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geant4/LEMuSR/G4Modified/G4El_EqRhs.cc

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+//
+// ********************************************************************
+// * DISCLAIMER                                                       *
+// *                                                                  *
+// * The following disclaimer summarizes all the specific disclaimers *
+// * of contributors to this software. The specific disclaimers,which *
+// * govern, are listed with their locations in:                      *
+// *   http://cern.ch/geant4/license                                  *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.                                                             *
+// *                                                                  *
+// * This  code  implementation is the  intellectual property  of the *
+// * GEANT4 collaboration.                                            *
+// * By copying,  distributing  or modifying the Program (or any work *
+// * based  on  the Program)  you indicate  your  acceptance of  this *
+// * statement, and all its terms.                                    *
+// ********************************************************************
+//
+//
+// $Id: G4El_EqRhs.cc,v 1.10 2003/11/05 16:33:55 japost Exp $
+// GEANT4 tag $Name: geant4-06-00-patch-01 $
+//
+//  This is the standard right-hand side for equation of motion  
+//    in a pure Electric Field .
+//
+//   Other that might be required are:
+//     i) is when using a moving reference frame ... or
+//    ii) extending for other forces, eg an electric field
+//
+//            J. Apostolakis, January 13th, 1997
+// 
+// --------------------------------------------------------------------
+
+#include "G4ElectricField.hh"
+#include "G4El_EqRhs.hh"
+#include "globals.hh"
+
+//const G4double G4El_EqRhs::fUnitConstant = 0.299792458 * (GeV/(tesla*m)); 
+
+// Constructor Implementation
+//
+G4El_EqRhs::G4El_EqRhs( G4ElectricField *elField ) 
+   : G4EquationOfMotion(elField)
+{ 
+}
+
+
+G4El_EqRhs::~G4El_EqRhs() { }
+
+ void G4El_EqRhs::RightHandSide( const  G4double y[],
+				       G4double dydx[]   ) const
+{
+  G4double Field[3];   
+  G4double  PositionAndTime[4];
+
+  // Position
+  PositionAndTime[0] = y[0];
+  PositionAndTime[1] = y[1];
+  PositionAndTime[2] = y[2];
+  // Global Time
+  PositionAndTime[3] = y[7];  // See G4FieldTrack::LoadFromArray
+  
+  G4cout  <<"EL_EQ RIGHT HAND SIDE!"<<G4endl;
+  GetFieldValue(PositionAndTime, Field) ;
+  EvaluateRhsGivenB( y, Field, dydx );
+}
+
+
+void  
+G4El_EqRhs::SetChargeMomentumMass( G4double particleCharge, // e+ units
+			            G4double ,                // MomentumXc
+                                    G4double )               // particleMass
+{
+  fCof_val = particleCharge*eplus*c_light ; 
+ 
+}