LogicSignal: Tidied up forward declarations

[pulseview.git] / pv / util.hpp

diff --git a/pv/util.hpp b/pv/util.hpp
index 5d65694054ab2c0b2e6a9f652fc736abfc5da8cd..f75c95721d9df142691d2f44b12db2a7ca7895ea 100644 (file)
--- a/pv/util.hpp
+++ b/pv/util.hpp
@@ -18,10 +18,10 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef PULSEVIEW_UTIL_H
-#define PULSEVIEW_UTIL_H
+#ifndef PULSEVIEW_UTIL_HPP
+#define PULSEVIEW_UTIL_HPP
 
-#include <math.h>
+#include <cmath>
 
 #include <QString>
 
@@ -71,4 +71,4 @@ QString format_second(double second);
 } // namespace util
 } // namespace pv
 
-#endif // PULSEVIEW_UTIL_H
+#endif // PULSEVIEW_UTIL_HPP