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RooDstD0BG.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitModels *
4 * File: $Id: RooDstD0BG.h,v 1.12 2007/07/12 20:30:49 wouter Exp $
5 * Authors: *
6 * UE, Ulrik Egede, RAL, U.Egede@rl.ac.uk *
7 * MT, Max Turri, UC Santa Cruz turri@slac.stanford.edu *
8 * CC, Chih-hsiang Cheng, Stanford chcheng@slac.stanford.edu *
9 * DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
10 * *
11 * Copyright (c) 2000-2005, Regents of the University of California *
12 * RAL and Stanford University. All rights reserved.*
13 * *
14 * Redistribution and use in source and binary forms, *
15 * with or without modification, are permitted according to the terms *
16 * listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
17 *****************************************************************************/
18#ifndef ROO_DstD0_BG
19#define ROO_DstD0_BG
20
21#include "RooAbsPdf.h"
22#include "RooRealProxy.h"
23
24class RooRealVar;
25
26class RooDstD0BG : public RooAbsPdf {
27public:
29 RooDstD0BG(const char *name, const char *title,
30 RooAbsReal& _dm, RooAbsReal& _dm0, RooAbsReal& _c,
31 RooAbsReal& _a, RooAbsReal& _b);
32
33 RooDstD0BG(const RooDstD0BG& other, const char *name=0) ;
34 virtual TObject *clone(const char *newname) const {
35 return new RooDstD0BG(*this,newname); }
36 inline virtual ~RooDstD0BG() { };
37
38 Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const ;
39 Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const ;
40
41protected:
42
46
47 Double_t evaluate() const;
49
50private:
51
52 ClassDef(RooDstD0BG,1) // D*-D0 mass difference background PDF
53};
54
55#endif
int Int_t
Definition: RtypesCore.h:45
double Double_t
Definition: RtypesCore.h:59
#define ClassDef(name, id)
Definition: Rtypes.h:325
char name[80]
Definition: TGX11.cxx:110
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:61
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:35
Special p.d.f shape that can be used to model the background of D*-D0 mass difference distributions.
Definition: RooDstD0BG.h:26
RooRealProxy B
Definition: RooDstD0BG.h:45
RooRealProxy dm
Definition: RooDstD0BG.h:43
RooRealProxy A
Definition: RooDstD0BG.h:45
Double_t analyticalIntegral(Int_t code, const char *rangeName=0) const
Implements the actual analytical integral(s) advertised by getAnalyticalIntegral.
Definition: RooDstD0BG.cxx:99
RooRealProxy dm0
Definition: RooDstD0BG.h:44
virtual ~RooDstD0BG()
Definition: RooDstD0BG.h:36
RooRealProxy C
Definition: RooDstD0BG.h:45
virtual TObject * clone(const char *newname) const
Definition: RooDstD0BG.h:34
Int_t getAnalyticalIntegral(RooArgSet &allVars, RooArgSet &analVars, const char *rangeName=0) const
if (matchArgs(allVars,analVars,dm)) return 1 ;
Definition: RooDstD0BG.cxx:92
Double_t evaluate() const
Evaluate this PDF / function / constant. Needs to be overridden by all derived classes.
Definition: RooDstD0BG.cxx:72
RooSpan< double > evaluateSpan(RooBatchCompute::RunContext &evalData, const RooArgSet *normSet) const
Compute multiple values of D*-D0 mass difference distribution.
Definition: RooDstD0BG.cxx:84
RooRealVar represents a variable that can be changed from the outside.
Definition: RooRealVar.h:39
A simple container to hold a batch of data values.
Definition: RooSpan.h:34
Mother of all ROOT objects.
Definition: TObject.h:37
This struct enables passing computation data around between elements of a computation graph.
Definition: RunContext.h:31