NaturalIsotopes.h

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//____________________________________________________________________________
/*!
 
\class    genie::NaturalIsotopes
 
\brief    Singleton class to load & serve tables of natural occurring isotopes
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
                Jim Dobson <j.dobson07@imperial.ac.uk>
          Imperial College London
 
\created  May 30, 2008
 
\cpright   Copyright (c) 2003-2025, The GENIE Collaboration
           For the full text of the license visit http://copyright.genie-mc.org
*/
//____________________________________________________________________________
 
#ifndef _NATURAL_ISOTOPES_H_
#define _NATURAL_ISOTOPES_H_
 
#include <map>
#include <vector>
 
using std::map;
using std::vector;
 
namespace genie {
 
class NaturalIsotopeElementData;
class NaturalIsotopes
{
public:
  static NaturalIsotopes * Instance (void);
 
  int NElements(int Z) const;
  const NaturalIsotopeElementData * ElementData (int Z, int ielement) const;
  const NaturalIsotopeElementData * ElementDataPdg (int Z, int pdgcode) const;
 
private:
  NaturalIsotopes();
  NaturalIsotopes(const NaturalIsotopes &);
  virtual ~NaturalIsotopes();
 
  bool LoadTable(void);
 
  static NaturalIsotopes * fInstance;
 
  map<int, vector<NaturalIsotopeElementData*> > fNaturalIsotopesTable;
 
  struct Cleaner {
      void DummyMethodAndSilentCompiler() { }
      ~Cleaner() {
         if (NaturalIsotopes::fInstance !=0) {
            delete NaturalIsotopes::fInstance;
            NaturalIsotopes::fInstance = 0;
         }
      }
  };
  friend struct Cleaner;
};
 
class NaturalIsotopeElementData {
public:
  NaturalIsotopeElementData()                                              : fPdgCode(0),    fAbundance(0),         fAtomicMass(0)          { }
  NaturalIsotopeElementData(int code, double abundance, double atomicmass) : fPdgCode(code), fAbundance(abundance), fAtomicMass(atomicmass) { }
 ~NaturalIsotopeElementData() { }
 
  int    PdgCode   (void) const  { return fPdgCode;    }
  double Abundance (void) const  { return fAbundance;  }
  double AtomicMass (void) const { return fAtomicMass; }
 
private:
  int    fPdgCode;
  double fAbundance;
  double fAtomicMass;
};
 
}      // genie namespace
#endif // _NATURAL_ISOTOPES_H_