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>> 1 // This code implementation is the intellectual property of
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1 // 3 //
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17 // * <<
18 // * This code implementation is the result <<
19 // * technical work of the GEANT4 collaboratio <<
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21 // * any work based on the software) you ag <<
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24 // ******************************************* <<
25 // 7 //
26 // G4MagInt_Driver inline methods implementati << 8 // $Id: G4MagIntegratorDriver.icc,v 1.5 2000/11/01 15:15:50 gcosmo Exp $
>> 9 // GEANT4 tag $Name: geant4-03-01 $
27 // 10 //
28 // V.Grichine, 07.10.1996 - Created <<
29 // ------------------------------------------- <<
30 <<
31 inline <<
32 G4double G4MagInt_Driver:: <<
33 AdvanceChordLimited(G4FieldTrack& track, G4dou <<
34 G4double epsStep, G4double <<
35 { <<
36 return ChordFinderDelegate::AdvanceChordLimi <<
37 <<
38 } <<
39 <<
40 inline <<
41 void G4MagInt_Driver::OnStartTracking() <<
42 { <<
43 ChordFinderDelegate::ResetStepEstimate(); <<
44 } <<
45 11
46 inline 12 inline
47 G4double G4MagInt_Driver::GetHmin() const 13 G4double G4MagInt_Driver::GetHmin() const
48 { 14 {
49 return fMinimumStep; << 15 return hminimum_val;
50 } 16 }
51 17
52 inline 18 inline
53 G4double G4MagInt_Driver::Hmin() const 19 G4double G4MagInt_Driver::Hmin() const
54 { 20 {
55 return fMinimumStep; << 21 return hminimum_val;
56 } 22 }
57 23
58 inline 24 inline
59 G4double G4MagInt_Driver::GetSafety() const 25 G4double G4MagInt_Driver::GetSafety() const
60 { 26 {
61 return safety; << 27 return safety;
62 } 28 }
63 29
64 inline 30 inline
65 G4double G4MagInt_Driver::GetPshrnk() const 31 G4double G4MagInt_Driver::GetPshrnk() const
66 { 32 {
67 return pshrnk; << 33 return pshrnk;
68 } 34 }
69 35
70 inline 36 inline
71 G4double G4MagInt_Driver::GetPgrow() const 37 G4double G4MagInt_Driver::GetPgrow() const
72 { 38 {
73 return pgrow; << 39 return pgrow;
74 } 40 }
75 41
76 inline 42 inline
77 G4double G4MagInt_Driver::GetErrcon() const 43 G4double G4MagInt_Driver::GetErrcon() const
78 { 44 {
79 return errcon; << 45 return errcon;
80 } 46 }
81 47
82 inline 48 inline
83 void G4MagInt_Driver::SetHmin(G4double newval) 49 void G4MagInt_Driver::SetHmin(G4double newval)
84 { 50 {
85 fMinimumStep = newval; << 51 hminimum_val = newval;
86 } 52 }
87 53
88 inline 54 inline
89 G4double G4MagInt_Driver::ComputeAndSetErrcon( 55 G4double G4MagInt_Driver::ComputeAndSetErrcon()
90 { 56 {
91 errcon = std::pow(max_stepping_increase/GetS << 57 errcon = pow(max_stepping_increase/GetSafety(),1.0/GetPgrow());
92 return errcon; << 58 return errcon;
93 } 59 }
94 60
95 inline 61 inline
96 void G4MagInt_Driver::ReSetParameters(G4double 62 void G4MagInt_Driver::ReSetParameters(G4double new_safety)
97 { 63 {
98 safety = new_safety; << 64 safety = new_safety;
99 pshrnk = -1.0 / pIntStepper->IntegratorOrder << 65 pshrnk = -1.0 / pIntStepper->IntegratorOrder();
100 pgrow = -1.0 / (1.0 + pIntStepper->Integrat << 66 pgrow = -1.0 / (1.0 + pIntStepper->IntegratorOrder());
101 ComputeAndSetErrcon(); << 67 ComputeAndSetErrcon();
102 } 68 }
103 69
104 inline 70 inline
105 void G4MagInt_Driver::SetSafety(G4double val) 71 void G4MagInt_Driver::SetSafety(G4double val)
106 { 72 {
107 safety = val; << 73 safety=val;
108 ComputeAndSetErrcon(); << 74 ComputeAndSetErrcon();
109 } 75 }
110 76
111 inline 77 inline
112 void G4MagInt_Driver::SetPgrow(G4double val) 78 void G4MagInt_Driver::SetPgrow(G4double val)
113 { 79 {
114 pgrow = val; << 80 pgrow=val;
115 ComputeAndSetErrcon(); << 81 ComputeAndSetErrcon();
116 } 82 }
117 83
118 inline 84 inline
119 void G4MagInt_Driver::SetErrcon(G4double val) 85 void G4MagInt_Driver::SetErrcon(G4double val)
120 { 86 {
121 errcon = val; << 87 errcon=val;
122 } 88 }
123 89
124 inline 90 inline
125 G4int G4MagInt_Driver::GetMaxNoSteps() const << 91 void G4MagInt_Driver::RenewStepperAndAdjust(G4MagIntegratorStepper *pItsStepper)
126 { << 92 {
127 return fMaxNoSteps; << 93 pIntStepper = pItsStepper;
>> 94 ReSetParameters();
128 } 95 }
129 96
130 inline 97 inline
131 void G4MagInt_Driver::SetMaxNoSteps(G4int val) << 98 void G4MagInt_Driver::SetChargeMomentumMass(G4double particleCharge, // e+
132 { << 99 G4double MomentumXc,
133 fMaxNoSteps = val; << 100 G4double Mass )
>> 101 {
>> 102 pIntStepper->GetEquationOfMotion()
>> 103 ->SetChargeMomentumMass(particleCharge, MomentumXc, Mass);
134 } 104 }
135 105
136 inline 106 inline
137 G4int G4MagInt_Driver::GetVerboseLevel() const << 107 const G4MagIntegratorStepper* G4MagInt_Driver::GetStepper() const
138 { 108 {
139 return fVerboseLevel; << 109 return pIntStepper;
140 } << 110 }
141 111
142 inline << 112 inline
143 void G4MagInt_Driver::SetVerboseLevel(G4int ne << 113 G4int G4MagInt_Driver::GetMaxNoSteps() const
144 { 114 {
145 fVerboseLevel = newLevel; << 115 return fMaxNoSteps;
146 } 116 }
147 117
148 inline 118 inline
149 G4double G4MagInt_Driver::GetSmallestFraction( << 119 void G4MagInt_Driver::SetMaxNoSteps(G4int val)
150 { 120 {
151 return fSmallestFraction; << 121 fMaxNoSteps= val;
>> 122 }
>> 123
>> 124 inline
>> 125 void G4MagInt_Driver::GetDerivatives(const G4FieldTrack y_curr, // const, INput
>> 126 G4double dydx[]) // OUTput
>> 127 {
>> 128 G4double tmpValArr[G4FieldTrack::ncompSVEC];
>> 129 y_curr.DumpToArray( tmpValArr );
>> 130 pIntStepper -> RightHandSide( tmpValArr , dydx );
152 } 131 }
153 132