int main(){
std::cout << std::endl;
std::chrono::system_clock::time_point timeNowSysClock = std::chrono::system_clock::now();
std::chrono::system_clock::duration timeDurSysClock= timeNowSysClock.time_since_epoch();
std::cout << "std::chrono::system_clock: " << std::endl;
durationSinceEpoch(timeDurSysClock);
std::cout << std::endl;
auto timeNowStClock = std::chrono::steady_clock::now();
auto timeDurStClock= timeNowStClock.time_since_epoch();
std::cout << "std::chrono::steady_clock: " << std::endl;
durationSinceEpoch(timeDurStClock);
std::cout << std::endl;
auto timeNowHiRes = std::chrono::high_resolution_clock::now();
auto timeDurHiResClock= timeNowHiRes.time_since_epoch();
std::cout << "std::chrono::high_resolution_clock: " << std::endl;
durationSinceEpoch(timeDurHiResClock);
std::cout << std::endl;
}
ptime Time::ToPosixTime(TimeScale& timeScale) const
{
auto ticks = this->ticks_;
// adjust ticks for epoch 1970
int64 epochDelta = Epoch1970 - timeScale.Epoch();
ticks -= epochDelta * timeScale.TicksPerDay(); // now the ticks are epoch'd 1970, so we use 1970,1,1 below
// create time duration considering resolution.
if(time_duration::ticks_per_second() > timeScale.TicksPerSecond()) // since the following computations are integer calculcations, we distinguish here
{
int64 conversionRate = time_duration::ticks_per_second() / timeScale.TicksPerSecond();
ticks = conversionRate * ticks;
}
else
{
int64 conversionRate = timeScale.TicksPerSecond() / time_duration::ticks_per_second();
ticks = ticks / conversionRate;
}
// date(1970) + ptime ticks since (1970)
time_duration durationSinceEpoch(0, 0, 0, ticks);
ptime pt(date(1970, 1, 1), durationSinceEpoch);
return pt;
}
