Add const member functions in Scorer classes.

1 files changed, 4 insertions, 3 deletions

diff --git a/mert/TerScorer.h b/mert/TerScorer.h
index fb134a8de..411d942bf 100644
--- a/mert/TerScorer.h
+++ b/mert/TerScorer.h
@@ -35,12 +35,13 @@ public:
   virtual void setReferenceFiles(const vector<string>& referenceFiles);
   virtual void prepareStats(size_t sid, const string& text, ScoreStats& entry);
 
-  virtual void whoami() {
+  virtual void whoami() const {
     cerr << "I AM TerScorer" << std::endl;
   }
-  size_t NumberOfScores() {
+
+  virtual size_t NumberOfScores() const {
     // cerr << "TerScorer: " << (LENGTH + 1) << endl;
-    return (kLENGTH + 1);
+    return kLENGTH + 1;
   }
 
   virtual float calculateScore(const vector<int>& comps) const;