From sumomo ＠ users.sourceforge.jp  Thu May 31 12:01:46 2012
From: sumomo ＠ users.sourceforge.jp (sumomo ＠ users.sourceforge.jp)
Date: Thu, 31 May 2012 12:01:46 +0900
Subject: [Julius-cvs 722]  CVS update: julius4/libjulius/src
Message-ID: <1338433306.781803.1310.nullmailer@users.sourceforge.jp>

Index: julius4/libjulius/src/beam.c
diff -u julius4/libjulius/src/beam.c:1.19 julius4/libjulius/src/beam.c:1.20
--- julius4/libjulius/src/beam.c:1.19	Tue Oct 11 15:51:06 2011
+++ julius4/libjulius/src/beam.c	Thu May 31 12:01:46 2012
@@ -42,7 +42,7 @@
  * @author Akinobu LEE
  * @date   Tue Feb 22 17:00:45 2005
  *
- * $Revision: 1.19 $
+ * $Revision: 1.20 $
  * 
  */
 /*
@@ -1917,6 +1917,9 @@
   TOKEN2 *tknext;
   TOKENID tknextid;
 
+  /* does not propagate invalid token */
+  if (next_score <= LOG_ZERO) return;
+
   if ((tknextid = node_exist_token(d, d->tn, next_node, last_tre->wid)) != TOKENID_UNDEFINED) {
     /* 遷移先ノードには既に他ノードから伝搬済み: スコアが高いほうを残す */
     /* the destination node already has a token: compare score */
@@ -1932,9 +1935,7 @@
   } else {
     /* 遷移先ノードは未伝搬: 新規トークンを作って割り付ける */
     /* token unassigned: create new token and assign */
-    if (next_score > LOG_ZERO) { /* valid token */
-      tknextid = create_token(d); /* get new token */
-    }
+    tknextid = create_token(d); /* get new token */
     tknext = &(d->tlist[d->tn][tknextid]);
     tknext->last_tre = last_tre; /* propagate last word info */
     tknext->last_cword = last_cword; /* propagate last context word info */