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// $Id: G4QBesIKJY.hh,v 1.3 2009-02-23 09:49:24 mkossov Exp $
// GEANT4 tag $Name: not supported by cvs2svn $
//
//      ---------------- G4QBesIKJY ----------------
//             by Mikhail Kossov, Sept 2000.
//  class header for Bessel I0/I1 and K0/K1 functions in CHIPS Model
// --------------------------------------------------------------------
// Short description: CHIPS bessel functions for mass and scattering
// integrals.
// --------------------------------------------------------------------
#ifndef G4QBesIKJY_h
#define G4QBesIKJY_h 1

#include <iostream>
#include "globals.hh"

// Ennumerated type
enum G4QBIType {BessI0, BessI1, EBessI0, EBessI1, BessJ0, BessJ1,
                BessK0, BessK1, EBessK0, EBessK1, BessY0, BessY1};
class G4QBesIKJY
{
public:
  // Constructor/Destructor
  G4QBesIKJY(G4QBIType type = BessI0); // the Default Construction is for BesselI0
  ~G4QBesIKJY();

public:
  // Member Functions
  G4double operator ()(G4double x) const;

private:
  // Body
  G4bool ex;
  G4bool ij;
  G4bool ik;
  G4int  nu;
};

#endif