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-rw-r--r--doc/examples/class_CwiseUnaryOp.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/examples/class_CwiseUnaryOp.cpp b/doc/examples/class_CwiseUnaryOp.cpp
index 4111b7eec..37d121cd8 100644
--- a/doc/examples/class_CwiseUnaryOp.cpp
+++ b/doc/examples/class_CwiseUnaryOp.cpp
@@ -1,4 +1,5 @@
#include <Eigen/Core>
+#include <Eigen/Array>
USING_PART_OF_NAMESPACE_EIGEN
using namespace std;