inline std::ostream & operator<< (std::ostream & os, Timer const & t)
{
Timer::timer_t r = t.results.back();
os.width(30);
os.fill(' ');
os << t.name << "\t";
os << r / Timer::usec_factor
<< "."
<< std::setw(6)
<< std::setfill('0')
<< r % Timer::usec_factor
<< " sec";
r = std::accumulate(t.results.begin(), t.results.end(), 0LL);
os << "\t Sum: "
<< r / Timer::usec_factor
<< "."
<< std::setw(6)
<< std::setfill('0')
<< r % Timer::usec_factor
<< " sec";
r = r / t.results.size();
os << "\tAvg: "
<< r / Timer::usec_factor
<< "."
<< std::setw(6)
<< std::setfill('0')
<< r % Timer::usec_factor
<< " sec";
r = *std::min_element(t.results.begin(), t.results.end());
os << "\tMin: "
<< r / Timer::usec_factor
<< "."
<< std::setw(6)
<< std::setfill('0')
<< r % Timer::usec_factor
<< " sec";
r = *std::max_element(t.results.begin(), t.results.end());
os << "\tMax: "
<< r / Timer::usec_factor
<< "."
<< std::setw(6)
<< std::setfill('0')
<< r % Timer::usec_factor
<< " sec";
Timer::results_t md = t.results;
nth_element(md.begin(),
md.begin()+md.size()/2,
md.end());
r=*(md.begin()+md.size()/2);
os << "\tMedian: "
<< r / Timer::usec_factor
<< "."
<< std::setw(6)
<< std::setfill('0')
<< r % Timer::usec_factor
<< " sec"
<< std::endl;
return os;
}
std::string Timer::getMedian () const
{
Timer::results_t md = results;
nth_element (md.begin (), md.begin () + md.size () / 2, md.end ());
Timer::timer_t r = *(md.begin () + md.size () / 2);
std::ostringstream os;
os << r / Timer::usec_factor << "." << std::setw (6) << std::setfill ('0') << r % Timer::usec_factor;
return os.str ();
}