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Laura++  v3r5
A maximum likelihood fitting package for performing Dalitz-plot analysis.
LauDPDepBifurGaussPdf.hh
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1 
2 /*
3 Copyright 2007 University of Warwick
4 
5 Licensed under the Apache License, Version 2.0 (the "License");
6 you may not use this file except in compliance with the License.
7 You may obtain a copy of the License at
8 
9  http://www.apache.org/licenses/LICENSE-2.0
10 
11 Unless required by applicable law or agreed to in writing, software
12 distributed under the License is distributed on an "AS IS" BASIS,
13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 See the License for the specific language governing permissions and
15 limitations under the License.
16 */
17 
18 /*
19 Laura++ package authors:
20 John Back
21 Paul Harrison
22 Thomas Latham
23 */
24 
35 #ifndef LAU_DPDEP_BIFURGAUSS_PDF
36 #define LAU_DPDEP_BIFURGAUSS_PDF
37 
38 #include <vector>
39 
40 #include "TString.h"
41 
42 #include "LauAbsPdf.hh"
43 
44 
46 
47  public:
49  enum DPAxis {
50  M12,
51  M13,
52  M23,
54  MMIN,
56  };
57 
59  enum ScaleMethod {
60  poly,
62  };
63 
65 
76  LauDPDepBifurGaussPdf(const TString& theVarName, const std::vector<LauAbsRValue*>& params,
77  Double_t minAbscissa, Double_t maxAbscissa,
78  const LauDaughters* daughters,
79  const std::vector<Double_t>& meanCoeffs,
80  const std::vector<Double_t>& sigmaLCoeffs,
81  const std::vector<Double_t>& sigmaRCoeffs,
82  DPAxis dpAxis);
83 
85  virtual ~LauDPDepBifurGaussPdf();
86 
88 
91  virtual Bool_t isDPDependent() const {return kTRUE;}
92 
94 
97  virtual void calcLikelihoodInfo(const LauAbscissas& abscissas);
98 
100 
102  virtual void calcNorm();
103 
105 
108  virtual void calcPDFHeight( const LauKinematics* kinematics );
109 
111 
115 
117 
120  void scaleMethod(ScaleMethod method) {scaleMethod_ = method;}
121 
122  protected:
124 
127  void scalePars_poly(Double_t perEventDist);
128 
130 
133  void scalePars_polyNegPower(Double_t perEventDist);
134 
135  private:
138 
141 
144 
151 
153  Double_t meanVal_;
155  Double_t sigmaLVal_;
157  Double_t sigmaRVal_;
158 
160  const std::vector<Double_t> meanCoeffs_;
162  const std::vector<Double_t> sigmaLCoeffs_;
164  const std::vector<Double_t> sigmaRCoeffs_;
165 
168 
171 
172  ClassDef(LauDPDepBifurGaussPdf,0) // Define the MVA PDF
173 };
174 
175 #endif
Double_t sigmaLVal_
Left Gaussian sigma.
virtual ~LauDPDepBifurGaussPdf()
Destructor.
Class that defines the particular 3-body decay under study.
Definition: LauDaughters.hh:47
LauAbsRValue * mean_
Gaussian mean.
const std::vector< Double_t > meanCoeffs_
Coefficients of Gaussian mean.
LauDPDepBifurGaussPdf & operator=(const LauDPDepBifurGaussPdf &other)
Copy assignment operator (not implemented)
virtual void calcPDFHeight(const LauKinematics *kinematics)
Calculate the PDF height.
virtual void calcLikelihoodInfo(const LauAbscissas &abscissas)
Calculate the likelihood (and intermediate info) for a given abscissa.
void scalePars_poly(Double_t perEventDist)
Scale the Gaussian parameters with polynomial method.
DPAxis
Define possibilties for the DP axes.
const LauKinematics * kinematics_
The current DP kinematics.
void scalePars_polyNegPower(Double_t perEventDist)
Scale the Gaussian parameters with negative power polynomial method.
DPAxis dpAxis_
The DP axis we depend on.
virtual Bool_t isDPDependent() const
Specifies whether or not the PDF is DP dependent.
LauAbsRValue * sigmaL_
Left Gaussian sigma.
LauDPDepBifurGaussPdf(const TString &theVarName, const std::vector< LauAbsRValue * > &params, Double_t minAbscissa, Double_t maxAbscissa, const LauDaughters *daughters, const std::vector< Double_t > &meanCoeffs, const std::vector< Double_t > &sigmaLCoeffs, const std::vector< Double_t > &sigmaRCoeffs, DPAxis dpAxis)
Constructor.
LauAbsRValue * sigmaR_
Right Gaussian sigma.
void scaleMethod(ScaleMethod method)
Set the scaling method.
File containing declaration of LauAbsPdf class.
ScaleMethod scaleMethod() const
Retrieve scaling method information.
ScaleMethod
Define possibilties for the scaling method.
const std::vector< Double_t > sigmaLCoeffs_
Coefficients of left Gaussian sigma.
Double_t sigmaRVal_
Right Gaussian sigma.
virtual void calcLikelihoodInfo(const LauAbscissas &abscissas)=0
Calculate the likelihood (and all associated information) given value(s) of the abscissa(s) ...
ScaleMethod scaleMethod_
Scaling method information.
Class for defining the abstract interface for PDF classes.
Definition: LauAbsPdf.hh:55
const std::vector< Double_t > sigmaRCoeffs_
Coefficients of right Gaussian sigma.
Class for calculating 3-body kinematic quantities.
virtual void calcNorm()
Calculate the normalisation.
Pure abstract base class for defining a parameter containing an R value.
Definition: LauAbsRValue.hh:43
std::vector< Double_t > LauAbscissas
The type used for containing multiple abscissa values.
Definition: LauAbsPdf.hh:59
Double_t meanVal_
Gaussian mean.
Class for defining a Bifurcated Gaussian PDF (DP dependent).