EGHFitter1D.h

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//                   OpenMS -- Open-Source Mass Spectrometry
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// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2020.
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// $Maintainer: Timo Sachsenberg $
// $Authors: Stephan Aiche $
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#pragma once
 
#define DEBUG_FEATUREFINDER
 
#include <OpenMS/TRANSFORMATIONS/FEATUREFINDER/LevMarqFitter1D.h>
 
namespace OpenMS
{
  class OPENMS_DLLAPI EGHFitter1D :
    public LevMarqFitter1D
  {
public:
    EGHFitter1D();
 
    EGHFitter1D(const EGHFitter1D & source);
 
    ~EGHFitter1D() override;
 
    virtual EGHFitter1D & operator=(const EGHFitter1D & source);
 
    static Fitter1D * create()
    {
      return new EGHFitter1D();
    }
 
    static const String getProductName()
    {
      return "EGHFitter1D";
    }
 
    QualityType fit1d(const RawDataArrayType & range, InterpolationModel * & model) override;
 
protected:
 
    struct Data
    {
      typedef Peak1D PeakType;
      typedef std::vector<PeakType> RawDataArrayType;
 
      Size n;
      RawDataArrayType set;
    };
 
    class EGHFitterFunctor : public LevMarqFitter1D::GenericFunctor
    {
      public:
      EGHFitterFunctor(int dimensions, const EGHFitter1D::Data * data)
      : LevMarqFitter1D::GenericFunctor(dimensions, data->n), m_data(data) {}
 
      int operator()(const Eigen::VectorXd &x, Eigen::VectorXd &fvec) override;
      // compute Jacobian matrix for the different parameters
      int df(const Eigen::VectorXd &x, Eigen::MatrixXd &J) override;
 
      protected:
        const EGHFitter1D::Data * m_data;
    };
 
    virtual void setInitialParameters_(const RawDataArrayType & set);
 
    CoordinateType height_;
    CoordinateType tau_;
    CoordinateType sigma_square_;
    CoordinateType retention_;
 
    void updateMembers_() override;
  };
 
}