Method Differentiate

library/src/system/timer_group.cpp:85–92

void TimerGroup::Differentiate()
{
  for (unsigned r = 0; r < timers.size()-1; r++)
  {
    size_t i = timers.size() - 1 - r;
    timers[i] -= timers[i-1];
  }
}


void TimerGroup::Sum(Timer& sum) const