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