-#define intervals_per_second (1000000000ULL / 100ULL)
-#define intervals_per_microsecond (10)
-#define nanoseconds_per_interval (100)
-#define days_per_year (365ULL)
-#define seconds_per_day (3600ULL * 24ULL)
-#define intervals_per_day (seconds_per_day * intervals_per_second)
-#define intervals_per_year (intervals_per_day * days_per_year)
-#define years_1601_to_1970 (1970ULL - 1601ULL)
-#define leap_years_1601_to_1970 (years_1601_to_1970 / 4ULL - 3ULL)
-#define intervals_1601_to_1970 (years_1601_to_1970 * intervals_per_year \
- + leap_years_1601_to_1970 * intervals_per_day)