| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
7 // * conditions of the Geant4 Software License
8 // * LICENSE and available at http://cern.ch/
9 // * include a list of copyright holders.
10 // *
11 // * Neither the authors of this software syst
12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
14 // * regarding this software system or assum
15 // * use. Please see the license in the file
16 // * for the full disclaimer and the limitatio
17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
20 // * By using, copying, modifying or distri
21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26 // G4HelixImplicitEuler
27 //
28 // Class description:
29 //
30 // Helix Implicit Euler stepper for magnetic
31 // x_1 = x_0 + 1/2 * ( helix(h,t_0,x_0)
32 // + helix(h,t_0+h,x_
33 // Second order solver.
34 // Take the current derivative and add it to
35 // Take the output and its derivative. Add th
36 // to form the final output.
37
38 // Author: W.Wander <wwc@mit.edu>, 03/11/1998
39 // -------------------------------------------
40 #ifndef G4HELIXIMPLICITEULER_HH
41 #define G4HELIXIMPLICITEULER_HH
42
43 #include "G4MagHelicalStepper.hh"
44
45 class G4HelixImplicitEuler : public G4MagHelic
46 {
47 public:
48
49 G4HelixImplicitEuler(G4Mag_EqRhs *EqRhs);
50 ~G4HelixImplicitEuler() override;
51
52 void DumbStepper( const G4double y[],
53 G4ThreeVector Bfld
54 G4double h,
55 G4double yout
56
57 inline G4int IntegratorOrder() const overr
58 };
59
60 #endif
61