1 files changed, 25 insertions, 0 deletions
diff --git a/extractor/veb_bitset.cc b/extractor/veb_bitset.cc
new file mode 100644
index 00000000..4e364cc5
--- /dev/null
+++ b/extractor/veb_bitset.cc
@@ -0,0 +1,25 @@
+#include "veb_bitset.h"
+
+using namespace std;
+
+VEBBitset::VEBBitset(int size) : bitset(size) {
+  min = max = -1;
+}
+
+void VEBBitset::Insert(int value) {
+  bitset[value] = 1;
+  if (min == -1 || value < min) {
+    min = value;
+  }
+  if (max == - 1 || value > max) {
+    max = value;
+  }
+}
+
+int VEBBitset::GetSuccessor(int value) {
+  int next_value = bitset.find_next(value);
+  if (next_value == bitset.npos) {
+    return -1;
+  }
+  return next_value;
+}