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-rw-r--r--Eigen/Core6
1 files changed, 5 insertions, 1 deletions
diff --git a/Eigen/Core b/Eigen/Core
index f56a13ab8..6da789afe 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -1,7 +1,10 @@
+#ifndef EIGEN_CORE_H
+#define EIGEN_CORE_H
+
#include <cstdlib>
#include <cmath>
#include <complex>
-#ifndef EIGEN_CUSTOM_ASSERT
+#ifndef EIGEN_USE_CUSTOM_ASSERT
#include <cassert>
#endif
#include <iostream>
@@ -43,3 +46,4 @@ namespace Eigen {
} // namespace Eigen
+#endif // EIGEN_CORE_H