Efficiencies.h

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/*
  Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
*/
 
// contact: jmaurer@cern.ch
 
#ifndef TRIGGLOBALEFFICIENCYCORRECTION_EFFICIENCIES_H
#define TRIGGLOBALEFFICIENCYCORRECTION_EFFICIENCIES_H 1
 
#include <utility>
 
namespace TrigGlobEffCorr {
 
class Efficiencies {
 public:
  Efficiencies() = default;
  Efficiencies(double e) : m_effs(e, e) {}
  Efficiencies(const Efficiencies&) = default;
  Efficiencies(Efficiencies&&) = default;
  Efficiencies& operator=(const Efficiencies&) = default;
  Efficiencies& operator=(Efficiencies&&) = default;
  ~Efficiencies() = default;
  double& data() { return m_effs.first; }
  double& mc() { return m_effs.second; }
  double data() const { return m_effs.first; }
  double mc() const { return m_effs.second; }
  Efficiencies operator~() const {
    return Efficiencies(1. - m_effs.first, 1. - m_effs.second);
  }
  Efficiencies operator+(const Efficiencies& rhs) const {
    return Efficiencies(m_effs.first + rhs.m_effs.first,
                        m_effs.second + rhs.m_effs.second);
  }
  Efficiencies operator-(const Efficiencies& rhs) const {
    return Efficiencies(m_effs.first - rhs.m_effs.first,
                        m_effs.second - rhs.m_effs.second);
  }
  Efficiencies operator*(const Efficiencies& rhs) const {
    return Efficiencies(m_effs.first * rhs.m_effs.first,
                        m_effs.second * rhs.m_effs.second);
  }
  Efficiencies& operator+=(const Efficiencies& rhs) {
    m_effs.first += rhs.m_effs.first;
    m_effs.second += rhs.m_effs.second;
    return *this;
  }
  Efficiencies& operator*=(const Efficiencies& rhs) {
    m_effs.first *= rhs.m_effs.first;
    m_effs.second *= rhs.m_effs.second;
    return *this;
  }
 
 protected:
  Efficiencies(double vd, double vm) : m_effs(vd, vm) {}
  std::pair<double, double> m_effs;
};
 
}  // namespace TrigGlobEffCorr
 
#endif