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 << 27 // 26 // 28 // Author: J.Apostolakis, CERN - 15.01.1997 << 29 // ------------------------------------------- << 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 } 32 } 42 33 43 inline 34 inline 44 const G4EquationOfMotion* G4MagIntegratorStepp 35 const G4EquationOfMotion* G4MagIntegratorStepper::GetEquationOfMotion() const 45 { 36 { 46 return fEquation_Rhs; 37 return fEquation_Rhs; 47 } 38 } 48 39 49 inline << 40 inline void 50 void G4MagIntegratorStepper::SetEquationOfMoti << 41 G4MagIntegratorStepper::SetEquationOfMotion(G4EquationOfMotion* newEquation) 51 { 42 { 52 if( newEq != nullptr ) << 43 if( newEquation != 0 ) 53 { 44 { 54 fEquation_Rhs = newEq; << 45 fEquation_Rhs= newEquation; 55 } 46 } 56 } 47 } 57 48 58 inline 49 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 50 G4int G4MagIntegratorStepper::GetNumberOfVariables() const 90 { 51 { 91 return fNoIntegrationVariables; 52 return fNoIntegrationVariables; 92 } 53 } 93 54 94 55 95 inline 56 inline 96 G4int G4MagIntegratorStepper::GetNumberOfState 57 G4int G4MagIntegratorStepper::GetNumberOfStateVariables() const 97 { 58 { 98 return fNoStateVariables; 59 return fNoStateVariables; 99 } 60 } 100 61 101 inline 62 inline 102 void G4MagIntegratorStepper::RightHandSide(con << 63 void G4MagIntegratorStepper::RightHandSide( const double y[], double dydx[] ) const 103 << 104 { 64 { 105 fEquation_Rhs->RightHandSide(y, dydx); << 65 fEquation_Rhs-> RightHandSide(y, dydx); 106 ++fNoRHSCalls; // IncrementRHSCalls(); << 66 fNoRHSCalls++; // IncrementRHSCalls(); 107 } 67 } 108 68 109 inline 69 inline 110 void G4MagIntegratorStepper::RightHandSide(con 70 void G4MagIntegratorStepper::RightHandSide(const G4double y[], 111 << 71 G4double dydx[], 112 << 72 G4double field[]) const 113 { 73 { 114 fEquation_Rhs->EvaluateRhsReturnB(y, dydx, f 74 fEquation_Rhs->EvaluateRhsReturnB(y, dydx, field); 115 ++fNoRHSCalls; << 75 fNoRHSCalls++; 116 } 76 } 117 77 118 inline 78 inline 119 void G4MagIntegratorStepper::NormaliseTangentV 79 void G4MagIntegratorStepper::NormaliseTangentVector( G4double vec[6] ) 120 { 80 { 121 G4double drds2 = vec[3]*vec[3]+vec[4]*vec[4] 81 G4double drds2 = vec[3]*vec[3]+vec[4]*vec[4]+vec[5]*vec[5]; 122 82 123 if( std::fabs(drds2 - 1.0) > 1.e-14 ) 83 if( std::fabs(drds2 - 1.0) > 1.e-14 ) 124 { 84 { 125 G4double normx = 1.0 / std::sqrt(drds2); 85 G4double normx = 1.0 / std::sqrt(drds2); 126 for(auto i=3; i<6; ++i) { vec[i] *= normx; << 86 for(G4int i=3;i<6;i++) { vec[i] *= normx; } 127 } 87 } 128 } 88 } 129 89 130 inline 90 inline 131 void G4MagIntegratorStepper::NormalisePolariza 91 void G4MagIntegratorStepper::NormalisePolarizationVector( G4double vec[12] ) 132 { 92 { 133 G4double drds2 = vec[9]*vec[9]+vec[10]*vec[1 93 G4double drds2 = vec[9]*vec[9]+vec[10]*vec[10]+vec[11]*vec[11]; 134 94 135 if( drds2 > 0. ) 95 if( drds2 > 0. ) 136 { 96 { 137 if( std::fabs(drds2 - 1.0) > 1.e-14 ) 97 if( std::fabs(drds2 - 1.0) > 1.e-14 ) 138 { 98 { 139 G4double normx = 1.0 / std::sqrt(drds2); 99 G4double normx = 1.0 / std::sqrt(drds2); 140 for(auto i=9; i<12; ++i) { vec[i] *= no << 100 for(G4int i=9;i<12;i++) { vec[i] *= normx; } 141 } 101 } 142 } 102 } 143 } 103 } 144 104