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Geant4/geometry/magneticfield/include/G4MagIntegratorStepper.icc

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Differences between /geometry/magneticfield/include/G4MagIntegratorStepper.icc (Version 11.3.0) and /geometry/magneticfield/include/G4MagIntegratorStepper.icc (Version 11.1.3)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
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  8 // * LICENSE and available at  http://cern.ch/      8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
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 11 // * Neither the authors of this software syst     11 // * Neither the authors of this software system, nor their employing *
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 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