00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id: G4EquationOfMotion.icc 69786 2013-05-15 09:38:51Z gcosmo $ 00028 // 00029 // 00030 // Inline implementation 00031 // 00032 // ------------------------------------------------------------------- 00033 00034 inline 00035 G4EquationOfMotion::G4EquationOfMotion(G4Field* pField) 00036 :itsField(pField) 00037 {} 00038 00039 inline 00040 const G4Field* G4EquationOfMotion::GetFieldObj() const 00041 { 00042 return itsField; 00043 } 00044 00045 inline 00046 void G4EquationOfMotion::SetFieldObj(G4Field* pField) 00047 { 00048 itsField= pField; 00049 } 00050 00051 inline 00052 void G4EquationOfMotion::GetFieldValue( const G4double Point[4], 00053 G4double Field[] ) const 00054 { 00055 itsField-> GetFieldValue( Point, Field ); 00056 } 00057 00058 inline 00059 void 00060 G4EquationOfMotion::RightHandSide( const G4double y[], 00061 G4double dydx[] ) const 00062 { 00063 G4double Field[G4maximum_number_of_field_components]; 00064 G4double PositionAndTime[4]; 00065 00066 // Position 00067 PositionAndTime[0] = y[0]; 00068 PositionAndTime[1] = y[1]; 00069 PositionAndTime[2] = y[2]; 00070 // Global Time 00071 PositionAndTime[3] = y[7]; // See G4FieldTrack::LoadFromArray 00072 00073 GetFieldValue(PositionAndTime, Field) ; 00074 EvaluateRhsGivenB( y, Field, dydx ); 00075 } 00076