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1 // 1 //
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24 // ******************************************* 21 // ********************************************************************
25 // 22 //
26 // G4MagIntegratorStepper inline methods imple <<
27 // 23 //
28 // Author: J.Apostolakis, CERN - 15.01.1997 << 24 // $Id: G4MagIntegratorStepper.icc,v 1.7 2002/11/20 18:10:44 japost Exp $
29 // ------------------------------------------- << 25 // GEANT4 tag $Name: geant4-05-02-patch-01 $
>> 26 //
30 27
31 inline 28 inline
32 G4int G4MagIntegratorStepper::IntegrationOrder <<
33 { <<
34 return fIntegrationOrder; <<
35 } <<
36 <<
37 inline <<
38 G4EquationOfMotion* G4MagIntegratorStepper::Ge 29 G4EquationOfMotion* G4MagIntegratorStepper::GetEquationOfMotion()
39 { 30 {
40 return fEquation_Rhs; << 31 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 } 32 }
57 33
58 inline 34 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 35 G4int G4MagIntegratorStepper::GetNumberOfVariables() const
90 { 36 {
91 return fNoIntegrationVariables; 37 return fNoIntegrationVariables;
92 } 38 }
93 39
94 40
95 inline 41 inline
96 G4int G4MagIntegratorStepper::GetNumberOfState 42 G4int G4MagIntegratorStepper::GetNumberOfStateVariables() const
97 { 43 {
98 return fNoStateVariables; 44 return fNoStateVariables;
99 } 45 }
100 46
101 inline << 47 // inline
102 void G4MagIntegratorStepper::RightHandSide(con << 48 // void G4MagIntegratorStepper::SetNumberOfVariables(G4int newNo)
103 << 49 // {
104 { << 50 // fNumberOfVariables = newNo;
105 fEquation_Rhs->RightHandSide(y, dydx); << 51 // }
106 ++fNoRHSCalls; // IncrementRHSCalls(); <<
107 } <<
108 52
109 inline 53 inline
110 void G4MagIntegratorStepper::RightHandSide(con << 54 void G4MagIntegratorStepper::RightHandSide( const double y[], double dydx[] )
111 <<
112 <<
113 { 55 {
114 fEquation_Rhs->EvaluateRhsReturnB(y, dydx, f << 56 fEquation_Rhs-> RightHandSide(y, dydx);
115 ++fNoRHSCalls; <<
116 } 57 }
117 58
118 inline 59 inline
119 void G4MagIntegratorStepper::NormaliseTangentV 60 void G4MagIntegratorStepper::NormaliseTangentVector( G4double vec[6] )
120 { 61 {
121 G4double drds2 = vec[3]*vec[3]+vec[4]*vec[4] << 62 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 63
135 if( drds2 > 0. ) << 64 if( fabs(drds2 - 1.0) > 1.e-14 ){
136 { << 65 double normx = 1.0 / sqrt(drds2);
137 if( std::fabs(drds2 - 1.0) > 1.e-14 ) << 66 for(int i=0;i<3;i++)
138 { << 67 vec[i+3] *= normx;
139 G4double normx = 1.0 / std::sqrt(drds2); << 68 }
140 for(auto i=9; i<12; ++i) { vec[i] *= no <<
141 } <<
142 } <<
143 } 69 }
144 70