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//
//
// $Id$
//
// 
// ------------------------------------------------------------
//      GEANT 4 class header file
//
// ----------------------------------------------------------------
// Class Description
//   Encapsulates Data from W.D. Myers, W.J. Swiatecki, P. Moller
//   and J.R. Nix, 1. Jan. 1995.
//   Atomic Mass Excess.
// ----------------------------------------------------------------
// Remove "theInstance"  by H.Kurashige (12 Dec. 03)
//

#ifndef G4NucleiPropertiesTheoreticalTable_h
#define G4NucleiPropertiesTheoreticalTable_h 1

#include "globals.hh"

class G4NucleiProperties;

class G4NucleiPropertiesTheoreticalTable 
{
private:
  
  // Default constructor 
  G4NucleiPropertiesTheoreticalTable(){};

public:

  // Destructor
  ~G4NucleiPropertiesTheoreticalTable() { };

  enum  {nEntries = 8979, shortTableSize = 137}; 

  // Other Operations 
  // all methods are private and can be used only by G4NucleiProperties
  friend class G4NucleiProperties;  

  
 private: // With Description
  // Operation: GetMassExcess
  static G4double GetMassExcess(G4int Z, G4int A); 

  // Operation: GetNuclearMass
  static G4double GetNuclearMass(G4int Z, G4int A);

  // Operation: GetAtomicMass 
  static G4double GetAtomicMass(G4int Z, G4int A);

  // Operation: GetBindingEnergy
  static G4double GetBindingEnergy(G4int Z, G4int A);

  // Is the nucleus (Z,A) in table?
  static G4bool IsInTable(G4int Z, G4int A);


private:

  // Operation: GetIndex
  static G4int GetIndex(G4int Z, G4int A);
  
  static G4double ElectronicBindingEnergy(G4int Z);
 

  // Mass Excess
  static G4double AtomicMassExcess[nEntries];
  
  // Table of Z (number of protons) and A (number of nucleons)
  //        indexArray[0][ ] --> Z
  //        indexArray[1][ ] --> A
  static G4int indexArray[2][nEntries];
  
  // Reduced Table of Z for shorter index search.
  //         The index in this table coincide with Z-1
  //         For each Z value shortTable[Z-1] has the index of
  // the 1st occurrence in the indexArray[][]
  static G4int shortTable[shortTableSize];

};
  

#endif