From 93618c0fcce1544bf948172d04e764f53073cf8a Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Thu, 10 Feb 2011 18:45:13 -0500
Subject: multipass decoding

---
 decoder/ff.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'decoder/ff.h')

diff --git a/decoder/ff.h b/decoder/ff.h
index e470f9a9..89b8b067 100644
--- a/decoder/ff.h
+++ b/decoder/ff.h
@@ -40,6 +40,7 @@ class FeatureFunction {
   FeatureFunction() : state_size_() {}
   explicit FeatureFunction(int state_size) : state_size_(state_size) {}
   virtual ~FeatureFunction();
+  bool IsStateful() const { return state_size_ > 0; }
 
   // override this.  not virtual because we want to expose this to factory template for help before creating a FF
   static std::string usage(bool show_params,bool show_details) {
-- 
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