| 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: geant4-09-02-cand-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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