X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Flibrary%2FcoercGraph.mli;h=e6bc766df3d141ea3049789fd43c91bb6679c134;hb=4609a07e2fe4343d94832fcaf0936223f83ba71c;hp=283d8a4844f3d26198bb80e3fee1e65d555a792f;hpb=185bfc8f9c9ba49308477ee6769701f3e2977115;p=helm.git

diff --git a/helm/software/components/library/coercGraph.mli b/helm/software/components/library/coercGraph.mli
index 283d8a484..e6bc766df 100644
--- a/helm/software/components/library/coercGraph.mli
+++ b/helm/software/components/library/coercGraph.mli
@@ -23,10 +23,12 @@
  * http://cs.unibo.it/helm/.
  *)
 
+(* $Id$ *)
+
 (* This module implements the Query interface to the Coercion Graph *)
 
 type coercion_search_result = 
-  | SomeCoercion of Cic.term
+  | SomeCoercion of Cic.term list
   | NoCoercion
   | NotMetaClosed
   | NotHandled of string Lazy.t
@@ -34,8 +36,21 @@ type coercion_search_result =
 val look_for_coercion :
   Cic.term -> Cic.term -> coercion_search_result
 
+val look_for_coercion' :
+  CoercDb.coerc_carr -> CoercDb.coerc_carr -> coercion_search_result
+
 val is_a_coercion: Cic.term -> bool
+val is_a_coercion_to_funclass: Cic.term -> int option
+
+(* checks if term is a constant or 
+ * a constant applyed that is marked with (`Class `Coercion) *)
+val is_composite: Cic.term -> bool
+
 val source_of: Cic.term -> Cic.term
-val target_of: Cic.term -> Cic.term
 
 val generate_dot_file: unit -> string
+
+val meets : 
+  CoercDb.coerc_carr -> CoercDb.coerc_carr -> 
+    CoercDb.coerc_carr list
+