/usr/include/root/RooAbsNumGenerator.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: RooAbsNumGenerator.h 36209 2010-10-08 21:37:36Z wouter $
* 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_NUM_GENERATOR
#define ROO_ABS_NUM_GENERATOR
#include "TNamed.h"
#include "RooPrintable.h"
#include "RooArgSet.h"
#include "RooArgList.h"
class RooAbsReal;
class RooRealVar;
class RooDataSet;
class RooRealBinding;
class RooNumGenConfig ;
class RooAbsNumGenerator : public TNamed, public RooPrintable {
public:
RooAbsNumGenerator() : _cloneSet(0), _funcClone(0), _funcMaxVal(0), _verbose(kFALSE), _isValid(kFALSE), _funcValStore(0), _funcValPtr(0), _cache(0) {} ;
RooAbsNumGenerator(const RooAbsReal &func, const RooArgSet &genVars, Bool_t verbose=kFALSE, const RooAbsReal* maxFuncVal=0);
virtual RooAbsNumGenerator* clone(const RooAbsReal&, const RooArgSet& genVars, const RooArgSet& condVars,
const RooNumGenConfig& config, Bool_t verbose=kFALSE, const RooAbsReal* maxFuncVal=0) const = 0 ;
Bool_t isValid() const {
// If true, generator is in a valid state
return _isValid;
}
virtual ~RooAbsNumGenerator();
inline void setVerbose(Bool_t verbose= kTRUE) {
// If flag is true, verbose messaging will be active during generation
_verbose= verbose;
}
inline Bool_t isVerbose() const {
// Return status of verbose messaging flag
return _verbose;
}
virtual const RooArgSet *generateEvent(UInt_t remaining, Double_t& resampleRatio) = 0;
virtual Double_t getFuncMax() { return 0 ; }
inline virtual void Print(Option_t *options= 0) const {
// ascii printing interface
printStream(defaultPrintStream(),defaultPrintContents(options),defaultPrintStyle(options));
}
virtual void printName(ostream& os) const ;
virtual void printTitle(ostream& os) const ;
virtual void printClassName(ostream& os) const ;
virtual void printArgs(ostream& os) const ;
void attachParameters(const RooArgSet& vars) ;
// Advertisement of capabilities
virtual Bool_t canSampleCategories() const { return kFALSE ; }
virtual Bool_t canSampleConditional() const { return kFALSE ; } // Must implement getFuncMax()
protected:
RooArgSet *_cloneSet; // Set owning clone of input function
RooAbsReal *_funcClone; // Pointer to top level node of cloned function
const RooAbsReal *_funcMaxVal ; // Container for maximum function value
RooArgSet _catVars,_realVars ; // Sets of discrete and real valued observabeles
Bool_t _verbose, _isValid; // Verbose and valid flag
RooRealVar *_funcValStore,*_funcValPtr; // RRVs storing function value in context and in output dataset
RooDataSet *_cache; // Dataset holding generared values of observables
ClassDef(RooAbsNumGenerator,0) // Abstract base class for numeric event generator algorithms
};
#endif
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