1 files changed, 29 insertions, 0 deletions
diff --git a/extractor/veb_tree.h b/extractor/veb_tree.h
new file mode 100644
index 00000000..578d3e6a
--- /dev/null
+++ b/extractor/veb_tree.h
@@ -0,0 +1,29 @@
+#ifndef _VEB_TREE_H_
+#define _VEB_TREE_H_
+
+#include <memory>
+#include <vector>
+
+using namespace std;
+
+#include "veb.h"
+
+class VEBTree: public VEB {
+ public:
+  VEBTree(int size);
+
+  void Insert(int value);
+
+  int GetSuccessor(int value);
+
+ private:
+  int GetNextValue(int value);
+  int GetCluster(int value);
+  int Compose(int cluster, int value);
+
+  int lower_bits, upper_size;
+  shared_ptr<VEB> summary;
+  vector<shared_ptr<VEB> > clusters;
+};
+
+#endif