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-rw-r--r--chilbert/GrayCodeRank.hpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/chilbert/GrayCodeRank.hpp b/chilbert/GrayCodeRank.hpp
index 494caf6..8e98592 100644
--- a/chilbert/GrayCodeRank.hpp
+++ b/chilbert/GrayCodeRank.hpp
@@ -20,8 +20,10 @@
#define CHILBERT_GRAYCODERANK_HPP
+#include "chilbert/FixBitVec.hpp"
#include "chilbert/BigBitVec.hpp"
+#include <cassert>
namespace chilbert
{