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-rw-r--r--src/tkbltGrPSOutput.C3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/tkbltGrPSOutput.C b/src/tkbltGrPSOutput.C
index a90e921..8f02cba 100644
--- a/src/tkbltGrPSOutput.C
+++ b/src/tkbltGrPSOutput.C
@@ -28,11 +28,12 @@
*
*/
-#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
+#include <cmath>
+
#include "tk.h"
// copied from tk3d.h