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-rw-r--r--src/Symmetry.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/Symmetry.h b/src/Symmetry.h
index bb72e3a..5295766 100644
--- a/src/Symmetry.h
+++ b/src/Symmetry.h
@@ -21,6 +21,8 @@
#ifndef _SYMMETRY_H_
#define _SYMMETRY_H_ 1
+#include "cctk.h"
+
#define GFSYM_UNSET -41
#define GFSYM_NOSYM -42