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RooTFnBinding.cxx
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1/*****************************************************************************
2 * Project: RooFit *
3 * *
4 * This code was autogenerated by RooClassFactory *
5 *****************************************************************************/
6
7/** \class RooTFnBinding
8 \ingroup Roofit
9
10**/
11
12#include "Riostream.h"
13
14#include "RooTFnBinding.h"
15#include "RooAbsReal.h"
16#include "RooAbsCategory.h"
17#include "TF3.h"
18
19using namespace std;
20
22
23////////////////////////////////////////////////////////////////////////////////
24
25RooTFnBinding::RooTFnBinding(const char *name, const char *title, TF1* func, const RooArgList& list) :
26 RooAbsReal(name,title),
27 _olist("obs","obs",this),
28 _func(func)
29{
30 _olist.add(list) ;
31}
32
33////////////////////////////////////////////////////////////////////////////////
34
35RooTFnBinding::RooTFnBinding(const char *name, const char *title, TF1* func, const RooArgList& obsList, const RooArgList& paramList) :
36 RooAbsReal(name,title),
37 _olist("obs","obs",this),
38 _plist("params","params",this),
39 _func(func)
40{
41 _olist.add(obsList) ;
42 _plist.add(paramList) ;
43}
44
45////////////////////////////////////////////////////////////////////////////////
46
48 RooAbsReal(other,name),
49 _olist("obs",this,other._olist),
50 _plist("params",this,other._plist),
51 _func(other._func)
52{
53}
54
55////////////////////////////////////////////////////////////////////////////////
56
58{
59 Double_t x = _olist.at(0) ? ((RooAbsReal*)_olist.at(0))->getVal() : 0 ;
60 Double_t y = _olist.at(1) ? ((RooAbsReal*)_olist.at(1))->getVal() : 0 ;
61 Double_t z = _olist.at(2) ? ((RooAbsReal*)_olist.at(2))->getVal() : 0 ;
62 for (Int_t i=0 ; i<_func->GetNpar() ; i++) {
63 _func->SetParameter(i,_plist.at(i)?((RooAbsReal*)_plist.at(i))->getVal() : 0) ;
64 }
65 return _func->Eval(x,y,z) ;
66}
67
68////////////////////////////////////////////////////////////////////////////////
69
70void RooTFnBinding::printArgs(ostream& os) const
71{
72 // Print object arguments and name/address of function pointer
73 os << "[ TFn={" << _func->GetName() << "=" << _func->GetTitle() << "} " ;
74 for (Int_t i=0 ; i<numProxies() ; i++) {
75 RooAbsProxy* p = getProxy(i) ;
76 if (!TString(p->name()).BeginsWith("!")) {
77 p->print(os) ;
78 os << " " ;
79 }
80 }
81 os << "]" ;
82}
83
84////////////////////////////////////////////////////////////////////////////////
85
86namespace RooFit {
87
89 return new RooTFnBinding(func->GetName(),func->GetTitle(),func,x) ;
90 }
91
93 return new RooTFnBinding(func->GetName(),func->GetTitle(),func,RooArgList(x,y)) ;
94 }
95
97 return new RooTFnBinding(func->GetName(),func->GetTitle(),func,RooArgList(x,y,z)) ;
98 }
99
101 return new RooTFnBinding(func->GetName(),func->GetTitle(),func,x,params) ;
102 }
103
105 return new RooTFnBinding(func->GetName(),func->GetTitle(),func,RooArgList(x,y),params) ;
106 }
107
109 return new RooTFnBinding(func->GetName(),func->GetTitle(),func,RooArgList(x,y,z),params) ;
110 }
111
112}
int Int_t
Definition: RtypesCore.h:43
double Double_t
Definition: RtypesCore.h:57
#define ClassImp(name)
Definition: Rtypes.h:361
char name[80]
Definition: TGX11.cxx:109
Int_t numProxies() const
Return the number of registered proxies.
Definition: RooAbsArg.cxx:1241
RooAbsProxy * getProxy(Int_t index) const
Return the nth proxy from the proxy list.
Definition: RooAbsArg.cxx:1228
RooAbsProxy is the abstact interface for proxy classes.
Definition: RooAbsProxy.h:31
virtual void print(std::ostream &os, Bool_t addContents=kFALSE) const
Print proxy name.
Definition: RooAbsProxy.cxx:74
virtual const char * name() const
Definition: RooAbsProxy.h:41
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:60
Double_t getVal(const RooArgSet *normalisationSet=nullptr) const
Evaluate object.
Definition: RooAbsReal.h:90
RooArgList is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgList.h:21
RooAbsArg * at(Int_t idx) const
Return object at given index, or nullptr if index is out of range.
Definition: RooArgList.h:74
virtual Bool_t add(const RooAbsArg &var, Bool_t silent=kFALSE)
Reimplementation of standard RooArgList::add()
Double_t evaluate() const
Evaluate this PDF / function / constant. Needs to be overridden by all derived classes.
RooListProxy _plist
Definition: RooTFnBinding.h:30
void printArgs(std::ostream &os) const
Print object arguments, ie its proxies.
RooListProxy _olist
Definition: RooTFnBinding.h:29
1-Dim function class
Definition: TF1.h:210
virtual Int_t GetNpar() const
Definition: TF1.h:475
virtual Double_t Eval(Double_t x, Double_t y=0, Double_t z=0, Double_t t=0) const
Evaluate this function.
Definition: TF1.cxx:1432
virtual void SetParameter(Int_t param, Double_t value)
Definition: TF1.h:628
A 2-Dim function with parameters.
Definition: TF2.h:29
A 3-Dim function with parameters.
Definition: TF3.h:28
virtual const char * GetTitle() const
Returns title of object.
Definition: TNamed.h:48
virtual const char * GetName() const
Returns name of object.
Definition: TNamed.h:47
Basic string class.
Definition: TString.h:131
Bool_t BeginsWith(const char *s, ECaseCompare cmp=kExact) const
Definition: TString.h:610
Double_t y[n]
Definition: legend1.C:17
Double_t x[n]
Definition: legend1.C:17
The namespace RooFit contains mostly switches that change the behaviour of functions of PDFs (or othe...
RooAbsReal * bindFunction(const char *name, CFUNCD1D func, RooAbsReal &x)