Gabriele Cosmo
70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
//
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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: G4HelixExplicitEuler.hh,v 1.6 2001/07/11 09:59:08 gunter Exp $
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// GEANT4 tag $Name: geant4-05-00 $
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//
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//
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// class G4HelixExplicitEuler
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//
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// Class description:
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//
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// Helix Explicit Euler: x_1 = x_0 + helix(h)
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// with helix(h) being a helix piece of length h.
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// A simple approach for solving linear differential equations.
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// Take the current derivative and add it to the current position.
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// History:
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// - Created. W.Wander <wwc@mit.edu>, 12/09/97
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#ifndef G4HELIXEXPLICITEULER_HH
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#define G4HELIXEXPLICITEULER_HH
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#include "G4MagHelicalStepper.hh"
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class G4HelixExplicitEuler : public G4MagHelicalStepper
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{
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public:
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G4HelixExplicitEuler(G4Mag_EqRhs *EqRhs)
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: G4MagHelicalStepper(EqRhs) {;}
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~G4HelixExplicitEuler() {;}
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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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// DELETED RightHandSide( ) !!!!
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// Replaced by MagFieldEvaluate( const G4double y[], G4double B[] )
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// in G4HelicalStepper
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G4int IntegratorOrder() const { return 1; }
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};
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#endif /* G4EXPLICITEULER_HH */
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