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26 /// \file field/BlineTracer/src/G4BlineEquatio 26 /// \file field/BlineTracer/src/G4BlineEquation.cc
27 /// \brief Implementation of the G4BlineEquati 27 /// \brief Implementation of the G4BlineEquation class
28 // 28 //
29 // 29 //
30 // 30 //
31 // << 31 //
32 // ------------------------------------------- 32 // --------------------------------------------------------------------
33 // 33 //
34 // G4BlineEquation implementation 34 // G4BlineEquation implementation
35 // 35 //
36 // ------------------------------------------- 36 // --------------------------------------------------------------------
37 // Author: Laurent Desorgher (desorgher@phim.u 37 // Author: Laurent Desorgher (desorgher@phim.unibe.ch)
38 // Created - 2003-10-06 38 // Created - 2003-10-06
39 // ------------------------------------------- 39 // --------------------------------------------------------------------
40 40
41 #include "G4BlineEquation.hh" 41 #include "G4BlineEquation.hh"
42 42
43 //....oooOO0OOooo........oooOO0OOooo........oo << 43 ///////////////////////////////////////////////////////////////////////////
>> 44
>> 45 G4BlineEquation::G4BlineEquation( G4MagneticField* MagField )
>> 46 : G4Mag_EqRhs( MagField )
>> 47 {
>> 48 fBackward_direction=false;
>> 49 fDirection=1.;
>> 50 }
44 51
45 G4BlineEquation::G4BlineEquation(G4MagneticFie << 52 ///////////////////////////////////////////////////////////////////////////
>> 53
>> 54 G4BlineEquation::~G4BlineEquation()
>> 55 {
>> 56 }
46 57
47 //....oooOO0OOooo........oooOO0OOooo........oo << 58 /////////////////////////////////////////////////////////////////////////////
48 59
49 void G4BlineEquation::EvaluateRhsGivenB(const << 60 void G4BlineEquation::EvaluateRhsGivenB( const G4double y[],
50 G4doub << 61 const G4double B[3],
>> 62 G4double dydx[] ) const
51 { 63 {
52 G4double Bmag = fDirection * std::sqrt(B[0] << 64 G4double Bmag = fDirection*std::sqrt(B[0]*B[0] + B[1]*B[1] + B[2]*B[2]);
53 dydx[0] = B[0] / Bmag; << 65 dydx[0] = B[0]/Bmag;
54 dydx[1] = B[1] / Bmag; << 66 dydx[1] = B[1]/Bmag;
55 dydx[2] = B[2] / Bmag; << 67 dydx[2] = B[2]/Bmag;
56 << 68
57 dydx[3] = 0. * y[0]; // y[0] is used to rem << 69 dydx[3]=0. * y[0]; //y[0] is used to remove warning
58 dydx[4] = 0.; << 70 dydx[4]=0.;
59 dydx[5] = 0.; << 71 dydx[5]=0.;
60 } 72 }
61 73
62 //....oooOO0OOooo........oooOO0OOooo........oo << 74 //////////////////////////////////////////////////////////////////////
63 75
64 void G4BlineEquation::SetBackwardDirectionOfIn 76 void G4BlineEquation::SetBackwardDirectionOfIntegration(G4bool abool)
65 { 77 {
66 fBackward_direction = abool; << 78 fBackward_direction=abool;
67 fDirection = 1.; << 79 fDirection=1.;
68 if (fBackward_direction) fDirection = -1.; << 80 if (fBackward_direction) fDirection= -1.;
69 } 81 }
70 82