| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // G4MagIntegratorStepper inline methods imple << 26 // $Id: G4MagIntegratorStepper.icc,v 1.10 2006/09/20 09:31:46 japost Exp $
>> 27 // GEANT4 tag $Name: geant4-08-03-patch-01 $
27 // 28 //
28 // Author: J.Apostolakis, CERN - 15.01.1997 <<
29 // ------------------------------------------- <<
30 29
31 inline 30 inline
32 G4int G4MagIntegratorStepper::IntegrationOrder <<
33 { <<
34 return fIntegrationOrder; <<
35 } <<
36 <<
37 inline <<
38 G4EquationOfMotion* G4MagIntegratorStepper::Ge 31 G4EquationOfMotion* G4MagIntegratorStepper::GetEquationOfMotion()
39 { 32 {
40 return fEquation_Rhs; << 33 return fEquation_Rhs;
41 } 34 }
42 35
43 inline << 36 inline void
44 const G4EquationOfMotion* G4MagIntegratorStepp << 37 G4MagIntegratorStepper::SetEquationOfMotion(G4EquationOfMotion* newEquation)
45 { <<
46 return fEquation_Rhs; <<
47 } <<
48 <<
49 inline <<
50 void G4MagIntegratorStepper::SetEquationOfMoti <<
51 { 38 {
52 if( newEq != nullptr ) << 39 if( newEquation != 0 ) {
53 { << 40 fEquation_Rhs= newEquation;
54 fEquation_Rhs = newEq; <<
55 } 41 }
56 } 42 }
57 43
58 inline 44 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 45 G4int G4MagIntegratorStepper::GetNumberOfVariables() const
90 { 46 {
91 return fNoIntegrationVariables; 47 return fNoIntegrationVariables;
92 } 48 }
93 49
94 50
95 inline 51 inline
96 G4int G4MagIntegratorStepper::GetNumberOfState 52 G4int G4MagIntegratorStepper::GetNumberOfStateVariables() const
97 { 53 {
98 return fNoStateVariables; 54 return fNoStateVariables;
99 } 55 }
100 56
101 inline << 57 // inline
102 void G4MagIntegratorStepper::RightHandSide(con << 58 // void G4MagIntegratorStepper::SetNumberOfVariables(G4int newNo)
103 << 59 // {
104 { << 60 // fNumberOfVariables = newNo;
105 fEquation_Rhs->RightHandSide(y, dydx); << 61 // }
106 ++fNoRHSCalls; // IncrementRHSCalls(); <<
107 } <<
108 62
109 inline 63 inline
110 void G4MagIntegratorStepper::RightHandSide(con << 64 void G4MagIntegratorStepper::RightHandSide( const double y[], double dydx[] )
111 <<
112 <<
113 { 65 {
114 fEquation_Rhs->EvaluateRhsReturnB(y, dydx, f << 66 fEquation_Rhs-> RightHandSide(y, dydx);
115 ++fNoRHSCalls; <<
116 } 67 }
117 68
118 inline 69 inline
119 void G4MagIntegratorStepper::NormaliseTangentV 70 void G4MagIntegratorStepper::NormaliseTangentVector( G4double vec[6] )
120 { 71 {
121 G4double drds2 = vec[3]*vec[3]+vec[4]*vec[4] << 72 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 73
130 inline << 74 if( std::fabs(drds2 - 1.0) > 1.e-14 ){
131 void G4MagIntegratorStepper::NormalisePolariza << 75 double normx = 1.0 / std::sqrt(drds2);
132 { << 76 for(int i=0;i<3;i++)
133 G4double drds2 = vec[9]*vec[9]+vec[10]*vec[1 << 77 vec[i+3] *= normx;
134 << 78 }
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 } 79 }
144 80