1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4EquationOfMotion.icc,v 1.9 2006/06/29 18:22:07 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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29 | // |
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30 | // |
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31 | // Inline implementation |
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32 | // |
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33 | // ------------------------------------------------------------------- |
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34 | |
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35 | inline |
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36 | G4EquationOfMotion::G4EquationOfMotion(G4Field* pField) |
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37 | :itsField(pField) |
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38 | {} |
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39 | |
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40 | inline |
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41 | const G4Field* G4EquationOfMotion::GetFieldObj() const |
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42 | { |
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43 | return itsField; |
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44 | } |
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45 | |
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46 | inline |
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47 | void G4EquationOfMotion::SetFieldObj(G4Field* pField) |
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48 | { |
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49 | itsField= pField; |
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50 | } |
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51 | |
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52 | inline |
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53 | void G4EquationOfMotion::GetFieldValue( const G4double Point[4], |
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54 | G4double Field[] ) const |
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55 | { |
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56 | itsField-> GetFieldValue( Point, Field ); |
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57 | } |
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58 | |
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59 | inline |
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60 | void |
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61 | G4EquationOfMotion::RightHandSide( const G4double y[], |
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62 | G4double dydx[] ) const |
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63 | { |
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64 | G4double Field[G4maximum_number_of_field_components]; |
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65 | G4double PositionAndTime[4]; |
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66 | |
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67 | // Position |
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68 | PositionAndTime[0] = y[0]; |
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69 | PositionAndTime[1] = y[1]; |
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70 | PositionAndTime[2] = y[2]; |
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71 | // Global Time |
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72 | PositionAndTime[3] = y[7]; // See G4FieldTrack::LoadFromArray |
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73 | |
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74 | GetFieldValue(PositionAndTime, Field) ; |
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75 | EvaluateRhsGivenB( y, Field, dydx ); |
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76 | } |
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77 | |
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