pass by reference

git-svn-id: https://mosesdecoder.svn.sourceforge.net/svnroot/mosesdecoder/trunk@1717 1f5c12ca-751b-0410-a591-d2e778427230

3 files changed, 4 insertions, 4 deletions

diff --git a/mert/ScoreArray.h b/mert/ScoreArray.h
index 63e95d960..c9f65d05b 100644
--- a/mert/ScoreArray.h
+++ b/mert/ScoreArray.h
@@ -44,7 +44,7 @@ public:
 	inline void setIndex(size_t value){ idx=value; }
 
 	inline ScoreStats get(int i){ return array_.at(i); }
-	void add(ScoreStats e){ array_.push_back(e); }
+	void add(const ScoreStats& e){ array_.push_back(e); }
 
 	inline std::string name(){ return score_type; };
 	inline std::string name(std::string &sctype){ return score_type = sctype; };
diff --git a/mert/ScoreData.cpp b/mert/ScoreData.cpp
index 0063bd8be..6b5e7975f 100644
--- a/mert/ScoreData.cpp
+++ b/mert/ScoreData.cpp
@@ -116,7 +116,7 @@ void ScoreData::loadnbest(const std::string &file)
 
 
 
-void ScoreData::add(ScoreStats e, int sent_idx){
+void ScoreData::add(const ScoreStats& e, int sent_idx){
 	if (exists(sent_idx)){
 		array_.at(sent_idx).add(e);
 	}
diff --git a/mert/ScoreData.h b/mert/ScoreData.h
index 0943301d2..2718de065 100644
--- a/mert/ScoreData.h
+++ b/mert/ScoreData.h
@@ -43,8 +43,8 @@ public:
 	
 	inline std::string name(){ return score_type; };
 
-	void add(ScoreArray e){ array_.push_back(e); }
-	void add(ScoreStats e, int sent_idx);
+	void add(const ScoreArray& e){ array_.push_back(e); }
+	void add(const ScoreStats& e, int sent_idx);
 	
 	inline size_t size(){ return array_.size(); }