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-rw-r--r--src/tkbltGrAxisOption.C3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/tkbltGrAxisOption.C b/src/tkbltGrAxisOption.C
index 7c396c6..d0f78e8 100644
--- a/src/tkbltGrAxisOption.C
+++ b/src/tkbltGrAxisOption.C
@@ -27,9 +27,10 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#include <math.h>
#include <stdlib.h>
+#include <cmath>
+
#include "tkbltGraph.h"
#include "tkbltGrAxis.h"
#include "tkbltGrAxisOption.h"