Logo ROOT  
Reference Guide
RooUniform.h
Go to the documentation of this file.
1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitModels *
4 * File: $Id$
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_UNIFORM
17#define ROO_UNIFORM
18
19#include "RooAbsPdf.h"
20#include "RooListProxy.h"
21
22class RooRealVar;
23
24class RooUniform : public RooAbsPdf {
25public:
27 RooUniform(const char *name, const char *title, const RooArgSet& _x);
28 RooUniform(const RooUniform& other, const char* name=0) ;
29 virtual TObject* clone(const char* newname) const { return new RooUniform(*this,newname); }
30 inline virtual ~RooUniform() { }
31
32 Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const ;
33 Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const ;
34
35 Int_t getGenerator(const RooArgSet& directVars, RooArgSet &generateVars, Bool_t staticInitOK=kTRUE) const;
36 void generateEvent(Int_t code);
37
38protected:
39
41
42 Double_t evaluate() const ;
43 RooSpan<double> evaluateSpan(RooBatchCompute::RunContext& evalData, const RooArgSet* /*normSet*/ = nullptr) const;
44
45
46private:
47
48 ClassDef(RooUniform,1) // Flat PDF in N dimensions
49};
50
51#endif
int Int_t
Definition: RtypesCore.h:45
bool Bool_t
Definition: RtypesCore.h:63
double Double_t
Definition: RtypesCore.h:59
const Bool_t kTRUE
Definition: RtypesCore.h:100
#define ClassDef(name, id)
Definition: Rtypes.h:325
char name[80]
Definition: TGX11.cxx:110
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:35
RooListProxy is the concrete proxy for RooArgList objects.
Definition: RooListProxy.h:24
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
Flat p.d.f.
Definition: RooUniform.h:24
RooSpan< double > evaluateSpan(RooBatchCompute::RunContext &evalData, const RooArgSet *=nullptr) const
Compute multiple values of the uniform distribution (effectively return a span with ones)
Definition: RooUniform.cxx:56
Int_t getAnalyticalIntegral(RooArgSet &allVars, RooArgSet &analVars, const char *rangeName=0) const
Advertise analytical integral.
Definition: RooUniform.cxx:79
Double_t analyticalIntegral(Int_t code, const char *rangeName=0) const
Implement analytical integral.
Definition: RooUniform.cxx:102
void generateEvent(Int_t code)
Implement internal generator.
Definition: RooUniform.cxx:141
virtual ~RooUniform()
Definition: RooUniform.h:30
virtual TObject * clone(const char *newname) const
Definition: RooUniform.h:29
Double_t evaluate() const
Evaluate this PDF / function / constant. Needs to be overridden by all derived classes.
Definition: RooUniform.cxx:49
Int_t getGenerator(const RooArgSet &directVars, RooArgSet &generateVars, Bool_t staticInitOK=kTRUE) const
Advertise internal generator.
Definition: RooUniform.cxx:117
RooListProxy x
Definition: RooUniform.h:40
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