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25 // 25 //
26 // G4MagInt_Driver inline methods implementati <<
27 // 26 //
28 // V.Grichine, 07.10.1996 - Created << 27 // $Id$
>> 28 //
29 // ------------------------------------------- 29 // --------------------------------------------------------------------
30 30
31 inline 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 <<
46 inline <<
47 G4double G4MagInt_Driver::GetHmin() const 32 G4double G4MagInt_Driver::GetHmin() const
48 { 33 {
49 return fMinimumStep; << 34 return fMinimumStep;
50 } 35 }
51 36
52 inline 37 inline
53 G4double G4MagInt_Driver::Hmin() const 38 G4double G4MagInt_Driver::Hmin() const
54 { 39 {
55 return fMinimumStep; << 40 return fMinimumStep;
56 } 41 }
57 42
58 inline 43 inline
59 G4double G4MagInt_Driver::GetSafety() const 44 G4double G4MagInt_Driver::GetSafety() const
60 { 45 {
61 return safety; << 46 return safety;
62 } 47 }
63 48
64 inline 49 inline
65 G4double G4MagInt_Driver::GetPshrnk() const 50 G4double G4MagInt_Driver::GetPshrnk() const
66 { 51 {
67 return pshrnk; << 52 return pshrnk;
68 } 53 }
69 54
70 inline 55 inline
71 G4double G4MagInt_Driver::GetPgrow() const 56 G4double G4MagInt_Driver::GetPgrow() const
72 { 57 {
73 return pgrow; << 58 return pgrow;
74 } 59 }
75 60
76 inline 61 inline
77 G4double G4MagInt_Driver::GetErrcon() const 62 G4double G4MagInt_Driver::GetErrcon() const
78 { 63 {
79 return errcon; << 64 return errcon;
80 } 65 }
81 66
82 inline 67 inline
83 void G4MagInt_Driver::SetHmin(G4double newval) 68 void G4MagInt_Driver::SetHmin(G4double newval)
84 { 69 {
85 fMinimumStep = newval; << 70 fMinimumStep = newval;
86 } 71 }
87 72
88 inline 73 inline
89 G4double G4MagInt_Driver::ComputeAndSetErrcon( 74 G4double G4MagInt_Driver::ComputeAndSetErrcon()
90 { 75 {
91 errcon = std::pow(max_stepping_increase/GetS << 76 errcon = std::pow(max_stepping_increase/GetSafety(),1.0/GetPgrow());
92 return errcon; << 77 return errcon;
93 } 78 }
94 79
95 inline 80 inline
96 void G4MagInt_Driver::ReSetParameters(G4double 81 void G4MagInt_Driver::ReSetParameters(G4double new_safety)
97 { 82 {
98 safety = new_safety; << 83 safety = new_safety;
99 pshrnk = -1.0 / pIntStepper->IntegratorOrder << 84 pshrnk = -1.0 / pIntStepper->IntegratorOrder();
100 pgrow = -1.0 / (1.0 + pIntStepper->Integrat << 85 pgrow = -1.0 / (1.0 + pIntStepper->IntegratorOrder());
101 ComputeAndSetErrcon(); << 86 ComputeAndSetErrcon();
102 } 87 }
103 88
104 inline 89 inline
105 void G4MagInt_Driver::SetSafety(G4double val) 90 void G4MagInt_Driver::SetSafety(G4double val)
106 { 91 {
107 safety = val; << 92 safety=val;
108 ComputeAndSetErrcon(); << 93 ComputeAndSetErrcon();
109 } 94 }
110 95
111 inline 96 inline
112 void G4MagInt_Driver::SetPgrow(G4double val) 97 void G4MagInt_Driver::SetPgrow(G4double val)
113 { 98 {
114 pgrow = val; << 99 pgrow=val;
115 ComputeAndSetErrcon(); << 100 ComputeAndSetErrcon();
116 } 101 }
117 102
118 inline 103 inline
119 void G4MagInt_Driver::SetErrcon(G4double val) 104 void G4MagInt_Driver::SetErrcon(G4double val)
120 { 105 {
121 errcon = val; << 106 errcon=val;
>> 107 }
>> 108
>> 109 inline
>> 110 void G4MagInt_Driver::RenewStepperAndAdjust(G4MagIntegratorStepper *pItsStepper)
>> 111 {
>> 112 pIntStepper = pItsStepper;
>> 113 ReSetParameters();
>> 114 }
>> 115
>> 116 inline
>> 117 void G4MagInt_Driver::SetChargeMomentumMass(G4double particleCharge, // e+
>> 118 G4double MomentumXc,
>> 119 G4double Mass )
>> 120 {
>> 121 pIntStepper->GetEquationOfMotion()
>> 122 ->SetChargeMomentumMass(particleCharge, MomentumXc, Mass);
>> 123 }
>> 124
>> 125 inline
>> 126 const G4MagIntegratorStepper* G4MagInt_Driver::GetStepper() const
>> 127 {
>> 128 return pIntStepper;
122 } 129 }
123 130
124 inline 131 inline
125 G4int G4MagInt_Driver::GetMaxNoSteps() const 132 G4int G4MagInt_Driver::GetMaxNoSteps() const
126 { 133 {
127 return fMaxNoSteps; 134 return fMaxNoSteps;
128 } 135 }
129 136
130 inline 137 inline
131 void G4MagInt_Driver::SetMaxNoSteps(G4int val) 138 void G4MagInt_Driver::SetMaxNoSteps(G4int val)
132 { 139 {
133 fMaxNoSteps = val; << 140 fMaxNoSteps= val;
134 } 141 }
135 142
136 inline 143 inline
137 G4int G4MagInt_Driver::GetVerboseLevel() const << 144 void G4MagInt_Driver::GetDerivatives(const G4FieldTrack &y_curr, // const, INput
>> 145 G4double dydx[]) // OUTput
>> 146 {
>> 147 G4double tmpValArr[G4FieldTrack::ncompSVEC];
>> 148 y_curr.DumpToArray( tmpValArr );
>> 149 pIntStepper -> RightHandSide( tmpValArr , dydx );
>> 150 }
>> 151
>> 152 inline
>> 153 G4double G4MagInt_Driver::GetVerboseLevel() const
138 { 154 {
139 return fVerboseLevel; << 155 return fVerboseLevel;
140 } 156 }
141 157
142 inline 158 inline
143 void G4MagInt_Driver::SetVerboseLevel(G4int ne 159 void G4MagInt_Driver::SetVerboseLevel(G4int newLevel)
144 { 160 {
145 fVerboseLevel = newLevel; << 161 fVerboseLevel= newLevel;
146 } 162 }
147 163
148 inline 164 inline
149 G4double G4MagInt_Driver::GetSmallestFraction( 165 G4double G4MagInt_Driver::GetSmallestFraction() const
150 { 166 {
151 return fSmallestFraction; << 167 return fSmallestFraction;
152 } << 168 }
153 169