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-rw-r--r--Source/Utils/WarpXUtil.H5
1 files changed, 5 insertions, 0 deletions
diff --git a/Source/Utils/WarpXUtil.H b/Source/Utils/WarpXUtil.H
index ab28c5446..195e309cf 100644
--- a/Source/Utils/WarpXUtil.H
+++ b/Source/Utils/WarpXUtil.H
@@ -1,3 +1,6 @@
+#ifndef WARPX_UTILS_H_
+#define WARPX_UTILS_H_
+
#include <AMReX_REAL.H>
#include <AMReX_Vector.H>
#include <AMReX_MultiFab.H>
@@ -21,3 +24,5 @@ namespace WarpXUtilIO{
*/
bool WriteBinaryDataOnFile(std::string filename, const amrex::Vector<char>& data);
}
+
+#endif //WARPX_UTILS_H_