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 RooEfficiency : public RooAbsPdf {
0025 public:
0026   // Constructors, assignment etc
0027   /// Default constructor
0028   inline RooEfficiency() {
0029   }
0030   RooEfficiency(const char *name, const char *title, const RooAbsReal& effFunc, const RooAbsCategory& cat, const char* sigCatName);
0031   RooEfficiency(const RooEfficiency& other, const char* name=nullptr);
0032   TObject* clone(const char* newname) const override { return new RooEfficiency(*this,newname); }
0033
0034   Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=nullptr) const override ;
0035   double analyticalIntegral(Int_t code, const char* rangeName=nullptr) const override ;
0036   void translate(RooFit::Detail::CodeSquashContext &ctx) const override;
0037   std::string
0038   buildCallToAnalyticIntegral(Int_t code, const char *rangeName, RooFit::Detail::CodeSquashContext &ctx) const override;
0039
0040 protected:
0041
0042   // Function evaluation
0043   double evaluate() const override ;
0044   RooCategoryProxy _cat ; ///< Accept/reject categort
0045   RooRealProxy _effFunc ; ///< Efficiency modeling function
0046   TString _sigCatName ;   ///< Name of accept state of accept/reject category
0047
0048   ClassDefOverride(RooEfficiency,1) // Generic PDF defined by string expression and list of variables
0049 };
0050
0051 #endif