170 lines
4.3 KiB
Plaintext
170 lines
4.3 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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//
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// $Id: G4MagIntegratorDriver.icc,v 1.13 2007/05/10 10:10:48 japost Exp $
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// GEANT4 tag $Name: geant4-08-03 $
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//
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// --------------------------------------------------------------------
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inline
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G4double G4MagInt_Driver::GetHmin() const
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{
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return fMinimumStep;
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}
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inline
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G4double G4MagInt_Driver::Hmin() const
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{
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return fMinimumStep;
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}
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inline
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G4double G4MagInt_Driver::GetSafety() const
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{
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return safety;
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}
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inline
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G4double G4MagInt_Driver::GetPshrnk() const
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{
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return pshrnk;
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}
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inline
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G4double G4MagInt_Driver::GetPgrow() const
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{
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return pgrow;
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}
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inline
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G4double G4MagInt_Driver::GetErrcon() const
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{
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return errcon;
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}
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inline
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void G4MagInt_Driver::SetHmin(G4double newval)
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{
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fMinimumStep = newval;
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}
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inline
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G4double G4MagInt_Driver::ComputeAndSetErrcon()
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{
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errcon = std::pow(max_stepping_increase/GetSafety(),1.0/GetPgrow());
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return errcon;
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}
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inline
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void G4MagInt_Driver::ReSetParameters(G4double new_safety)
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{
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safety = new_safety;
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pshrnk = -1.0 / pIntStepper->IntegratorOrder();
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pgrow = -1.0 / (1.0 + pIntStepper->IntegratorOrder());
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ComputeAndSetErrcon();
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}
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inline
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void G4MagInt_Driver::SetSafety(G4double val)
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{
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safety=val;
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ComputeAndSetErrcon();
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}
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inline
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void G4MagInt_Driver::SetPgrow(G4double val)
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{
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pgrow=val;
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ComputeAndSetErrcon();
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}
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inline
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void G4MagInt_Driver::SetErrcon(G4double val)
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{
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errcon=val;
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}
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inline
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void G4MagInt_Driver::RenewStepperAndAdjust(G4MagIntegratorStepper *pItsStepper)
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{
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pIntStepper = pItsStepper;
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ReSetParameters();
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}
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inline
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void G4MagInt_Driver::SetChargeMomentumMass(G4double particleCharge, // e+
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G4double MomentumXc,
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G4double Mass )
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{
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pIntStepper->GetEquationOfMotion()
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->SetChargeMomentumMass(particleCharge, MomentumXc, Mass);
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}
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inline
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const G4MagIntegratorStepper* G4MagInt_Driver::GetStepper() const
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{
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return pIntStepper;
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}
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inline
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G4int G4MagInt_Driver::GetMaxNoSteps() const
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{
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return fMaxNoSteps;
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}
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inline
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void G4MagInt_Driver::SetMaxNoSteps(G4int val)
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{
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fMaxNoSteps= val;
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}
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inline
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void G4MagInt_Driver::GetDerivatives(const G4FieldTrack &y_curr, // const, INput
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G4double dydx[]) // OUTput
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{
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G4double tmpValArr[G4FieldTrack::ncompSVEC];
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y_curr.DumpToArray( tmpValArr );
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pIntStepper -> RightHandSide( tmpValArr , dydx );
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}
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inline
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G4double G4MagInt_Driver::GetVerboseLevel() const
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{
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return fVerboseLevel;
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}
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inline
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void G4MagInt_Driver::SetVerboseLevel(G4int newLevel)
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{
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fVerboseLevel= newLevel;
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}
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inline
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G4double G4MagInt_Driver::GetSmallestFraction() const
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{
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return fSmallestFraction;
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}
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