...

mcc/mcc_defaults.h

@@ -13,11 +13,13 @@ namespace mcc
 {
 
 
-/*                          DEFAULT TIME POINT CLASS        */
+/*                          DEFAULT TIME-RELATED CLASSES        */
 
 typedef std::chrono::system_clock::time_point MccTimePoint;
 
 
+typedef std::chrono::duration<double> MccTimeDuration;  // seconds as floating-point value
+
 template <traits::mcc_time_duration_c DT>
 static constexpr DT mcc_infinite_duration_v =
     std::floating_point<typename DT::rep> ? DT{std::numeric_limits<typename DT::rep>::infinity()}