Gabriele Cosmo
156 lines
4.1 KiB
Plaintext
156 lines
4.1 KiB
Plaintext
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4MagIntegratorStepper inline methods implementation
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//
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// Author: John Apostolakis (CERN), 15.01.1997
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// --------------------------------------------------------------------
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inline
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G4int G4MagIntegratorStepper::IntegrationOrder()
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{
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return fIntegrationOrder;
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}
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inline
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G4EquationOfMotion* G4MagIntegratorStepper::GetEquationOfMotion()
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{
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return fEquation_Rhs;
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}
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inline
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const G4EquationOfMotion* G4MagIntegratorStepper::GetEquationOfMotion() const
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{
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return fEquation_Rhs;
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}
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inline
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void G4MagIntegratorStepper::SetEquationOfMotion(G4EquationOfMotion* newEq)
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{
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if( newEq != nullptr )
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{
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fEquation_Rhs = newEq;
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}
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}
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inline
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unsigned long G4MagIntegratorStepper::GetfNoRHSCalls()
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{
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return fNoRHSCalls;
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}
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inline
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void G4MagIntegratorStepper::ResetfNORHSCalls()
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{
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fNoRHSCalls = 0;
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}
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inline
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G4bool G4MagIntegratorStepper::IsFSAL() const
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{
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return fIsFSAL;
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}
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inline
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G4bool G4MagIntegratorStepper::isQSS() const
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{
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return fIsQSS;
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}
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inline
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void G4MagIntegratorStepper::SetIsQSS(G4bool val)
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{
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fIsQSS = val;
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}
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inline
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void G4MagIntegratorStepper::SetIntegrationOrder(G4int order)
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{
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fIntegrationOrder = order;
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}
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inline
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void G4MagIntegratorStepper::SetFSAL(G4bool flag)
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{
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fIsFSAL = flag;
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}
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inline
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G4int G4MagIntegratorStepper::GetNumberOfVariables() const
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{
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return fNoIntegrationVariables;
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}
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inline
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G4int G4MagIntegratorStepper::GetNumberOfStateVariables() const
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{
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return fNoStateVariables;
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}
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inline
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void G4MagIntegratorStepper::RightHandSide(const G4double y[],
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G4double dydx[]) const
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{
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fEquation_Rhs->RightHandSide(y, dydx);
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++fNoRHSCalls; // IncrementRHSCalls();
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}
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inline
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void G4MagIntegratorStepper::RightHandSide(const G4double y[],
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G4double dydx[],
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G4double field[]) const
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{
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fEquation_Rhs->EvaluateRhsReturnB(y, dydx, field);
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++fNoRHSCalls;
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}
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inline
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void G4MagIntegratorStepper::NormaliseTangentVector( G4double vec[6] )
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{
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G4double drds2 = vec[3]*vec[3]+vec[4]*vec[4]+vec[5]*vec[5];
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if( std::fabs(drds2 - 1.0) > 1.e-14 )
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{
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G4double normx = 1.0 / std::sqrt(drds2);
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for(auto i=3; i<6; ++i) { vec[i] *= normx; }
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}
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}
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inline
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void G4MagIntegratorStepper::NormalisePolarizationVector( G4double vec[12] )
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{
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G4double drds2 = vec[9]*vec[9]+vec[10]*vec[10]+vec[11]*vec[11];
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if( drds2 > 0. )
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{
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if( std::fabs(drds2 - 1.0) > 1.e-14 )
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{
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G4double normx = 1.0 / std::sqrt(drds2);
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for(auto i=9; i<12; ++i) { vec[i] *= normx; }
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}
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}
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}
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