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26// G4MagIntegratorStepper inline methods implementation
28// Author: J.Apostolakis, CERN - 15.01.1997
29// --------------------------------------------------------------------
32G4int G4MagIntegratorStepper::IntegrationOrder()
34 return fIntegrationOrder;
38G4EquationOfMotion* G4MagIntegratorStepper::GetEquationOfMotion()
44const G4EquationOfMotion* G4MagIntegratorStepper::GetEquationOfMotion() const
50void G4MagIntegratorStepper::SetEquationOfMotion(G4EquationOfMotion* newEq)
52 if( newEq != nullptr )
54 fEquation_Rhs = newEq;
59unsigned long G4MagIntegratorStepper::GetfNoRHSCalls()
65void G4MagIntegratorStepper::ResetfNORHSCalls()
71G4bool G4MagIntegratorStepper::IsFSAL() const
77void G4MagIntegratorStepper::SetIntegrationOrder(G4int order)
79 fIntegrationOrder = order;
83void G4MagIntegratorStepper::SetFSAL(G4bool flag)
89G4int G4MagIntegratorStepper::GetNumberOfVariables() const
91 return fNoIntegrationVariables;
96G4int G4MagIntegratorStepper::GetNumberOfStateVariables() const
98 return fNoStateVariables;
102void G4MagIntegratorStepper::RightHandSide(const G4double y[],
103 G4double dydx[]) const
105 fEquation_Rhs->RightHandSide(y, dydx);
106 ++fNoRHSCalls; // IncrementRHSCalls();
110void G4MagIntegratorStepper::RightHandSide(const G4double y[],
112 G4double field[]) const
114 fEquation_Rhs->EvaluateRhsReturnB(y, dydx, field);
119void G4MagIntegratorStepper::NormaliseTangentVector( G4double vec[6] )
121 G4double drds2 = vec[3]*vec[3]+vec[4]*vec[4]+vec[5]*vec[5];
123 if( std::fabs(drds2 - 1.0) > 1.e-14 )
125 G4double normx = 1.0 / std::sqrt(drds2);
126 for(auto i=3; i<6; ++i) { vec[i] *= normx; }
131void G4MagIntegratorStepper::NormalisePolarizationVector( G4double vec[12] )
133 G4double drds2 = vec[9]*vec[9]+vec[10]*vec[10]+vec[11]*vec[11];
137 if( std::fabs(drds2 - 1.0) > 1.e-14 )
139 G4double normx = 1.0 / std::sqrt(drds2);
140 for(auto i=9; i<12; ++i) { vec[i] *= normx; }