lib/quarry/src/classifier/classifier.h in thera-0.0.7 vs lib/quarry/src/classifier/classifier.h in thera-0.0.8

@@ -44,9 +44,11 @@
         else
           nominal_features[i] = true;
       }
     }
     
+    virtual ~Classifier() {}
+    
     virtual void prepare() {};
     virtual Classifier *clone(DataSet::DataSet *new_data_set) = 0;
     virtual double score(int category, DataSet::Example *example) = 0;
     virtual int classify(DataSet::Example *example);
     virtual vector<Score> *rank(DataSet::Example *example);