CbmCut.h

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/* Copyright (C) 2023 GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Dario Ramirez [committer] */
 
#ifndef CBMCUT_H
#define CBMCUT_H
 
#include "CbmCutId.h"
 
#include <type_traits>
 
template<typename T>
class CbmCut {
 public:
  CbmCut() = default;

  CbmCut(T min, T max)
  {
    SetMin(min);
    SetMax(max);
  }

  bool Check(T a) const
  {
    bool check_min_status = fMinState ? a >= min_ : true;
    bool check_max_status = fMaxState ? a <= max_ : true;
    if (fMinState && fMaxState && (max_ < min_)) return check_min_status || check_max_status;
    return check_min_status && check_max_status;
  }
 
  void SetMin(T val)
  {
    min_      = val;
    fMinState = true;
  }
  void SetMax(T val)
  {
    max_      = val;
    fMaxState = true;
  }
  void SetRange(T min_val, T max_val)
  {
    SetMin(min_val);
    SetMax(max_val);
  }
 
  friend std::ostream& operator<<(std::ostream& out, const CbmCut<T>& obj)
  {
    std::string min_msg = obj.fMinState ? std::to_string(obj.min_) : "none";
    std::string max_msg = obj.fMaxState ? std::to_string(obj.max_) : "none";
    out << "[Min: " << min_msg << " , Max: " << max_msg << "]";
    return out;
  }
 
  T GetMin() const { return min_; }
  T GetMax() const { return max_; }
  bool GetMinState() const { return fMinState; }
  bool GetMaxState() const { return fMaxState; }
 
 
 private:
  bool fMinState{false};
  bool fMaxState{false};
  T min_;
  T max_;
};
 
#endif