void operator()(Stopwatch & stopwatch_
//, system::error_code & ec = BOOST_CHRONO_THROWS
)
{
typedef typename Stopwatch::laps_collector::storage_type
laps_collector_acc;
laps_collector_acc const& acc =
stopwatch_.get_laps_collector().accumulator_set();
typedef typename Stopwatch::duration duration_t;
this->os_
<< static_cast<format_type&> (*this)
% boost::accumulators::count(acc)
% io::group(std::fixed, std::setprecision(this->precision_), duration_fmt(this->duration_style_), (boost::accumulators::count(acc)
== 0) ? boost::chrono::duration<double, Ratio>(duration_t::zero()) : boost::chrono::duration<
double, Ratio>(duration_t(boost::accumulators::sum(acc))))
% io::group(std::fixed, std::setprecision(this->precision_), duration_fmt(this->duration_style_), (boost::accumulators::count(acc)
== 0) ? boost::chrono::duration<double, Ratio>(duration_t::zero()) : boost::chrono::duration<
double, Ratio>(duration_t((boost::accumulators::min)(acc))))
% io::group(std::fixed, std::setprecision(this->precision_), duration_fmt(this->duration_style_), (boost::accumulators::count(acc)
== 0) ? boost::chrono::duration<double, Ratio>(duration_t::zero()) : boost::chrono::duration<
double, Ratio>(duration_t((boost::accumulators::max)(acc))))
% io::group(std::fixed, std::setprecision(this->precision_), duration_fmt(this->duration_style_), ((boost::accumulators::count(acc)
> 0) ? boost::chrono::duration<double, Ratio>(duration_t(boost::accumulators::sum(acc)
/ boost::accumulators::count(acc))) : boost::chrono::duration<
double, Ratio>(duration_t::zero())));
}
void operator()(Stopwatch & stopwatch_
//, system::error_code & ec= BOOST_CHRONO_THROWS
)
{
typedef typename Stopwatch::duration duration_t;
duration_t d = stopwatch_.elapsed();
//duration_t d = stopwatch_.elapsed(ec);
if (d < duration_t::zero())
return;
duration_style_io_saver dsios(this->os_);
this->os_ << static_cast<format_type&>(*this)
% io::group(std::fixed, std::setprecision(this->precision_), duration_fmt(this->duration_style_), boost::chrono::duration<
double, Ratio>(d))
;
}