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-rw-r--r--Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h b/Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h
index 217b931..65be7c5 100644
--- a/Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h
+++ b/Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h
@@ -30,6 +30,8 @@
#include "cctk.h"
+#include <math.h>
+
#ifdef __cplusplus
extern "C" {
#endif