Logo ROOT  
Reference Guide
RooTFoamBinding.cxx
Go to the documentation of this file.
1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitCore *
4  * @(#)root/roofitcore:$Id$
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 
17 /**
18 \file RooTFoamBinding.cxx
19 \class RooTFoamBinding
20 \ingroup Roofitcore
21 
22 Lightweight interface adaptor that binds a RooAbsPdf to TFOAM
23 **/
24 
25 
26 #include "RooFit.h"
27 #include "Riostream.h"
28 
29 #include "RooTFoamBinding.h"
30 #include "RooRealBinding.h"
31 #include "RooAbsReal.h"
32 #include "RooAbsPdf.h"
33 #include "RooArgSet.h"
34 
35 #include <assert.h>
36 
37 
38 
39 using namespace std;
40 
42 ;
43 
44 
45 ////////////////////////////////////////////////////////////////////////////////
46 
47 RooTFoamBinding::RooTFoamBinding(const RooAbsReal& pdf, const RooArgSet& observables)
48 {
49  _nset.add(observables) ;
50  _binding = new RooRealBinding(pdf,observables,&_nset,kFALSE,0) ;
51 }
52 
53 
54 ////////////////////////////////////////////////////////////////////////////////
55 /// Destructor
56 
58 {
59  delete _binding ;
60 }
61 
62 
63 
64 ////////////////////////////////////////////////////////////////////////////////
65 
67 {
68  Double_t x[10] ;
69  for (int i=0 ; i<ndim ; i++) {
70  x[i] = xvec[i]*(_binding->getMaxLimit(i)-_binding->getMinLimit(i)) + _binding->getMinLimit(i) ;
71  //cout << "RTFB::Density xvec[" << i << "] = " << xvec[i] << " x[i] = " << x[i] << endl ;
72  }
73  Double_t ret = (*_binding)(x) ;
74  return ret<0?0:ret ;
75 }
RooAbsReal.h
RooFit.h
RooArgSet.h
ClassImp
#define ClassImp(name)
Definition: Rtypes.h:364
x
Double_t x[n]
Definition: legend1.C:17
RooAbsReal
Definition: RooAbsReal.h:61
RooTFoamBinding::RooTFoamBinding
RooTFoamBinding(const RooAbsReal &pdf, const RooArgSet &observables)
Definition: RooTFoamBinding.cxx:47
RooRealBinding
Definition: RooRealBinding.h:26
RooAbsPdf.h
kFALSE
const Bool_t kFALSE
Definition: RtypesCore.h:92
RooTFoamBinding::~RooTFoamBinding
virtual ~RooTFoamBinding()
Destructor.
Definition: RooTFoamBinding.cxx:57
RooTFoamBinding::Density
virtual Double_t Density(Int_t ndim, Double_t *)
Definition: RooTFoamBinding.cxx:66
Double_t
double Double_t
Definition: RtypesCore.h:59
RooTFoamBinding
Definition: RooTFoamBinding.h:24
RooRealBinding.h
RooTFoamBinding.h
Riostream.h
RooArgSet
Definition: RooArgSet.h:28
int