Gabriele Cosmo
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
// This code implementation is the intellectual property of
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// the 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: G4HelixImplicitEuler.hh,v 1.5 2000/11/01 15:15:49 gcosmo Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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//
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// class G4HelixImplicitEuler
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//
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// Class description:
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//
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// Helix Implicit Euler:
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// x_1 = x_0 + 1/2 * ( helix(h,t_0,x_0)
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// + helix(h,t_0+h,x_0+helix(h,t0,x0) ) )
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// History:
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// - Created. W.Wander <wwc@mit.edu>, 03/11/98
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#ifndef G4HELIXIMPLICITEULER_HH
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#define G4HELIXIMPLICITEULER_HH
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#include "G4MagHelicalStepper.hh"
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class G4HelixImplicitEuler : public G4MagHelicalStepper
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{
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public: // with description
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G4HelixImplicitEuler(G4Mag_EqRhs *EqRhs)
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: G4MagHelicalStepper(EqRhs) {;}
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~G4HelixImplicitEuler() {;}
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void DumbStepper( const G4double y[],
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G4ThreeVector Bfld,
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G4double h,
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G4double yout[]);
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public: // without description
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G4int IntegratorOrder() const { return 2; }
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};
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#endif /* G4HELIXIMPLICITEULER_HH */
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