TargetAtom.hh

//
// This file is part of MARLEY (Model of Argon Reaction Low Energy Yields)
//
// MARLEY is free software: you can redistribute it and/or modify it under the
// terms of version 3 of the GNU General Public License as published by the
// Free Software Foundation.
//
// For the full text of the license please see COPYING or
// visit http://opensource.org/licenses/GPL-3.0
//
// Please respect the MCnet academic usage guidelines. See GUIDELINES
// or visit https://www.montecarlonet.org/GUIDELINES for details.
 
#pragma once
 
// Standard library includes
#include <ostream>
#include <string>
 
namespace marley {

  class TargetAtom {
 
    public:

      explicit TargetAtom( int pdg );

      explicit TargetAtom( int Z, int A );

      inline explicit constexpr operator int() const { return pdg_; }

      inline bool operator==(const marley::TargetAtom& ta) const
      {
        return pdg_ == ta.pdg_;
      }
 
      inline bool operator!=(const marley::TargetAtom& ta) const
      {
        return pdg_ != ta.pdg_;
      }

      inline bool operator<(const marley::TargetAtom& ta) const
      {
        return pdg_ < ta.pdg_;
      }

      std::string to_string() const;

      int Z() const;

      int A() const;

      inline int pdg() const { return pdg_; }
 
    protected:

      void check_pdg_validity() const;

      int pdg_;
  };
 
}
 
inline std::ostream& operator<<(std::ostream& out, const marley::TargetAtom& ta)
{
  out << ta.to_string();
  return out;
}