BDSIntegratorOctupole.hh

/* 
Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway, 
University of London 2001 - 2023.
 
This file is part of BDSIM.
 
BDSIM is free software: you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published 
by the Free Software Foundation version 3 of the License.
 
BDSIM is distributed in the hope that it will be useful, but 
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with BDSIM.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef BDSINTEGRATOROCTUPOLE_H
#define BDSINTEGRATOROCTUPOLE_H
 
#include "BDSIntegratorEulerOld.hh"
 
#include "globals.hh"
 
class G4Mag_EqRhs;
class BDSMagnetStrength;
 
class BDSIntegratorOctupole: public BDSIntegratorEulerOld
{
public:
  BDSIntegratorOctupole(BDSMagnetStrength const* strength,
                        G4double                 brho,
                        G4Mag_EqRhs*             eqOfMIn);
  
  virtual ~BDSIntegratorOctupole(){;}
 
protected:
  virtual void AdvanceHelix(const G4double yIn[],
                            G4double       h,
                            G4double       yOut[],
                G4double       yErr[]);
 
private:
  BDSIntegratorOctupole() = delete;
 
  G4double bTriplePrime;
};
 
#endif