48             start_time.QuadPart = (LONGLONG)(t * frequency.QuadPart);   in high_resolution_timer()
52           : start_time(rhs.start_time)  in high_resolution_timer()
74             if (!QueryPerformanceCounter(&start_time))  in restart()
87             return double(now.QuadPart - start_time.QuadPart) / frequency.QuadPart;  in elapsed()
96             return double((std::numeric_limits<LONGLONG>::max)() - start_time.QuadPart) /   in elapsed_max()
110         LARGE_INTEGER start_time;  member in boost::archive::xml::high_resolution_timer
136             start_time.tv_sec = 0;  in high_resolution_timer()
137             start_time.tv_nsec = 0;  in high_resolution_timer()
144             start_time.tv_sec = time_t(t);  in high_resolution_timer()
145             start_time.tv_nsec = (t - start_time.tv_sec) * 1e9;  in high_resolution_timer()
149           : start_time(rhs.start_time)  in high_resolution_timer()
163             if (-1 == clock_gettime(CLOCK_REALTIME, &start_time))  in restart()
172             if (now.tv_sec == start_time.tv_sec)  in elapsed()
173                 return double(now.tv_nsec - start_time.tv_nsec) * 1e-9;  in elapsed()
175             return double(now.tv_sec - start_time.tv_sec) +   in elapsed()
176                 (double(now.tv_nsec - start_time.tv_nsec) * 1e-9);  in elapsed()
181             return double((std::numeric_limits<time_t>::max)() - start_time.tv_sec);   in elapsed_max()
193         timespec start_time;  member in boost::archive::xml::high_resolution_timer
221                 start_time.tv_sec = 0;  in high_resolution_timer()
222                 start_time.tv_nsec = 0;  in high_resolution_timer()
231                 start_time.tv_sec = time_t(t);  in high_resolution_timer()
232                 start_time.tv_nsec = (t - start_time.tv_sec) * 1e9;  in high_resolution_timer()
238             start_time(rhs.start_time)  in high_resolution_timer()
257             else if (-1 == clock_gettime(CLOCK_REALTIME, &start_time))  in restart()
269             if (now.tv_sec == start_time.tv_sec)  in elapsed()
270                 return double(now.tv_nsec - start_time.tv_nsec) * 1e-9;  in elapsed()
272             return double(now.tv_sec - start_time.tv_sec) +   in elapsed()
273                 (double(now.tv_nsec - start_time.tv_nsec) * 1e-9);  in elapsed()
281             return double((std::numeric_limits<time_t>::max)() - start_time.tv_sec);   in elapsed_max()
297         timespec start_time;  member in boost::archive::xml::high_resolution_timer
368             start_time.tv_sec = 0;  in high_resolution_timer()
369             start_time.tv_usec = 0;  in high_resolution_timer()
376             start_time.tv_sec = time_t(t);  in high_resolution_timer()
377             start_time.tv_usec = (t - start_time.tv_sec) * 1e6;  in high_resolution_timer()
381           : start_time(rhs.start_time)  in high_resolution_timer()
401             if (gettimeofday(&start_time, NULL))  in restart()
410             return elapsed(now,start_time);  in elapsed()
415             return double((std::numeric_limits<time_t>::max)() - start_time.tv_sec);   in elapsed_max()
443         timeval start_time;  member in boost::archive::xml::high_resolution_timer