/usr/include/root/RooRealSumPdf.h is in libroot-roofit-dev 5.34.00-2.
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: RooFit *
* Package: RooFitCore *
* File: $Id: RooRealSumPdf.h,v 1.10 2007/05/11 09:11:30 verkerke Exp $
* Authors: *
* WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
* DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
* *
* Copyright (c) 2000-2005, Regents of the University of California *
* and Stanford University. All rights reserved. *
* *
* Redistribution and use in source and binary forms, *
* with or without modification, are permitted according to the terms *
* listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
*****************************************************************************/
#ifndef ROO_REAL_SUM_PDF
#define ROO_REAL_SUM_PDF
#include "RooAbsPdf.h"
#include "RooListProxy.h"
#include "RooAICRegistry.h"
#include "RooObjCacheManager.h"
class RooRealSumPdf : public RooAbsPdf {
public:
RooRealSumPdf() ;
RooRealSumPdf(const char *name, const char *title);
RooRealSumPdf(const char *name, const char *title, const RooArgList& funcList, const RooArgList& coefList, Bool_t extended=kFALSE) ;
RooRealSumPdf(const char *name, const char *title,
RooAbsReal& func1, RooAbsReal& func2, RooAbsReal& coef1) ;
RooRealSumPdf(const RooRealSumPdf& other, const char* name=0) ;
virtual TObject* clone(const char* newname) const { return new RooRealSumPdf(*this,newname) ; }
virtual ~RooRealSumPdf() ;
Double_t evaluate() const ;
virtual Bool_t checkObservables(const RooArgSet* nset) const ;
virtual Bool_t forceAnalyticalInt(const RooAbsArg&) const { return kTRUE ; }
Int_t getAnalyticalIntegralWN(RooArgSet& allVars, RooArgSet& numVars, const RooArgSet* normSet, const char* rangeName=0) const ;
Double_t analyticalIntegralWN(Int_t code, const RooArgSet* normSet, const char* rangeName=0) const ;
const RooArgList& funcList() const { return _funcList ; }
const RooArgList& coefList() const { return _coefList ; }
virtual ExtendMode extendMode() const ;
virtual Double_t expectedEvents(const RooArgSet* nset) const ;
virtual Double_t expectedEvents(const RooArgSet& nset) const {
// Return expected number of events for extended likelihood calculation
// which is the sum of all coefficients
return expectedEvents(&nset) ;
}
void printMetaArgs(ostream& os) const ;
virtual std::list<Double_t>* binBoundaries(RooAbsRealLValue& /*obs*/, Double_t /*xlo*/, Double_t /*xhi*/) const ;
virtual std::list<Double_t>* plotSamplingHint(RooAbsRealLValue& /*obs*/, Double_t /*xlo*/, Double_t /*xhi*/) const ;
Bool_t isBinnedDistribution(const RooArgSet& obs) const ;
protected:
class CacheElem : public RooAbsCacheElement {
public:
CacheElem() {} ;
virtual ~CacheElem() {} ;
virtual RooArgList containedArgs(Action) { RooArgList ret(_funcIntList) ; ret.add(_funcNormList) ; return ret ; }
RooArgList _funcIntList ;
RooArgList _funcNormList ;
} ;
mutable RooObjCacheManager _normIntMgr ; // The integration cache manager
Bool_t _haveLastCoef ;
RooListProxy _funcList ; // List of component FUNCs
RooListProxy _coefList ; // List of coefficients
TIterator* _funcIter ; //! Iterator over FUNC list
TIterator* _coefIter ; //! Iterator over coefficient list
Bool_t _extended ; // Allow use as extended p.d.f.
private:
ClassDef(RooRealSumPdf,2) // PDF constructed from a sum of (non-pdf) functions
};
#endif
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