G4CookShellCorrections.hh

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


#ifndef G4CookShellCorrections_h
#define G4CookShellCorrections_h 1

#include <CLHEP/Units/SystemOfUnits.h>

#include "globals.hh" 

//#define verbose 1

class G4CookShellCorrections
{
private:

  G4CookShellCorrections();
    
  static G4CookShellCorrections* theInstance;


public:
    
  static G4CookShellCorrections* GetInstance();

  ~G4CookShellCorrections();

  G4double GetShellCorrection(G4int A, G4int Z) const 
  {
    return GetShellZ(Z) + GetShellN(A-Z); 
  }

  G4double GetShellZ(const G4int Z) const 
  {
    if ( this->IsInTableThisZ(Z) ) return ShellZTable[Z-ZTableMin]*CLHEP::MeV;
    else {
#ifdef verbose
      G4cerr << "G4CookShellCorrections: out of table for Z = " << Z << G4endl;
#endif
      return 0.0;
    }
  }

  G4bool IsInTableThisZ(const G4int Z) const 
  {
    if ( Z >= ZTableMin && Z <= ZTableMax ) return true;
    else return false;
  }
  
  G4double GetShellN(const G4int N) const 
  {
    if ( this->IsInTableThisN(N) ) return ShellNTable[N-NTableMin]*CLHEP::MeV;
    else {
#ifdef verbose
      G4cerr << "G4CookShellCorrections: out of table for N = " << N << G4endl;
#endif
      return 0.0;
    }
  }
    
  G4bool IsInTableThisN(const G4int N) const 
  {
    if ( N >= NTableMin && N <= NTableMax ) return true;
    else return false;
  }
  
  enum  { ZTableSize = 68, NTableSize = 118, ZTableMin = 28, ZTableMax = 95,
      NTableMin = 33, NTableMax = 150 };
private:
  
  
  
  static const G4double ShellZTable[ZTableSize];
  
  static const G4double ShellNTable[NTableSize];
  
};
#endif