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RooKeysPdf.h
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1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitModels *
4  * File: $Id: RooKeysPdf.h,v 1.10 2007/05/11 09:13:07 verkerke Exp $
5  * Authors: *
6  * GR, Gerhard Raven, UC San Diego, raven@slac.stanford.edu *
7  * DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
8  * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
9  * *
10  * Copyright (c) 2000-2005, Regents of the University of California *
11  * and Stanford University. All rights reserved. *
12  * *
13  * Redistribution and use in source and binary forms, *
14  * with or without modification, are permitted according to the terms *
15  * listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
16  *****************************************************************************/
17 #ifndef ROO_KEYS
18 #define ROO_KEYS
19 
20 #include "RooAbsPdf.h"
21 #include "RooRealProxy.h"
22 
23 class RooRealVar;
24 
25 class RooKeysPdf : public RooAbsPdf {
26 public:
31  RooKeysPdf() ;
32  RooKeysPdf(const char *name, const char *title,
34  Double_t rho=1);
35  RooKeysPdf(const char *name, const char *title,
36  RooAbsReal& x, RooRealVar& xdata, RooDataSet& data, Mirror mirror= NoMirror,
37  Double_t rho=1);
38  RooKeysPdf(const RooKeysPdf& other, const char* name=0);
39  virtual TObject* clone(const char* newname) const {return new RooKeysPdf(*this,newname); }
40  virtual ~RooKeysPdf();
41 
42  virtual Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars,
43  const char* rangeName = 0) const;
44  virtual Double_t analyticalIntegral(Int_t code, const char* rangeName = 0) const;
45  virtual Int_t getMaxVal(const RooArgSet& vars) const;
46  virtual Double_t maxVal(Int_t code) const;
47 
48  void LoadDataSet( RooDataSet& data);
49 
50 protected:
51 
53  Double_t evaluate() const;
54 
55 private:
56  // how far you have to go out in a Gaussian until it is smaller than the
57  // machine precision
58  static const Double_t _nSigma; //!
59 
61  Double_t *_dataPts; //[_nEvents]
62  Double_t *_dataWgts; //[_nEvents]
63  Double_t *_weights; //[_nEvents]
65 
66  enum { _nPoints = 1000 };
68 
70 
73 
74  // cached info on variable
78 
79  ClassDef(RooKeysPdf,2) // One-dimensional non-parametric kernel estimation p.d.f.
80 };
81 
82 #endif
Double_t _lookupTable[_nPoints+1]
Definition: RooKeysPdf.h:67
Double_t * _dataWgts
Definition: RooKeysPdf.h:62
virtual Int_t getMaxVal(const RooArgSet &vars) const
Advertise capability to determine maximum value of function for given set of observables.
Definition: RooKeysPdf.cxx:376
virtual Double_t analyticalIntegral(Int_t code, const char *rangeName=0) const
Implements the actual analytical integral(s) advertised by getAnalyticalIntegral. ...
Definition: RooKeysPdf.cxx:336
Double_t _lo
Definition: RooKeysPdf.h:76
Double_t * _weights
Definition: RooKeysPdf.h:63
Bool_t _mirrorLeft
Definition: RooKeysPdf.h:71
Double_t _sumWgt
Definition: RooKeysPdf.h:64
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
Double_t x[n]
Definition: legend1.C:17
#define ClassDef(name, id)
Definition: Rtypes.h:297
Class RooKeysPdf implements a one-dimensional kernel estimation p.d.f which model the distribution of...
Definition: RooKeysPdf.h:25
RooAbsMoment * sigma(RooRealVar &obs)
Definition: RooAbsReal.h:299
Bool_t _asymRight
Definition: RooKeysPdf.h:72
void LoadDataSet(RooDataSet &data)
Definition: RooKeysPdf.cxx:178
Double_t _binWidth
Definition: RooKeysPdf.h:76
static const Double_t _nSigma
Definition: RooKeysPdf.h:58
RooRealVar represents a fundamental (non-derived) real valued object.
Definition: RooRealVar.h:36
Double_t g(Double_t x, Double_t sigma) const
Definition: RooKeysPdf.cxx:393
virtual ~RooKeysPdf()
Definition: RooKeysPdf.cxx:156
RooKeysPdf()
coverity[UNINIT_CTOR]
Definition: RooKeysPdf.cxx:60
Char_t _varName[128]
Definition: RooKeysPdf.h:75
virtual Double_t maxVal(Int_t code) const
Return maximum value for set of observables identified by code assigned in getMaxVal.
Definition: RooKeysPdf.cxx:382
Double_t _hi
Definition: RooKeysPdf.h:76
Int_t _nEvents
Definition: RooKeysPdf.h:60
RooDataSet is a container class to hold unbinned data.
Definition: RooDataSet.h:29
Bool_t _mirrorRight
Definition: RooKeysPdf.h:71
virtual TObject * clone(const char *newname) const
Definition: RooKeysPdf.h:39
Double_t _rho
Definition: RooKeysPdf.h:77
virtual Int_t getAnalyticalIntegral(RooArgSet &allVars, RooArgSet &analVars, const char *rangeName=0) const
Interface function getAnalyticalIntergral advertises the analytical integrals that are supported...
Definition: RooKeysPdf.cxx:329
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
Bool_t _asymLeft
Definition: RooKeysPdf.h:72
Mother of all ROOT objects.
Definition: TObject.h:37
char Char_t
Definition: RtypesCore.h:29
RooAbsPdf is the abstract interface for all probability density functions The class provides hybrid a...
Definition: RooAbsPdf.h:41
Double_t evaluate() const
Definition: RooKeysPdf.cxx:306
RooRealProxy _x
Definition: RooKeysPdf.h:52
RooRealProxy is the concrete proxy for RooAbsReal objects A RooRealProxy is the general mechanism to ...
Definition: RooRealProxy.h:23
Double_t * _dataPts
Definition: RooKeysPdf.h:61