include/root/RooParamHistFunc.h

0001 /*
0002  * Project: RooFit
0003  *
0004  * Copyright (c) 2023, CERN
0005  *
0006  * Redistribution and use in source and binary forms,
0007  * with or without modification, are permitted according to the terms
0008  * listed in LICENSE (http://roofit.sourceforge.net/license.txt)
0009  */
0010
0011 #ifndef ROO_PARAM_HIST_FUNC
0012 #define ROO_PARAM_HIST_FUNC
0013
0014 #include "RooAbsPdf.h"
0015 #include "RooRealProxy.h"
0016 #include "RooCategoryProxy.h"
0017 #include "RooAbsReal.h"
0018 #include "RooAbsCategory.h"
0019 #include "RooListProxy.h"
0020 #include "RooSetProxy.h"
0021 #include "RooDataHist.h"
0022 #include <list>
0023
0024 class RooParamHistFunc : public RooAbsReal {
0025 public:
0026   RooParamHistFunc() {} ;
0027   RooParamHistFunc(const char *name, const char *title, RooDataHist &dh, const RooAbsArg &x,
0028                    const RooParamHistFunc *paramSource = nullptr, bool paramRelative = true);
0029   RooParamHistFunc(const RooParamHistFunc& other, const char* name=nullptr) ;
0030   TObject* clone(const char* newname) const override { return new RooParamHistFunc(*this,newname); }
0031
0032   std::list<double>* binBoundaries(RooAbsRealLValue& /*obs*/, double /*xlo*/, double /*xhi*/) const override ;
0033   std::list<double>* plotSamplingHint(RooAbsRealLValue& obs, double xlo, double xhi) const override ;
0034   bool isBinnedDistribution(const RooArgSet&) const override { return true ; }
0035
0036
0037   bool forceAnalyticalInt(const RooAbsArg&) const override { return true ; }
0038   Int_t getAnalyticalIntegralWN(RooArgSet& allVars, RooArgSet& analVars, const RooArgSet* normSet,const char* rangeName=nullptr) const override ;
0039   double analyticalIntegralWN(Int_t code, const RooArgSet* normSet, const char* rangeName=nullptr) const override ;
0040
0041   double getActual(Int_t ibin) ;
0042   void setActual(Int_t ibin, double newVal) ;
0043   double getNominal(Int_t ibin) const ;
0044   double getNominalError(Int_t ibin) const ;
0045
0046   const RooArgList& paramList() const { return _p ; }
0047
0048   void translate(RooFit::Detail::CodeSquashContext &ctx) const override;
0049
0050  protected:
0051
0052   friend class RooHistConstraint ;
0053
0054   RooListProxy  _x ;
0055   RooListProxy _p ;
0056   RooDataHist _dh ;
0057   bool _relParam ;
0058
0059   double evaluate() const override ;
0060
0061 private:
0062
0063   ClassDefOverride(RooParamHistFunc,1);
0064 };
0065
0066 #endif