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RooPolynomial.h
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1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitModels *
4  * File: $Id: RooPolynomial.h,v 1.8 2007/05/11 09:13:07 verkerke Exp $
5  * Authors: *
6  * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
7  * DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
8  * *
9  * Copyright (c) 2000-2005, Regents of the University of California *
10  * and Stanford University. All rights reserved. *
11  * *
12  * Redistribution and use in source and binary forms, *
13  * with or without modification, are permitted according to the terms *
14  * listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
15  *****************************************************************************/
16 #ifndef ROO_POLYNOMIAL
17 #define ROO_POLYNOMIAL
18 
19 #include <vector>
20 
21 #include "RooAbsPdf.h"
22 #include "RooRealProxy.h"
23 #include "RooListProxy.h"
24 
25 class RooRealVar;
26 class RooArgList ;
27 
28 class RooPolynomial : public RooAbsPdf {
29 public:
30 
31  RooPolynomial() ;
32  RooPolynomial(const char* name, const char* title, RooAbsReal& x) ;
33  RooPolynomial(const char *name, const char *title,
34  RooAbsReal& _x, const RooArgList& _coefList, Int_t lowestOrder=1) ;
35 
36  RooPolynomial(const RooPolynomial& other, const char* name = 0);
37  virtual TObject* clone(const char* newname) const { return new RooPolynomial(*this, newname); }
38  virtual ~RooPolynomial() ;
39 
40  Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const ;
41  Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const ;
42 
43 protected:
44 
48 
49  mutable std::vector<Double_t> _wksp; //! do not persist
50 
51  Double_t evaluate() const;
52 
53  ClassDef(RooPolynomial,1) // Polynomial PDF
54 };
55 
56 #endif
RooListProxy _coefList
Definition: RooPolynomial.h:46
RooRealProxy _x
Definition: RooPolynomial.h:45
virtual ~RooPolynomial()
Destructor.
RooPolynomial()
coverity[UNINIT_CTOR]
int Int_t
Definition: RtypesCore.h:41
Double_t x[n]
Definition: legend1.C:17
#define ClassDef(name, id)
Definition: Rtypes.h:297
Double_t evaluate() const
do not persist
Double_t analyticalIntegral(Int_t code, const char *rangeName=0) const
Implements the actual analytical integral(s) advertised by getAnalyticalIntegral. ...
virtual TObject * clone(const char *newname) const
Definition: RooPolynomial.h:37
Int_t getAnalyticalIntegral(RooArgSet &allVars, RooArgSet &analVars, const char *rangeName=0) const
Interface function getAnalyticalIntergral advertises the analytical integrals that are supported...
RooRealVar represents a fundamental (non-derived) real valued object.
Definition: RooRealVar.h:36
std::vector< Double_t > _wksp
Definition: RooPolynomial.h:49
RooListProxy is the concrete proxy for RooArgList objects.
Definition: RooListProxy.h:25
double Double_t
Definition: RtypesCore.h:55
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:53
Mother of all ROOT objects.
Definition: TObject.h:37
RooAbsPdf is the abstract interface for all probability density functions The class provides hybrid a...
Definition: RooAbsPdf.h:41
Int_t _lowestOrder
Definition: RooPolynomial.h:47
RooRealProxy is the concrete proxy for RooAbsReal objects A RooRealProxy is the general mechanism to ...
Definition: RooRealProxy.h:23
RooPolynomial implements a polynomial p.d.f of the form By default coefficient a_0 is chosen to be 1...
Definition: RooPolynomial.h:28