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>> 1 // This code implementation is the intellectual property of
>> 2 // the GEANT4 collaboration.
1 // 3 //
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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 <<
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24 // ******************************************* <<
25 // 7 //
26 // G4MagIntegratorStepper inline methods imple << 8 // $Id: G4MagIntegratorStepper.icc,v 1.3 1999/12/15 14:49:47 gunter Exp $
>> 9 // GEANT4 tag $Name: geant4-02-00 $
27 // 10 //
28 // Author: J.Apostolakis, CERN - 15.01.1997 << 11 inline G4EquationOfMotion* G4MagIntegratorStepper::GetEquationOfMotion() const
29 // ------------------------------------------- << 12 { return fEquation_Rhs; }
30 13
31 inline << 14 inline void G4MagIntegratorStepper::RightHandSide( const double y[], double dydx[] )
32 G4int G4MagIntegratorStepper::IntegrationOrder << 15 { fEquation_Rhs-> RightHandSide(y, dydx); }
33 { <<
34 return fIntegrationOrder; <<
35 } <<
36 <<
37 inline <<
38 G4EquationOfMotion* G4MagIntegratorStepper::Ge <<
39 { <<
40 return fEquation_Rhs; <<
41 } <<
42 16
43 inline << 17 inline G4int G4MagIntegratorStepper::GetNumberOfVariables()
44 const G4EquationOfMotion* G4MagIntegratorStepp << 18 { return fNumberOfVariables; }
45 { << 19 inline void G4MagIntegratorStepper::SetNumberOfVariables(G4int newNo)
46 return fEquation_Rhs; << 20 { fNumberOfVariables = newNo; }
47 } <<
48 21
49 inline <<
50 void G4MagIntegratorStepper::SetEquationOfMoti <<
51 { <<
52 if( newEq != nullptr ) <<
53 { <<
54 fEquation_Rhs = newEq; <<
55 } <<
56 } <<
57 22
58 inline << 23 inline void G4MagIntegratorStepper::
59 unsigned long G4MagIntegratorStepper::GetfNoRH << 24 NormaliseTangentVector( G4double vec[6] )
60 { 25 {
61 return fNoRHSCalls; << 26 double drds2 = vec[3]*vec[3]+vec[4]*vec[4]+vec[5]*vec[5];
62 } <<
63 27
64 inline << 28 if( fabs(drds2 - 1.0) > 1.e-14 ){
65 void G4MagIntegratorStepper::ResetfNORHSCalls( << 29 double normx = 1.0 / sqrt(drds2);
66 { << 30 for(int i=0;i<3;i++)
67 fNoRHSCalls = 0; << 31 vec[i+3] *= normx;
>> 32 }
68 } 33 }
69 34
70 inline <<
71 G4bool G4MagIntegratorStepper::IsFSAL() const <<
72 { <<
73 return fIsFSAL; <<
74 } <<
75 <<
76 inline <<
77 void G4MagIntegratorStepper::SetIntegrationOrd <<
78 { <<
79 fIntegrationOrder = order; <<
80 } <<
81 <<
82 inline <<
83 void G4MagIntegratorStepper::SetFSAL(G4bool fl <<
84 { <<
85 fIsFSAL = flag; <<
86 } <<
87 <<
88 inline <<
89 G4int G4MagIntegratorStepper::GetNumberOfVaria <<
90 { <<
91 return fNoIntegrationVariables; <<
92 } <<
93 <<
94 <<
95 inline <<
96 G4int G4MagIntegratorStepper::GetNumberOfState <<
97 { <<
98 return fNoStateVariables; <<
99 } <<
100 <<
101 inline <<
102 void G4MagIntegratorStepper::RightHandSide(con <<
103 <<
104 { <<
105 fEquation_Rhs->RightHandSide(y, dydx); <<
106 ++fNoRHSCalls; // IncrementRHSCalls(); <<
107 } <<
108 <<
109 inline <<
110 void G4MagIntegratorStepper::RightHandSide(con <<
111 <<
112 <<
113 { <<
114 fEquation_Rhs->EvaluateRhsReturnB(y, dydx, f <<
115 ++fNoRHSCalls; <<
116 } <<
117 <<
118 inline <<
119 void G4MagIntegratorStepper::NormaliseTangentV <<
120 { <<
121 G4double drds2 = vec[3]*vec[3]+vec[4]*vec[4] <<
122 <<
123 if( std::fabs(drds2 - 1.0) > 1.e-14 ) <<
124 { <<
125 G4double normx = 1.0 / std::sqrt(drds2); <<
126 for(auto i=3; i<6; ++i) { vec[i] *= normx; <<
127 } <<
128 } <<
129 <<
130 inline <<
131 void G4MagIntegratorStepper::NormalisePolariza <<
132 { <<
133 G4double drds2 = vec[9]*vec[9]+vec[10]*vec[1 <<
134 <<
135 if( drds2 > 0. ) <<
136 { <<
137 if( std::fabs(drds2 - 1.0) > 1.e-14 ) <<
138 { <<
139 G4double normx = 1.0 / std::sqrt(drds2); <<
140 for(auto i=9; i<12; ++i) { vec[i] *= no <<
141 } <<
142 } <<
143 } <<
144 35