52 lines
2.2 KiB
C++
52 lines
2.2 KiB
C++
//
|
|
// ********************************************************************
|
|
// * 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: 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 ;
|
|
}
|