From: Enrico Tassi <enrico.tassi@inria.fr>
Date: Mon, 14 Apr 2008 10:20:39 +0000 (+0000)
Subject: added mk_fix i j r that given an r of a fix generated another fix on i and j
X-Git-Tag: make_still_working~5345
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=18d8d7128c16b5d4dd589d75a2e7c026ac7d405d;p=helm.git

added mk_fix i j r that given an r of a fix generated another fix on i and j
---

diff --git a/helm/software/components/ng_kernel/nReference.ml b/helm/software/components/ng_kernel/nReference.ml
index 2692075e0..5da330541 100644
--- a/helm/software/components/ng_kernel/nReference.ml
+++ b/helm/software/components/ng_kernel/nReference.ml
@@ -119,6 +119,12 @@ let mk_constructor j = function
   | _ -> assert false
 ;;
 
+let mk_fix i j = function
+  | Ref (d, u, Fix _) -> 
+      reference_of_string (string_of_reference (Ref (d, u, Fix (i,j))))
+  | _ -> assert false
+;;
+
 let reference_of_ouri u indinfo =
   let u = NUri.nuri_of_ouri u in
   reference_of_string (string_of_reference (Ref (max_int,u,indinfo)))
diff --git a/helm/software/components/ng_kernel/nReference.mli b/helm/software/components/ng_kernel/nReference.mli
index de468c3c1..752853608 100644
--- a/helm/software/components/ng_kernel/nReference.mli
+++ b/helm/software/components/ng_kernel/nReference.mli
@@ -28,6 +28,7 @@ val string_of_reference: reference -> string
 
 (* given the reference of an inductive type, returns the i-th contructor *)
 val mk_constructor: int -> reference -> reference
+val mk_fix: int -> int -> reference -> reference
 
 
 (* CACCA *)