Changes in lemon/unionfind.h [800:28c7ad6f8d91:875:07ec2b52e53d] in lemon-1.2

File:

• lemon/unionfind.h (modified) (1 diff)

lemon/unionfind.h

@@ -1289 +1289 @@
         first_free_class(-1), first_free_node(-1) {}
 
+    /// \brief Clears the union-find data structure
+    ///
+    /// Erase each item from the data structure.
+    void clear() {
+      nodes.clear();
+      classes.clear();
+      first_free_node = first_free_class = first_class = -1;
+    }
+
     /// \brief Insert a new node into a new component.
     ///