G4CameronShellPlusPairingCorrections.hh

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// $Id$
//
// Hadronic Process: Nuclear De-excitations
// by V. Lara

#ifndef G4CameronShellPlusPairingCorrections_h
#define G4CameronShellPlusPairingCorrections_h 1

#include <CLHEP/Units/SystemOfUnits.h>

#include "globals.hh"

//#define verbose 1

class G4CameronShellPlusPairingCorrections
{
private:

  // Dummy constructor
  G4CameronShellPlusPairingCorrections();

  static G4CameronShellPlusPairingCorrections* theInstance;
    
public:
    
  static G4CameronShellPlusPairingCorrections* GetInstance();

  ~G4CameronShellPlusPairingCorrections();
  
  G4double GetShellPlusPairingZ(const G4int Z) const 
  {
    if (Z <= TableSize && Z > 1) return SPZTable[Z-1]*CLHEP::MeV;
    else {
#ifdef verbose
      G4cerr << "G4CameronShellPlusPairingCorrections: out of table for Z = " << Z << G4endl;
#endif
      return 0.0;
    }
  }
  
  G4double GetShellPlusPairingN(const G4int N) const 
  {
    if (N <= TableSize && N > 0) return SPNTable[N-1]*CLHEP::MeV;
    else {
#ifdef verbose
      G4cerr << "G4CameronShellPlusPairingCorrections: out of table for N = " << N << G4endl;
#endif
      return 0.0;
    }
  }
  
  
  enum  { TableSize = 200 };
  
private:
  
  static const G4double SPZTable[TableSize];
  
  static const G4double SPNTable[TableSize];
  
};
#endif