/usr/include/root/RooAbsGenContext.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: RooAbsGenContext.h,v 1.15 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_ABS_GEN_CONTEXT
#define ROO_ABS_GEN_CONTEXT
#include "TNamed.h"
#include "RooPrintable.h"
#include "RooArgSet.h"
#include "RooAbsPdf.h"
class RooDataSet;
class RooAbsGenContext : public TNamed, public RooPrintable {
public:
RooAbsGenContext(const RooAbsPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0, const RooArgSet* auxProto=0,
Bool_t _verbose= kFALSE) ;
virtual ~RooAbsGenContext();
virtual RooDataSet *generate(Int_t nEvents= 0, Bool_t skipInit=kFALSE, Bool_t extendedMode=kFALSE);
Bool_t isValid() const {
// If true generator context is in a valid state
return _isValid;
}
inline void setVerbose(Bool_t verbose= kTRUE) {
// Set/clear verbose messaging
_verbose= verbose;
}
inline Bool_t isVerbose() const {
// If true verbose messaging is active
return _verbose;
}
virtual void setProtoDataOrder(Int_t* lut) ;
inline virtual void Print(Option_t *options= 0) const {
// Print context information on stdout
printStream(defaultPrintStream(),defaultPrintContents(options),defaultPrintStyle(options));
}
virtual void attach(const RooArgSet& params) ;
virtual void printName(ostream& os) const ;
virtual void printTitle(ostream& os) const ;
virtual void printClassName(ostream& os) const ;
virtual void printArgs(ostream& os) const ;
virtual void printMultiline(ostream& os, Int_t contents, Bool_t verbose=kFALSE, TString indent="") const;
virtual Int_t defaultPrintContents(Option_t* opt) const ;
virtual StyleOption defaultPrintStyle(Option_t* opt) const ;
virtual void setExpectedData(Bool_t) {} ;
protected:
virtual RooDataSet* createDataSet(const char* name, const char* title, const RooArgSet& obs) ;
friend class RooConvGenContext ;
friend class RooProdGenContext ;
friend class RooAddGenContext ;
friend class RooSimGenContext ;
friend class RooSimSplitGenContext ;
friend class RooEffGenContext ;
virtual void initGenerator(const RooArgSet &theEvent);
virtual void generateEvent(RooArgSet &theEvent, Int_t remaining) = 0;
void resampleData(Double_t& ratio) ;
const RooDataSet *_prototype; // Pointer to prototype dataset
RooArgSet *_theEvent; // Pointer to observable event being generated
Bool_t _isValid; // Is context in valid state?
Bool_t _verbose; // Verbose messaging?
UInt_t _expectedEvents; // Number of expected events from extended p.d.f
RooArgSet _protoVars; // Prototype observables
Int_t _nextProtoIndex; // Next prototype event to load according to LUT
RooAbsPdf::ExtendMode _extendMode ; // Extended mode capabilities of p.d.f.
Int_t* _protoOrder ; // LUT with traversal order of prototype data
TString _normRange ; // Normalization range of pdf
RooDataSet* _genData ; //! Data being generated
ClassDef(RooAbsGenContext,0) // Abstract context for generating a dataset from a PDF
};
#endif
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