include/root/RooEfficiency.h

0001 /*****************************************************************************
0002  * Project: RooFit                                                           *
0003  * Package: RooFitCore                                                       *
0004  *    File: $Id: RooEfficiency.h,v 1.6 2007/05/11 10:14:56 verkerke Exp $
0005  * Authors:                                                                  *
0006  *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu       *
0007  *   DK, David Kirkby,    UC Irvine,         dkirkby@uci.edu                 *
0008  *                                                                           *
0009  * Copyright (c) 2000-2005, Regents of the University of California          *
0010  *                          and Stanford University. All rights reserved.    *
0011  *                                                                           *
0012  * Redistribution and use in source and binary forms,                        *
0013  * with or without modification, are permitted according to the terms        *
0014  * listed in LICENSE (http://roofit.sourceforge.net/license.txt)             *
0015  *****************************************************************************/
0016 #ifndef ROO_EFFICIENCY
0017 #define ROO_EFFICIENCY
0018
0019 #include "RooAbsPdf.h"
0020 #include "RooCategoryProxy.h"
0021 #include "RooRealProxy.h"
0022 #include "TString.h"
0023
0024 class RooArgList ;
0025
0026
0027 class RooEfficiency : public RooAbsPdf {
0028 public:
0029   // Constructors, assignment etc
0030   /// Default constructor
0031   inline RooEfficiency() {
0032   }
0033   RooEfficiency(const char *name, const char *title, const RooAbsReal& effFunc, const RooAbsCategory& cat, const char* sigCatName);
0034   RooEfficiency(const RooEfficiency& other, const char* name=nullptr);
0035   TObject* clone(const char* newname) const override { return new RooEfficiency(*this,newname); }
0036   ~RooEfficiency() override;
0037
0038   Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=nullptr) const override ;
0039   double analyticalIntegral(Int_t code, const char* rangeName=nullptr) const override ;
0040
0041 protected:
0042
0043   // Function evaluation
0044   double evaluate() const override ;
0045   RooCategoryProxy _cat ; ///< Accept/reject categort
0046   RooRealProxy _effFunc ; ///< Efficiency modeling function
0047   TString _sigCatName ;   ///< Name of accept state of accept/reject category
0048
0049   ClassDefOverride(RooEfficiency,1) // Generic PDF defined by string expression and list of variables
0050 };
0051
0052 #endif