From 8d7ee7ad908b1fd797881a140057f3504b845b87 Mon Sep 17 00:00:00 2001
From: graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Fri, 16 Jul 2010 01:56:43 +0000
Subject: oracle is_null

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@277 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 decoder/oracle_bleu.h   | 2 +-
 decoder/sparse_vector.h | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/decoder/oracle_bleu.h b/decoder/oracle_bleu.h
index 550f438f..6708b02e 100755
--- a/decoder/oracle_bleu.h
+++ b/decoder/oracle_bleu.h
@@ -38,7 +38,7 @@ struct Translation {
     out<<pre<<"features: "<<features<<std::endl;
   }
   bool is_null() {
-    return features.size()==0 /* && sentence.size()==0 */;
+    return features.empty() /* && sentence.empty() */;
   }
 
 };
diff --git a/decoder/sparse_vector.h b/decoder/sparse_vector.h
index c6c57150..455a162b 100644
--- a/decoder/sparse_vector.h
+++ b/decoder/sparse_vector.h
@@ -255,6 +255,8 @@ public:
         return values_.size() < other.values_.size();
     }
 
+  int size() const { return values_.size(); }
+
     int num_active() const { return values_.size(); }
     bool empty() const { return values_.empty(); }
 
-- 
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