Gabriele Cosmo
26 lines
761 B
Plaintext
26 lines
761 B
Plaintext
// This code implementation is the intellectual property of
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// the RD44 GEANT4 collaboration.
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//
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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 statement,
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// and all its terms.
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//
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// $Id: G4MagIntegratorStepper.icc,v 2.2 1998/11/10 18:16:49 japost Exp $
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// GEANT4 tag $Name: geant4-00 $
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//
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inline G4EquationOfMotion* G4MagIntegratorStepper::GetEquationOfMotion() const
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{ return theEquation_Rhs; }
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inline void G4MagIntegratorStepper::
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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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