Bugfix: sort features by name after generation

Classification/include/CGAL/Classification/Feature_set.h

@@ -48,6 +48,14 @@ class Feature_set
   typedef std::vector<Feature_handle> Base;
   Base m_features;
 
+  struct Compare_name
+  {
+    bool operator() (const Feature_handle& a, const Feature_handle& b) const
+    {
+      return a->name() < b->name();
+    }
+  };
+  
 #ifdef CGAL_LINKED_WITH_TBB
   tbb::mutex m_mutex;
   void mutex_lock() { m_mutex.lock(); }
@@ -136,6 +144,12 @@ public:
   {
     m_features[i] = Feature_handle();
   }
+
+  void sort_features_by_name()
+  {
+    std::sort (m_features.begin(), m_features.end(),
+               Compare_name());               
+  }
   /// \endcond
   
 };

Classification/include/CGAL/Classification/Point_set_feature_generator.h

@@ -343,6 +343,8 @@ public:
                             get_parameter<Vmap>(normal_map),
                             get_parameter<Cmap>(color_map),
                             get_parameter<Emap>(echo_map));
+
+    m_features->sort_features_by_name();
   }