00001 /***************************************************************************** 00002 * Project: RooFit * 00003 * Package: RooFitModels * 00004 * File: $Id: RooBernstein.h 28259 2009-04-16 16:21:16Z wouter $ 00005 * Authors: * 00006 * Kyle Cranmer 00007 * * 00008 * * 00009 * Redistribution and use in source and binary forms, * 00010 * with or without modification, are permitted according to the terms * 00011 * listed in LICENSE (http://roofit.sourceforge.net/license.txt) * 00012 *****************************************************************************/ 00013 #ifndef ROO_BERNSTEIN 00014 #define ROO_BERNSTEIN 00015 00016 #include "RooAbsPdf.h" 00017 #include "RooRealProxy.h" 00018 #include "RooListProxy.h" 00019 00020 class RooRealVar; 00021 class RooArgList ; 00022 00023 class RooBernstein : public RooAbsPdf { 00024 public: 00025 00026 RooBernstein() ; 00027 RooBernstein(const char *name, const char *title, 00028 RooAbsReal& _x, const RooArgList& _coefList) ; 00029 00030 RooBernstein(const RooBernstein& other, const char* name = 0); 00031 virtual TObject* clone(const char* newname) const { return new RooBernstein(*this, newname); } 00032 inline virtual ~RooBernstein() { } 00033 00034 Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const ; 00035 Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const ; 00036 00037 private: 00038 00039 RooRealProxy _x; 00040 RooListProxy _coefList ; 00041 00042 Double_t evaluate() const; 00043 00044 ClassDef(RooBernstein,1) // Bernstein polynomial PDF 00045 }; 00046 00047 #endif