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-rw-r--r--bench/benchmark.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/bench/benchmark.cpp b/bench/benchmark.cpp
index 971de4961..c721b9081 100644
--- a/bench/benchmark.cpp
+++ b/bench/benchmark.cpp
@@ -1,5 +1,8 @@
// g++ -O3 -DNDEBUG -DMATSIZE=<x> benchmark.cpp -o benchmark && time ./benchmark
-#include <Eigen/Array>
+
+#include <iostream>
+
+#include <Eigen/Core>
#ifndef MATSIZE
#define MATSIZE 3