X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicReduction.mli;h=691d6605d3875f6e023607f3f0e62390308ef136;hb=7bc72d8afaebb1d2070a26b07f9bf4242b648e2c;hp=ebbba2543fc7598c54f4016f07640a54d2861f52;hpb=a3b43762ca9cfb746933dcd991bfc363b5fdd9b7;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicReduction.mli b/helm/software/components/ng_kernel/nCicReduction.mli
index ebbba2543..691d6605d 100644
--- a/helm/software/components/ng_kernel/nCicReduction.mli
+++ b/helm/software/components/ng_kernel/nCicReduction.mli
@@ -12,18 +12,33 @@
 (* $Id$ *)
 
 val whd : 
-  ?delta:int -> ?subst:NCic.substitution -> 
+  ?delta:int -> subst:NCic.substitution -> 
   NCic.context -> NCic.term -> 
     NCic.term
 
+val set_get_relevance : 
+  (metasenv:NCic.metasenv -> subst:NCic.substitution ->
+   NCic.context -> NCic.term -> NCic.term list -> bool list) -> unit
+
 val are_convertible :
-  ?subst:NCic.substitution ->
-  (subst:NCic.substitution ->
-   NCic.context -> NCic.term -> NCic.term list -> bool list) ->
+  metasenv:NCic.metasenv -> subst:NCic.substitution ->
   NCic.context -> NCic.term -> NCic.term -> bool
 
 
 (* performs head beta/(delta)/cast reduction; the default is to not perform
    delta reduction; if provided, ~upto is the maximum number of beta redexes
    reduced *)
-val head_beta_reduce: ?delta:int -> ?upto:int -> NCic.term -> NCic.term
+val head_beta_reduce: 
+  ?delta:int -> ?upto:int -> ?subst:NCic.substitution -> NCic.term -> NCic.term
+
+type stack_item
+type environment_item
+
+type machine = int * environment_item list * NCic.term * stack_item list
+
+val reduce_machine : 
+     delta:int -> ?subst:NCic.substitution -> NCic.context -> machine -> 
+      machine * bool
+val from_stack : stack_item -> machine
+val unwind : machine -> NCic.term
+