Use getter

Author: jyliuu

src/lib/rpf_purify.cpp

@@ -773,7 +773,7 @@ void extend_trees(
     for (std::vector<std::set<int>>::reverse_iterator key = keys.rbegin(); key != keys.rend(); ++key)
     {
       auto &curr_tree = curr_family[(*key)];
-      std::set<int> curr_dims = curr_tree->split_dims;
+      std::set<int> curr_dims = curr_tree->get_split_dims();
       // check if number of dims same as current max_interaction
       if (curr_dims.size() == curr_max)
       {
@@ -782,9 +782,9 @@ void extend_trees(
         for (int feature_dim = 1; feature_dim <= feature_size; ++feature_dim)
         {
           // continue only if dim in current tree
-          if (curr_tree->split_dims.count(feature_dim) != 0)
+          if (curr_tree->get_split_dims().count(feature_dim) != 0)
           {
-            std::set<int> tree_dims = curr_tree->split_dims;
+            std::set<int> tree_dims = curr_tree->get_split_dims();
             tree_dims.erase(tree_dims.find(feature_dim)); // remove current feature dim from current tree
             // check if tree with dimensions exists, if not create
             std::shared_ptr<DecisionTree> tree = treeExists(tree_dims, curr_family);
@@ -901,7 +901,7 @@ void RandomPlantedForest::purify_3_new()
     // ------------- create new trees -------------
 
     extend_trees(feature_size, value_size, lim_list, curr_family, variables, X, grids, individuals, values, values_old);
-    
+
     // ------------- purify -------------
     // iterate backwards through tree family
     int tree_index_t = curr_family.size() - 1;
@@ -1238,4 +1238,4 @@ void RandomPlantedForest::purify_anova_and_marginalize()
 {
   purify_anova();
   purify_no_extrapolation_existing_grid();
-}
+}