation/utils.mli
@@ -5,11 +5,11 @@ type comparison = Lt | Le | Eq | Ge | Gt | Incomparable;;
 
 val print_metasenv: Cic.metasenv -> string
 
-val print_subst: Cic.substitution -> string
+val print_subst: ?prefix:string -> Cic.substitution -> string
 
 val string_of_weight: weight -> string
 
-val weight_of_term: Cic.term -> weight
+val weight_of_term: ?consider_metas:bool -> Cic.term -> weight
 
 val normalize_weight: int -> weight -> weight
 
@@ -23,4 +23,21 @@ val nonrec_kbo_w: (Cic.term * weight) -> (Cic.term * weight) -> comparison
 
 val names_of_context: Cic.context -> (Cic.name option) list
 
+module TermMap: Map.S with type key = Cic.term
 
+val symbols_of_term: Cic.term -> int TermMap.t
+
+val lpo: Cic.term -> Cic.term -> comparison
+
+(** term-ordering function settable by the user *)
+val compare_terms: (Cic.term -> Cic.term -> comparison) ref
+
+type equality_sign = Negative | Positive
+
+val string_of_sign: equality_sign -> string
+
+type pos = Left | Right 
+
+val string_of_pos: pos -> string
+
+val compute_equality_weight: Cic.term -> Cic.term -> Cic.term -> int