RFCharge.hh

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//   RestFrames: particle physics event analysis library
//   --------------------------------------------------------------------
//   Copyright (c) 2014-2016, Christopher Rogan
//   This file is part of RestFrames.
//
//   RestFrames is free software; you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation; either version 2 of the License, or
//   (at your option) any later version.
// 
//   RestFrames is distributed in the hope that it will be useful,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//   GNU General Public License for more details.
// 
//   You should have received a copy of the GNU General Public License
//   along with RestFrames. If not, see <http://www.gnu.org/licenses/>.
 
#ifndef RFCharge_HH
#define RFCharge_HH
 
#include <cstdlib>
 
namespace RestFrames {
 
  // RFCharge class
  class RFCharge {
 
  public:
 
    RFCharge(const RFCharge& charge);
 
    RFCharge(int charge = 0);
 
    RFCharge(int charge_num, int charge_den);
    ~RFCharge();
 
    int GetNumerator() const;
 
    int GetDenominator() const;
 
    bool operator == (const RFCharge& val) const;
 
    bool operator == (int val) const;
 
    bool operator != (const RFCharge& val) const;
 
    bool operator != (int val) const;
 
    void operator = (const RFCharge& val);
 
    void operator = (int val);
 
 
    RFCharge operator + (const RFCharge& val) const;
    RFCharge operator + (int val) const;
 
    RFCharge operator - (const RFCharge& val) const;
    RFCharge operator - (int val) const;
 
    RFCharge operator * (const RFCharge& val) const;
    RFCharge operator * (int val) const;
 
    RFCharge operator / (const RFCharge& val) const;
    RFCharge operator / (int val) const;
 
    RFCharge& operator += (const RFCharge& val);
    RFCharge& operator += (int val);
 
    RFCharge& operator -= (const RFCharge& val);
    RFCharge& operator -= (int val);
 
    RFCharge& operator *= (const RFCharge& val);
    RFCharge& operator *= (int val);
 
    RFCharge& operator /= (const RFCharge& val);
    RFCharge& operator /= (int val);
 
    RFCharge operator-();
 
    operator double() const;
 
  private:
    bool m_Sign;
    int m_ChargeNum;
    int m_ChargeDen;
 
    void Simplify();
 
  };
 
  RFCharge operator * (int val1, const RFCharge& val2);
  RFCharge operator / (int val1, const RFCharge& val2);
 
  int gcd(int x, int y);
}
 
#endif