//
// ********************************************************************
// * DISCLAIMER                                                       *
// *                                                                  *
// * The following disclaimer summarizes all the specific disclaimers *
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// * GEANT4 collaboration.                                            *
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//
//
// $Id: G4QuadrupoleMagField.cc,v 1.3 2003/10/31 14:35:55 gcosmo Exp $
// GEANT4 tag $Name: geant4-07-00-cand-01 $
//
// -------------------------------------------------------------------

#include "G4QuadrupoleMagField.hh"

G4QuadrupoleMagField::G4QuadrupoleMagField(G4double pGradient)
{
   fGradient = pGradient ;
}

/////////////////////////////////////////////////////////////////////////

G4QuadrupoleMagField::~G4QuadrupoleMagField()
{
}

////////////////////////////////////////////////////////////////////////

void G4QuadrupoleMagField::GetFieldValue( const G4double y[7],
                                                G4double B[3]  ) const  
{
   //   G4double fGradient = 0.001 ;   // Tesla/mm
   B[0] = fGradient*y[1] ;
   B[1] = fGradient*y[0] ;
   B[2] = 0 ;
}