Revision 716fb731a3c8c9b583235feddac21006994d9626 authored by Kyle Cranmer on 03 August 2011, 22:09:36 UTC, committed by Kyle Cranmer on 03 August 2011, 22:09:36 UTC
git-svn-id: http://root.cern.ch/svn/root/branches/v5-30-00-patches@40446 27541ba8-7e3a-0410-8455-c3a389f83636
1 parent 0db9ccb
RooHistFunc.h
/*****************************************************************************
* Project: RooFit *
* Package: RooFitCore *
* File: $Id$
* 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_HIST_FUNC
#define ROO_HIST_FUNC
#include "RooAbsReal.h"
#include "RooRealProxy.h"
#include "RooSetProxy.h"
#include "RooAICRegistry.h"
class RooRealVar;
class RooAbsReal;
class RooDataHist ;
class RooHistFunc : public RooAbsReal {
public:
RooHistFunc() ;
RooHistFunc(const char *name, const char *title, const RooArgSet& vars, const RooDataHist& dhist, Int_t intOrder=0);
RooHistFunc(const RooHistFunc& other, const char* name=0);
virtual TObject* clone(const char* newname) const { return new RooHistFunc(*this,newname); }
inline virtual ~RooHistFunc() { }
RooDataHist& dataHist() {
// Return RooDataHist that is represented
return *_dataHist ;
}
const RooDataHist& dataHist() const {
// Return RooDataHist that is represented
return *_dataHist ;
}
void setInterpolationOrder(Int_t order) {
// Set histogram interpolation order
_intOrder = order ;
}
Int_t getInterpolationOrder() const {
// Return histogram interpolation order
return _intOrder ;
}
Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const ;
Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const ;
void setCdfBoundaries(Bool_t flag) {
// Set use of special boundary conditions for c.d.f.s
_cdfBoundaries = flag ;
}
Bool_t getCdfBoundaries() const {
// If true, special boundary conditions for c.d.f.s are used
return _cdfBoundaries ;
}
virtual std::list<Double_t>* plotSamplingHint(RooAbsRealLValue& obs, Double_t xlo, Double_t xhi) const ;
protected:
Double_t evaluate() const;
Double_t totalVolume() const ;
friend class RooAbsCachedReal ;
Double_t totVolume() const ;
RooSetProxy _depList ; // List of dependents defining dimensions of histogram
RooDataHist* _dataHist ; // Unowned pointer to underlying histogram
mutable RooAICRegistry _codeReg ; //! Auxiliary class keeping tracking of analytical integration code
Int_t _intOrder ; // Interpolation order
Bool_t _cdfBoundaries ; // Use boundary conditions for CDFs.
mutable Double_t _totVolume ; //! Total volume of space (product of ranges of observables)
Bool_t _unitNorm ; //! Assume contents is unit normalized (for use as pdf cache)
ClassDef(RooHistFunc,1) // Histogram based function
};
#endif
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