WeightBase Class Reference

Abstract base class for per-event weights. More...

#include <WeightBase.h>

Inheritance diagram for WeightBase:

[legend]

List of all members.

Public Member Functions
virtual double	NominalWeight () const =0
	Returns nominal weight for the current event.
virtual int	NumVariations () const
	Returns number of supported systematic variations.
virtual double	operator() () const
	Returns the default weight.
virtual double	RelWeight (int) const
	Returns relative weight for requested systematic variation.
virtual std::string_view	VariationName (int) const
	Returns the label of the systematic variation with the given index.

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Detailed Description

Abstract base class for per-event weights.

All classes implementing per-event weights should inherit from this one to comply with the standard interface.

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Member Function Documentation

virtual int WeightBase::NumVariations

(

)

const [inline, virtual]

Returns number of supported systematic variations.

Up and down variations are counted separately. The nominal weight is not included.

Reimplemented in BTagWeight, EWCorrectionWeight, GenWeight, L1TPrefiringWeight, PileUpIdWeight, and PileUpWeight.

virtual double WeightBase::operator()

(

)

const [inline, virtual]

Returns the default weight.

This might be different from the nominal weight if a specific variation has been requested via command line options.

Reimplemented in BTagWeight, EWCorrectionWeight, GenWeight, L1TPrefiringWeight, PileUpIdWeight, and PileUpWeight.

virtual double WeightBase::RelWeight

(

int

)

const [inline, virtual]

Returns relative weight for requested systematic variation.

The relative weight is computed with respect to the nominal weight. The argument must satisfy 0 <= variation < NumVariations().

Reimplemented in BTagWeight, EWCorrectionWeight, GenWeight, L1TPrefiringWeight, PileUpIdWeight, and PileUpWeight.

virtual std::string_view WeightBase::VariationName

(

int

)

const [inline, virtual]

Returns the label of the systematic variation with the given index.

If the variation has the meaning of an "up" or "down" one, the label must end with "_up" or "_down" respectively. The argument must satisfy 0 <= variation < NumVariations().

Reimplemented in BTagWeight, EWCorrectionWeight, GenWeight, L1TPrefiringWeight, PileUpIdWeight, and PileUpWeight.

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

• include/WeightBase.h