BDSIM
BDSIM is a Geant4 extension toolkit for simulation of particle transport in accelerator beamlines.
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BDSIntegratorSolenoid.hh
1/*
2Beam Delivery Simulation (BDSIM) Copyright (C) BDSIM Collaboration, 2001 - 2026.
3
4This file is part of BDSIM.
5
6BDSIM is free software: you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published
8by the Free Software Foundation version 3 of the License.
9
10BDSIM is distributed in the hope that it will be useful, but
11WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with BDSIM. If not, see <http://www.gnu.org/licenses/>.
17*/
18#ifndef BDSINTEGRATORSOLENOID_H
19#define BDSINTEGRATORSOLENOID_H
20
21#include "BDSIntegratorMag.hh"
22
23#include "globals.hh"
24
25class G4Mag_EqRhs;
27
39{
40public:
42 G4double brho,
43 G4Mag_EqRhs* eqOfMIn);
44
45 virtual ~BDSIntegratorSolenoid(){;}
46
48 virtual void Stepper(const G4double y[],
49 const G4double dydx[],
50 const G4double h,
51 G4double yOut[],
52 G4double yErr[]);
53
54
55private:
58
60 G4double bField;
61};
62
63#endif
Common functionality to BDSIM integrators.
Integrator that ignores the field and uses the analytical solution to a solenoid.
virtual void Stepper(const G4double y[], const G4double dydx[], const G4double h, G4double yOut[], G4double yErr[])
Calculate the particle motion along step length l in the paraxial approximation.
BDSIntegratorSolenoid()
Private default constructor to enforce use of supplied constructor.
G4double bField
The field strength.
Efficient storage of magnet strengths.