/usr/include/root/TMVA/BDTEventWrapper.h is in libroot-tmva-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Project: TMVA - a Root-integrated toolkit for multivariate data analysis *
* Package: TMVA *
* Class : BDTEventWrapper *
* Web : http://tmva.sourceforge.net *
* *
* Description: *
* *
* *
* Author: Doug Schouten (dschoute@sfu.ca) *
* *
* Copyright (c) 2007: *
* CERN, Switzerland *
* U. of Texas at Austin, USA *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted according to the terms listed in LICENSE *
* (http://tmva.sourceforge.net/LICENSE) *
**********************************************************************************/
#ifndef ROOT_TMVA_BDTEventWrapper
#define ROOT_TMVA_BDTEventWrapper
#ifndef ROOT_Event
#include "Event.h"
#endif
namespace TMVA {
class BDTEventWrapper{
public:
BDTEventWrapper( const Event* );
~BDTEventWrapper();
// Require '<' operator to use std::sort algorithms on collection of Events
Bool_t operator <( const BDTEventWrapper& other ) const;
// Set the accumulated weight, for sorted signal/background events
/**
* @param fType - true for signal, false for background
* @param weight - the total weight
*/
void SetCumulativeWeight( Bool_t type, Double_t weight );
// Get the accumulated weight
/**
* @param fType - true for signal, false for background
* @return the cumulative weight for sorted signal/background events
*/
Double_t GetCumulativeWeight( Bool_t type ) const;
// Set the index of the variable to compare on
/**
* @param iVar - index of the variable in fEvent to use
*/
inline static void SetVarIndex( Int_t iVar ) { if (iVar >= 0) fVarIndex = iVar; }
// Return the value of variable fVarIndex for this event
/**
* @return value of variable fVarIndex for this event
*/
inline Double_t GetVal() const { return fEvent->GetValue(fVarIndex); }
const Event* operator*() const { return fEvent; }
private:
static Int_t fVarIndex; // index of the variable to sort on
const Event* fEvent; // pointer to the event
Double_t fBkgWeight; // cumulative background weight for splitting
Double_t fSigWeight; // same for the signal weights
};
}
inline Bool_t TMVA::BDTEventWrapper::operator<( const BDTEventWrapper& other ) const
{
return GetVal() < other.GetVal();
}
#endif
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