FsmwMode1dFinder.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRKVERTEXSEEDFINDERUTILS_FSMWMODE1DFINDERALGO_H
#define TRKVERTEXSEEDFINDERUTILS_FSMWMODE1DFINDERALGO_H
 
#include "TrkVertexSeedFinderUtils/IMode1dFinder.h"
#include "AthenaBaseComps/AthAlgTool.h"
#include <vector>
 
namespace Trk
{
 
  class FsmwMode1dFinder final : public AthAlgTool, virtual public IMode1dFinder
  {
  public:
    //default constructor due to Athena interface
    FsmwMode1dFinder(const std::string& t, const std::string& n, const IInterface*  p);
    
    //destructor
    virtual ~FsmwMode1dFinder();
 
    //obtain the 1d-mode (double) from a list of doubles (unidimensional distribution)
    virtual double getMode(std::vector<DoubleAndWeight>) const override final;
 
    virtual double getMode(std::vector<double>) const override final;
 
 
        
  private:
    struct CompareTheTwoDoubleAndWeights
    {
      int operator()(const DoubleAndWeight& first,
                     const DoubleAndWeight& second) const
      {
        return first.first < second.first;
      }
    };
    struct CompareTheTwoDoubles
    {
      int operator()(const double& first, const double& second) const
      {
        return first < second;
      }
    };
 
    double m_fraction;
    double m_firstfraction;
  };
}
#endif