lib/quarry/src/data_set/sparse/sparse_example.h in thera-0.0.7 vs lib/quarry/src/data_set/sparse/sparse_example.h in thera-0.0.8

@@ -1,10 +1,11 @@
 #ifndef __sparse_data_set_example_h__
 #define __sparse_data_set_example_h__
 #include "data_set/example.h"
 #include <stdlib.h>
 #include <string>
+#include <iostream>
 using namespace std;
 
 namespace DataSet {
   class SparseDataSet;
   
@@ -21,9 +22,14 @@
     SparseExample(int buffer_size = 0) : Example(0), buffer_size(buffer_size) {
       if(buffer_size > 0)
         values = (Value *) calloc(sizeof(Value), buffer_size);
       else
         values = NULL;
+    }
+    
+    ~SparseExample() {
+      if(values != NULL)
+        free(values);
     }
     
     double get_value(int feature_index);    
     double get_value(string feature_name, SparseDataSet *data_set);
     void set_value(int feature_index, double new_value);