Geant4  10.03.p02
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G4BlineEquation.cc
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30 // $Id: G4BlineEquation.cc 68021 2013-03-13 13:36:07Z gcosmo $
31 //
32 //
33 // --------------------------------------------------------------------
34 //
35 // G4BlineEquation implementation
36 //
37 // --------------------------------------------------------------------
38 // Author: Laurent Desorgher (desorgher@phim.unibe.ch)
39 // Created - 2003-10-06
40 // --------------------------------------------------------------------
41 
42 #include "G4BlineEquation.hh"
43 
45 
47  : G4Mag_EqRhs( MagField )
48 {
49  fBackward_direction=false;
50  fDirection=1.;
51 }
52 
54 
56 {
57 }
58 
60 
62  const G4double B[3],
63  G4double dydx[] ) const
64 {
65  G4double Bmag = fDirection*std::sqrt(B[0]*B[0] + B[1]*B[1] + B[2]*B[2]);
66  dydx[0] = B[0]/Bmag;
67  dydx[1] = B[1]/Bmag;
68  dydx[2] = B[2]/Bmag;
69 
70  dydx[3]=0. * y[0]; //y[0] is used to remove warning
71  dydx[4]=0.;
72  dydx[5]=0.;
73 }
74 
76 
78 {
79  fBackward_direction=abool;
80  fDirection=1.;
81  if (fBackward_direction) fDirection= -1.;
82 }
void SetBackwardDirectionOfIntegration(G4bool abool)
double B(double temperature)
Definition of the G4BlineEquation class.
bool G4bool
Definition: G4Types.hh:79
virtual ~G4BlineEquation()
double G4double
Definition: G4Types.hh:76
G4BlineEquation(G4MagneticField *MagField)
virtual void EvaluateRhsGivenB(const G4double y[], const G4double B[3], G4double dydx[]) const