70 lines
2.4 KiB
Plaintext
70 lines
2.4 KiB
Plaintext
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4MagIntegratorStepper.icc,v 1.7 2002/11/20 18:10:44 japost Exp $
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// GEANT4 tag $Name: geant4-05-00 $
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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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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::SetNumberOfVariables(G4int newNo)
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// {
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// fNumberOfVariables = newNo;
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// }
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inline
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void G4MagIntegratorStepper::RightHandSide( const double y[], double dydx[] )
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{
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fEquation_Rhs-> RightHandSide(y, dydx);
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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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double drds2 = vec[3]*vec[3]+vec[4]*vec[4]+vec[5]*vec[5];
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if( fabs(drds2 - 1.0) > 1.e-14 ){
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double normx = 1.0 / sqrt(drds2);
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for(int i=0;i<3;i++)
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vec[i+3] *= normx;
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}
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}
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