X-Git-Url: http://git.nguyen.vg/gitweb/?p=tatoo.git;a=blobdiff_plain;f=src%2Fauto%2Feval.ml;h=cc9ed71074436f9d9acf4f20ed538f8c9d6f77dd;hp=5c346d00b44f19e88806c42d311c1148ebaa4fd4;hb=9b3611f8b650edf4183169a9c2c4317e13be536d;hpb=738218592e41da4ceb46f4dba41f292a60ba1f7b

diff --git a/src/auto/eval.ml b/src/auto/eval.ml
index 5c346d0..cc9ed71 100644
--- a/src/auto/eval.ml
+++ b/src/auto/eval.ml
@@ -14,7 +14,7 @@
 (***********************************************************************)
 
 (*
-  Time-stamp: <Last modified on 2013-03-13 18:27:13 CET by Kim Nguyen>
+  Time-stamp: <Last modified on 2013-03-13 18:54:08 CET by Kim Nguyen>
 *)
 
 INCLUDE "utils.ml"
@@ -27,12 +27,10 @@ module Make (T : Tree.Sig.S) :
   end
  = struct
 
-  type cache = (int, StateSet.t) Hashtbl.t
-  let get c t n =
-    try Hashtbl.find c (T.preorder t n)
-    with Not_found -> StateSet.empty
+  type cache = StateSet.t Cache.N1.t
+  let get c t n = Cache.N1.find c (T.preorder t n)
 
-  let set c t n v = Hashtbl.replace c (T.preorder t n) v
+  let set c t n v = Cache.N1.add c (T.preorder t n) v
 
   module Info = struct
     type t = { is_left : bool;
@@ -95,7 +93,7 @@ module Make (T : Tree.Sig.S) :
               (acct, StateSet.add q accs)
             else
               (Ata.TransList.cons trs acct, accs)
-        ) ltrs (Ata.TransList.nil, ss) 
+        ) ltrs (Ata.TransList.nil, ss)
       in
       Cache.N6.add cache i j k l m n res; res
     else
@@ -176,7 +174,7 @@ module Make (T : Tree.Sig.S) :
     loop node []
 
   let eval auto tree node =
-    let cache = Hashtbl.create 511 in
+    let cache = Cache.N1.create (T.size tree) StateSet.empty in
     let redo = ref true in
     let iter = ref 0 in
     while !redo do