HEJ::CrossSectionAccumulator Class Reference

Sum of Cross Section for different subproccess. More...

#include <CrossSectionAccumulator.hh>

Public Member Functions
void	fill (Event const &ev)
void	fill (double wt, event_type::EventType type)
void	fill (double wt, double err, event_type::EventType type)
void	fill_correlated (std::vector< Event > const &evts)
	Fill with multiple correlated weights. More...
template<class ConstIt >
void	fill_correlated (ConstIt begin, ConstIt end)
	iterator implementation of fill_correlated() More...
void	fill_correlated (double sum, double sum2, event_type::EventType type)
	explicit version of fill_correlated() by giving sum(wt) and sum(wt^2) More...
auto	begin () const
	begin of Cross Section and error for subprocesses More...
auto	end () const
	end of Cross Section and error for subprocesses More...
XSWithError< double > const &	total () const
	total Cross Section and error More...
XSWithError< double > const &	at (event_type::EventType type) const
	Cross Section and error of specific type. More...
XSWithError< double > const &	operator[] (event_type::EventType type) const
	Cross Section and error of specific type. More...

Detailed Description

Sum of Cross Section for different subproccess.

Member Function Documentation

at()

XSWithError<double> const& HEJ::CrossSectionAccumulator::at ( event_type::EventType  type ) const

inline

Cross Section and error of specific type.

begin()

auto HEJ::CrossSectionAccumulator::begin ( ) const

inline

begin of Cross Section and error for subprocesses

end()

auto HEJ::CrossSectionAccumulator::end ( ) const

inline

end of Cross Section and error for subprocesses

fill() [1/3]

void HEJ::CrossSectionAccumulator::fill	(	double	wt,
		double	err,
		event_type::EventType	type
	)

Fill by weight, error and type

Note

The error will be added to the current error

fill() [2/3]

void HEJ::CrossSectionAccumulator::fill	(	double	wt,
		event_type::EventType	type
	)

Fill by weight and type

Note

for multiple resummation events use fill_correlated() instead

fill() [3/3]

void HEJ::CrossSectionAccumulator::fill

(

Event const &

ev

)

Fill with single event

Note

for multiple resummation events use fill_correlated() instead

fill_correlated() [1/3]

template<class ConstIt >

void HEJ::CrossSectionAccumulator::fill_correlated	(	ConstIt	begin,
		ConstIt	end
	)

iterator implementation of fill_correlated()

fill_correlated() [2/3]

void HEJ::CrossSectionAccumulator::fill_correlated	(	double	sum,
		double	sum2,
		event_type::EventType	type
	)

explicit version of fill_correlated() by giving sum(wt) and sum(wt^2)

fill_correlated() [3/3]

void HEJ::CrossSectionAccumulator::fill_correlated

(

std::vector< Event > const &

evts

)

Fill with multiple correlated weights.

This should be used to fill multiple reweighted events, coming from the same fixed order point. Total error for $N$ fixed order points each giving $M_i$ resummation events is:

$$\delta^2=\sum_i \left(\sum_j w_{i,j}\right)^2 +\sum_{i,j} \left(w_{i,j}\right)^2,$$

Note

This is equivalent to fill() for only one reweighted event coming from each fixed order point ( $M_i=1$)

operator[]()

XSWithError<double> const& HEJ::CrossSectionAccumulator::operator[] ( event_type::EventType  type ) const

inline

Cross Section and error of specific type.

total()

XSWithError<double> const& HEJ::CrossSectionAccumulator::total ( ) const

inline

total Cross Section and error

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The documentation for this class was generated from the following file:

• /home/amaier/tmp/website/build/hej/include/HEJ/CrossSectionAccumulator.hh