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-rw-r--r--bench/BenchUtil.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/bench/BenchUtil.h b/bench/BenchUtil.h
index 4afe61980..a7535771e 100644
--- a/bench/BenchUtil.h
+++ b/bench/BenchUtil.h
@@ -1,4 +1,7 @@
+#ifndef EIGEN_BENCH_UTIL_H
+#define EIGEN_BENCH_UTIL_H
+
#include <Eigen/Core>
#include "BenchTimer.h"
@@ -66,3 +69,4 @@ void eiToGsl(const EigenMatrixType& src, gsl_matrix** dst)
}
#endif
+#endif // EIGEN_BENCH_UTIL_H