Peak1D.h

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// Copyright (c) 2002-present, OpenMS Inc. -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg$
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/CONCEPT/Types.h>
#include <OpenMS/CONCEPT/HashUtils.h>
#include <OpenMS/DATASTRUCTURES/DPosition.h>
 
#include <iosfwd>
#include <functional>
 
namespace OpenMS
{
 
  class OPENMS_DLLAPI Peak1D
  {
public:
 
    enum {DIMENSION = 1};
    using IntensityType = float;
    using PositionType = DPosition<1>;
    using CoordinateType = double;
 
    inline Peak1D() = default;
 
    inline Peak1D(PositionType a, IntensityType b) :
      position_(a),
      intensity_(b)
    {}
 
    Peak1D(const Peak1D & p) = default;
 
    Peak1D(Peak1D&&) noexcept = default;
 
    Peak1D& operator=(const Peak1D& rhs) = default;
 
    Peak1D& operator=(Peak1D&&) noexcept = default;
 
    ~Peak1D() = default;
 
 
    inline IntensityType getIntensity() const { return intensity_; }
    inline void setIntensity(IntensityType intensity) { intensity_ = intensity; }
 
    inline CoordinateType getMZ() const
    {
      return position_[0];
    }
 
    inline void setMZ(CoordinateType mz)
    {
      position_[0] = mz;
    }
 
    inline CoordinateType getPos() const
    {
      return position_[0];
    }
 
    inline void setPos(CoordinateType pos)
    {
      position_[0] = pos;
    }
 
    inline PositionType const & getPosition() const
    {
      return position_;
    }
 
    inline PositionType & getPosition()
    {
      return position_;
    }
 
    inline void setPosition(PositionType const & position)
    {
      position_ = position;
    }
 
 
    bool operator==(const Peak1D& rhs) const = default;
 
    bool operator!=(const Peak1D & rhs) const
    {
      return !(operator==(rhs));
    }
 
    struct IntensityLess
    {
      inline bool operator()(Peak1D const & left, Peak1D const & right) const
      {
        return left.getIntensity() < right.getIntensity();
      }
 
      inline bool operator()(Peak1D const & left, IntensityType right) const
      {
        return left.getIntensity() < right;
      }
 
      inline bool operator()(IntensityType left, Peak1D const & right) const
      {
        return left < right.getIntensity();
      }
 
      inline bool operator()(IntensityType left, IntensityType right) const
      {
        return left < right;
      }
 
    };
 
    struct MZLess
    {
      inline bool operator()(const Peak1D & left, const Peak1D & right) const
      {
        return left.getMZ() < right.getMZ();
      }
 
      inline bool operator()(Peak1D const & left, CoordinateType right) const
      {
        return left.getMZ() < right;
      }
 
      inline bool operator()(CoordinateType left, Peak1D const & right) const
      {
        return left < right.getMZ();
      }
 
      inline bool operator()(CoordinateType left, CoordinateType right) const
      {
        return left < right;
      }
 
    };
 
    struct PositionLess
    {
      inline bool operator()(const Peak1D & left, const Peak1D & right) const
      {
        return left.getPosition() < right.getPosition();
      }
 
      inline bool operator()(const Peak1D & left, const PositionType & right) const
      {
        return left.getPosition() < right;
      }
 
      inline bool operator()(const PositionType & left, const Peak1D & right) const
      {
        return left < right.getPosition();
      }
 
      inline bool operator()(const PositionType & left, const PositionType & right) const
      {
        return left < right;
      }
 
    };
 
protected:
    PositionType  position_;
    IntensityType intensity_ = 0.0;
  };
 
  OPENMS_DLLAPI std::ostream & operator<<(std::ostream & os, const Peak1D & point);
 
} // namespace OpenMS
 
// Hash function specialization for Peak1D
namespace std
{
  template<>
  struct hash<OpenMS::Peak1D>
  {
    std::size_t operator()(const OpenMS::Peak1D& p) const noexcept
    {
      std::size_t seed = OpenMS::hash_float(p.getMZ());
      OpenMS::hash_combine(seed, OpenMS::hash_float(p.getIntensity()));
      return seed;
    }
  };
} // namespace std