IsotopeDistribution.h

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//                   OpenMS -- Open-Source Mass Spectrometry
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// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
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// $Maintainer: Clemens Groepl, Andreas Bertsch $
// $Authors: Clemens Groepl, Andreas Bertsch $
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#ifndef OPENMS_CHEMISTRY_ISOTOPEDISTRIBUTION_H
#define OPENMS_CHEMISTRY_ISOTOPEDISTRIBUTION_H

#include <OpenMS/CONCEPT/Types.h>

#include <utility>
#include <vector>

namespace OpenMS
{
  class OPENMS_DLLAPI IsotopeDistribution
  {
public:



    typedef std::vector<std::pair<Size, double> > ContainerType;
    typedef ContainerType::iterator iterator;
    typedef ContainerType::iterator Iterator;
    typedef ContainerType::const_iterator const_iterator;
    typedef ContainerType::const_iterator ConstIterator;



    IsotopeDistribution();

    IsotopeDistribution(Size max_isotope);

    IsotopeDistribution(const IsotopeDistribution & isotope_distribution);

    virtual ~IsotopeDistribution();



    void setMaxIsotope(Size max_isotope);

    Size getMaxIsotope() const;

    void set(const ContainerType & distribution);

    const ContainerType & getContainer() const;

    Size getMax() const;

    Size getMin() const;

    Size size() const;

    void clear();

    void estimateFromPeptideWeight(double average_weight);

    void renormalize();

    void trimRight(DoubleReal cutoff);

    void trimLeft(DoubleReal cutoff);



    IsotopeDistribution & operator=(const IsotopeDistribution & isotope_distribution);

    IsotopeDistribution operator+(const IsotopeDistribution & isotope_distribution) const;

    IsotopeDistribution & operator+=(const IsotopeDistribution & isotope_distribution);

    IsotopeDistribution operator*(Size factor) const;

    IsotopeDistribution & operator*=(Size factor);

    bool operator==(const IsotopeDistribution & isotope_distribution) const;

    bool operator!=(const IsotopeDistribution & isotope_distribution) const;


    inline Iterator begin() { return distribution_.begin(); }

    inline Iterator end()   { return distribution_.end(); }

    inline ConstIterator begin() const { return distribution_.begin(); }

    inline ConstIterator end() const { return distribution_.end(); }

protected:

    void convolve_(ContainerType & result, const ContainerType & left, const ContainerType & right) const;

    void convolvePow_(ContainerType & result, const ContainerType & input, Size factor) const;

    void convolveSquare_(ContainerType & result, const ContainerType & input) const;

    Size max_isotope_;

    ContainerType distribution_;
  };

} // namespace OpenMS

#endif // OPENMS_CHEMISTRY_ISOTOPEDISTRIBUTION_H