| 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
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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 // G4Mag_UsualEqRhs implementation
27 //
28 // Created: J.Apostolakis, CERN - 13.01.1997
29 // -------------------------------------------
30
31 #include "G4Mag_UsualEqRhs.hh"
32 #include "G4MagneticField.hh"
33
34 #include "globals.hh"
35
36 G4Mag_UsualEqRhs::G4Mag_UsualEqRhs( G4Magnetic
37 : G4Mag_EqRhs( MagField )
38 {
39 }
40
41 G4Mag_UsualEqRhs::~G4Mag_UsualEqRhs() = defaul
42
43 void
44 G4Mag_UsualEqRhs::EvaluateRhsGivenB( const G4d
45 const G4d
46 G4d
47 {
48 G4double momentum_mag_square = y[3]*y[3] +
49 G4double inv_momentum_magnitude = 1.0 / std
50
51 G4double cof = FCof()*inv_momentum_magnitud
52
53 dydx[0] = y[3]*inv_momentum_magnitude;
54 dydx[1] = y[4]*inv_momentum_magnitude;
55 dydx[2] = y[5]*inv_momentum_magnitude;
56
57 dydx[3] = cof*(y[4]*B[2] - y[5]*B[1]) ; /
58 dydx[4] = cof*(y[5]*B[0] - y[3]*B[2]) ; /
59 dydx[5] = cof*(y[3]*B[1] - y[4]*B[0]) ; /
60
61 return;
62 }
63
64 void
65 G4Mag_UsualEqRhs::SetChargeMomentumMass( G4Cha
66 G4dou
67 G4dou
68
69 {
70 G4Mag_EqRhs::SetChargeMomentumMass( particl
71 }
72