Geant4  10.01.p01
G4ExplicitEuler.hh
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 // $Id: G4ExplicitEuler.hh 66356 2012-12-18 09:02:32Z gcosmo $
28 //
29 //
30 // class G4ExplicitEuler
31 //
32 // Class description:
33 //
34 // Explicit Euler stepper for magnetic field: x_1 = x_0 + h * dx_0.
35 // The most simple approach for solving linear differential equations.
36 // Take the current derivative and add it to the current position.
37 
38 // History:
39 // - Created. W.Wander <wwc@mit.edu>, 12/09/97
40 // - Adjusted for new Equation classes, J.Apostolakis 5/11/03
41 // -------------------------------------------------------------------
42 
43 #ifndef G4EXPLICITEULER_HH
44 #define G4EXPLICITEULER_HH
45 
46 #include "G4MagErrorStepper.hh"
47 
49 {
50 
51  public: // with description
52 
53  G4ExplicitEuler(G4EquationOfMotion* EqRhs, G4int numberOfVariables = 6) ;
55 
56  void DumbStepper( const G4double y[],
57  const G4double dydx[],
58  G4double h,
59  G4double yout[]);
60 
61  public: // without description
62 
63  G4int IntegratorOrder() const { return 1; }
64 
65 };
66 
67 #endif /* G4EXPLICITEULER_HH */
void DumbStepper(const G4double y[], const G4double dydx[], G4double h, G4double yout[])
int G4int
Definition: G4Types.hh:78
G4int IntegratorOrder() const
G4ExplicitEuler(G4EquationOfMotion *EqRhs, G4int numberOfVariables=6)
double G4double
Definition: G4Types.hh:76