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PYTHIA
8.311
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#include <Weights.h>
Public Member Functions | |
| void | clear () override |
| Reset all internal values;. More... | |
| void | bookVectors (vector< double > weights, vector< string > names) override |
| Store the current event information. More... | |
| void | collectWeightValues (vector< double > &outputWeights, double norm=1.) override |
| Function to return processed weights to weight container. More... | |
| void | collectWeightNames (vector< string > &outputNames) override |
| Function to return processed weight names to weight container. More... | |
| vector< string > | convertNames (vector< string > names) |
| void | identifyVariationsFromLHAinit (map< string, LHAweight > *weights) |
 Public Member Functions inherited from WeightsBase | |
| virtual void | init () |
| Initialize the weights. | |
| virtual void | init (bool) |
| string | getWeightsName (int iPos) const |
| virtual double | getWeightsValue (int iPos) const |
| int | getWeightsSize () const |
| void | bookWeight (string name, double defaultValue=1.) |
| Function to create a new, synchronized, pair of weight name and value. More... | |
| void | setValueByIndex (int iPos, double val) |
| Functions to set values of weights. | |
| void | setValueByName (string name, double val) |
| virtual void | reweightValueByIndex (int iPos, double val) |
| Functions to reweight weight values, by index or by name. | |
| virtual void | reweightValueByName (string name, double val) |
| int | findIndexOfName (string name) |
| void | setPtrs (Info *infoPtrIn) |
| Set the pointers. | |
Public Attributes | |
| double | centralWeight |
| Central weight, needed for normalization, set from ProcessContainer.cc. | |
Protected Attributes | |
| map< int, double > | muRvars |
| Renormalization variations. | |
| Protected Attributes inherited from WeightsBase | |
| vector< double > | weightValues |
| Weight values and names. | |
| vector< string > | weightNames |
| Info * | infoPtr {} |
| Pointers necessary for variation initialization. | |
Friends | |
| class | WeightsMerging |
| Friends for internal protected members. | |
Additional Inherited Members | |
| Protected Member Functions inherited from WeightsBase | |
| void | parse (string wvecKey, map< string, map< string, double > > &dct) |
| Parse a WVec of variations into a dictionary. More... | |
This is a short example class to collect information on Les Houches Event weights into a container class that can be part of Weight, which in turn is part of Info.
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overridevirtual |
Store the current event information.
Normalize values relative to eventWeightLHEF.
Reimplemented from WeightsBase.
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overridevirtual |
Reset all internal values;.
WeightsLHEF class.
Reset all internal values.
Reimplemented from WeightsBase.
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overridevirtual |
Function to return processed weight names to weight container.
Attach the LHEF weights, starting with well-defined MUF and MUR variations, and then followed by any other LHEF weight.
Reimplemented from WeightsBase.
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overridevirtual |
Function to return processed weights to weight container.
Function to return processed weights to weight container, e.g. if weights should be combined before proceeding.
Attach the LHEF weights, starting with well-defined MUF and MUR variations, and then followed by any other LHEF weight.
Done.
Reimplemented from WeightsBase.
| vector< string > convertNames | ( | vector< string > | names | ) |
Convert weight names in MadGraph5 convention to the convention outlined in https:///arxiv.org/pdf/1405.1067.pdf, page 162ff.
| void identifyVariationsFromLHAinit | ( | map< string, LHAweight > * | weights | ) |
Identify muR (and muF) variations in LHEF weights. This mapping is needed to later combine with the respective shower and merging weights.
Go through all tags of one weight
Erase leading blanks, skip irrelevant tags
Parse muF and muR
Stop if both muF and muR set
Also stop if end of contents reached
For now, only save muR values for corresponding muF=1.
1.8.11
