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>> 1 // This code implementation is the intellectual property of
>> 2 // the GEANT4 collaboration.
1 // 3 //
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3 // * License and Disclaimer << 5 // based on the Program) you indicate your acceptance of this statement,
4 // * << 6 // and all its terms.
5 // * The Geant4 software is copyright of th <<
6 // * the Geant4 Collaboration. It is provided <<
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8 // * LICENSE and available at http://cern.ch/ <<
9 // * include a list of copyright holders. <<
10 // * <<
11 // * Neither the authors of this software syst <<
12 // * institutes,nor the agencies providing fin <<
13 // * work make any representation or warran <<
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 <<
23 // * acceptance of all terms of the Geant4 Sof <<
24 // ******************************************* <<
25 // 7 //
26 // G4MagIntegratorStepper inline methods imple << 8 // $Id: G4MagIntegratorStepper.icc,v 1.4 2000/11/01 15:15:50 gcosmo Exp $
>> 9 // GEANT4 tag $Name: geant4-03-01 $
27 // 10 //
28 // Author: J.Apostolakis, CERN - 15.01.1997 <<
29 // ------------------------------------------- <<
30 11
31 inline 12 inline
32 G4int G4MagIntegratorStepper::IntegrationOrder <<
33 { <<
34 return fIntegrationOrder; <<
35 } <<
36 <<
37 inline <<
38 G4EquationOfMotion* G4MagIntegratorStepper::Ge 13 G4EquationOfMotion* G4MagIntegratorStepper::GetEquationOfMotion()
39 { 14 {
40 return fEquation_Rhs; << 15 return fEquation_Rhs;
41 } <<
42 <<
43 inline <<
44 const G4EquationOfMotion* G4MagIntegratorStepp <<
45 { <<
46 return fEquation_Rhs; <<
47 } <<
48 <<
49 inline <<
50 void G4MagIntegratorStepper::SetEquationOfMoti <<
51 { <<
52 if( newEq != nullptr ) <<
53 { <<
54 fEquation_Rhs = newEq; <<
55 } <<
56 } 16 }
57 17
58 inline 18 inline
59 unsigned long G4MagIntegratorStepper::GetfNoRH <<
60 { <<
61 return fNoRHSCalls; <<
62 } <<
63 <<
64 inline <<
65 void G4MagIntegratorStepper::ResetfNORHSCalls( <<
66 { <<
67 fNoRHSCalls = 0; <<
68 } <<
69 <<
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 19 G4int G4MagIntegratorStepper::GetNumberOfVariables() const
90 { 20 {
91 return fNoIntegrationVariables; << 21 return fNumberOfVariables;
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 } 22 }
108 23
109 inline 24 inline
110 void G4MagIntegratorStepper::RightHandSide(con << 25 void G4MagIntegratorStepper::SetNumberOfVariables(G4int newNo)
111 <<
112 <<
113 { 26 {
114 fEquation_Rhs->EvaluateRhsReturnB(y, dydx, f << 27 fNumberOfVariables = newNo;
115 ++fNoRHSCalls; <<
116 } 28 }
117 29
118 inline 30 inline
119 void G4MagIntegratorStepper::NormaliseTangentV 31 void G4MagIntegratorStepper::NormaliseTangentVector( G4double vec[6] )
120 { 32 {
121 G4double drds2 = vec[3]*vec[3]+vec[4]*vec[4] << 33 double drds2 = vec[3]*vec[3]+vec[4]*vec[4]+vec[5]*vec[5];
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 34
135 if( drds2 > 0. ) << 35 if( fabs(drds2 - 1.0) > 1.e-14 ){
136 { << 36 double normx = 1.0 / sqrt(drds2);
137 if( std::fabs(drds2 - 1.0) > 1.e-14 ) << 37 for(int i=0;i<3;i++)
138 { << 38 vec[i+3] *= normx;
139 G4double normx = 1.0 / std::sqrt(drds2); << 39 }
140 for(auto i=9; i<12; ++i) { vec[i] *= no <<
141 } <<
142 } <<
143 } 40 }
144 41