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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 2002-2021.
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// $Maintainer: Timo Sachsenberg $
// $Authors: $
// --------------------------------------------------------------------------

#pragma once

#include <OpenMS/TRANSFORMATIONS/FEATUREFINDER/MaxLikeliFitter1D.h>

namespace OpenMS
{
  /**
  @brief Extended isotope distribution fitter (1-dim.) approximated using linear interpolation.

  @htmlinclude OpenMS_ExtendedIsotopeFitter1D.parameters
  */
  class OPENMS_DLLAPI ExtendedIsotopeFitter1D :
    public MaxLikeliFitter1D
  {
public:

    /// Default constructor
    ExtendedIsotopeFitter1D();

    /// copy constructor
    ExtendedIsotopeFitter1D(const ExtendedIsotopeFitter1D & source);

    /// destructor
    ~ExtendedIsotopeFitter1D() override;

    /// assignment operator
    virtual ExtendedIsotopeFitter1D & operator=(const ExtendedIsotopeFitter1D & source);

    /// create new ExtendedIsotopeFitter1D object (function needed by Factory)
    static Fitter1D * create()
    {
      return new ExtendedIsotopeFitter1D();
    }

    /// name of the model (needed by Factory)
    static const String getProductName()
    {
      return "ExtendedIsotopeFitter1D";
    }

    /// return interpolation model
    QualityType fit1d(const RawDataArrayType & range, std::unique_ptr<InterpolationModel>& model) override;

protected:

    /// isotope charge
    CoordinateType charge_;
    /// standard derivation in isotope
    CoordinateType isotope_stdev_;
    /// monoisotopic mass
    CoordinateType monoisotopic_mz_;
    /// maximum isotopic rank to be considered
    Int max_isotope_;

    void updateMembers_() override;
  };
}

