Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/geometry/magneticfield/src/G4HarmonicPolMagField.cc

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Diff markup

Differences between /geometry/magneticfield/src/G4HarmonicPolMagField.cc (Version 11.3.0) and /geometry/magneticfield/src/G4HarmonicPolMagField.cc (Version 6.2)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
  3 // * License and Disclaimer                    <<   3 // * DISCLAIMER                                                       *
  4 // *                                                4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of th <<   5 // * The following disclaimer summarizes all the specific disclaimers *
  6 // * the Geant4 Collaboration.  It is provided <<   6 // * of contributors to this software. The specific disclaimers,which *
  7 // * conditions of the Geant4 Software License <<   7 // * govern, are listed with their locations in:                      *
  8 // * LICENSE and available at  http://cern.ch/ <<   8 // *   http://cern.ch/geant4/license                                  *
  9 // * include a list of copyright holders.      << 
 10 // *                                                9 // *                                                                  *
 11 // * Neither the authors of this software syst     10 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing fin     11 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warran     12 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assum     13 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  <<  14 // * use.                                                             *
 16 // * for the full disclaimer and the limitatio << 
 17 // *                                               15 // *                                                                  *
 18 // * This  code  implementation is the result  <<  16 // * This  code  implementation is the  intellectual property  of the *
 19 // * technical work of the GEANT4 collaboratio <<  17 // * GEANT4 collaboration.                                            *
 20 // * By using,  copying,  modifying or  distri <<  18 // * By copying,  distributing  or modifying the Program (or any work *
 21 // * any work based  on the software)  you  ag <<  19 // * based  on  the Program)  you indicate  your  acceptance of  this *
 22 // * use  in  resulting  scientific  publicati <<  20 // * statement, and all its terms.                                    *
 23 // * acceptance of all terms of the Geant4 Sof << 
 24 // *******************************************     21 // ********************************************************************
 25 //                                                 22 //
 26 // G4HarmonicPolMagField implementation        << 
 27 //                                                 23 //
 28 // Author: V.Grichine, 03.02.1997              <<  24 // $Id: G4HarmonicPolMagField.cc,v 1.5 2003/10/31 14:35:54 gcosmo Exp $
                                                   >>  25 // GEANT4 tag $Name: geant4-06-00-patch-01 $
                                                   >>  26 //
 29 // -------------------------------------------     27 // -------------------------------------------------------------------
 30                                                    28 
 31 #include "G4HarmonicPolMagField.hh"                29 #include "G4HarmonicPolMagField.hh"
 32 #include "globals.hh"                              30 #include "globals.hh"
 33                                                    31 
 34 G4HarmonicPolMagField::G4HarmonicPolMagField() <<  32 G4HarmonicPolMagField::G4HarmonicPolMagField()
 35                                                << 
 36 G4HarmonicPolMagField* G4HarmonicPolMagField:: << 
 37 {                                                  33 {
 38   return new G4HarmonicPolMagField;            << 
 39 }                                                  34 }
 40                                                    35 
 41 // ------------------------------------------- <<  36 /////////////////////////////////////////////////////////////////////////  
 42                                                    37 
 43 G4HarmonicPolMagField::~G4HarmonicPolMagField( <<  38 G4HarmonicPolMagField::~G4HarmonicPolMagField()
                                                   >>  39 {
                                                   >>  40 }
                                                   >>  41 
                                                   >>  42 /////////////////////////////////////////////////////////////////////////
 44                                                    43 
 45 // ------------------------------------------- << 
 46                                                    44 
 47 void G4HarmonicPolMagField::GetFieldValue(cons <<  45 void G4HarmonicPolMagField::GetFieldValue(const G4double yTrack[7],
 48                                                <<  46                                                 G4double B[3]     ) const  
 49 {                                                  47 {
                                                   >>  48    G4int i ;
 50    G4double a = 1.00 ;   // mm -> m                49    G4double a = 1.00 ;   // mm -> m 
 51    G4double x = a*yTrack[0], y = a*yTrack[1],      50    G4double x = a*yTrack[0], y = a*yTrack[1], z = a*yTrack[2] ;
 52    G4double x2 = x*x, y2 = y*y, z2 = z*z ;         51    G4double x2 = x*x, y2 = y*y, z2 = z*z ;
 53    G4double x3 = x2*x, y3 = y2*y, z3 = z2*z ;      52    G4double x3 = x2*x, y3 = y2*y, z3 = z2*z ;
 54    G4double xy = x*y, xz = x*z, yz = y*z, xyz      53    G4double xy = x*y, xz = x*z, yz = y*z, xyz = x*y*z ;
 55    static G4ThreadLocal G4double               <<  54    static G4double
 56    c[24] = {                                       55    c[24] = {
 57              .010, .010, .010,                     56              .010, .010, .010,                                       // 3(0)
 58              .0001, .0001, .0001, .0001, .0001 <<  57        .0001, .0001, .0001, .0001, .0001,                      // 5(1)
 59              .00001, .00001, .00001, .00001, . <<  58        .00001, .00001, .00001, .00001, .00001, .00001, .00001, // 7(2)
 60              .000001, .000001, .000001, .00000 <<  59        .000001, .000001, .000001, .000001, .000001, .000001,
 61              .0000001, .0000001, .0000001      <<  60        .0000001, .0000001, .0000001                            // 9(3)
 62             } ;                                    61             } ;                                            // total :   24
 63                                                    62    
 64    //   for(auto i=0;i<24; ++i)                <<  63    //   for(i=0;i<24;i++)
 65    //   {                                          64    //   {
 66    //      c[i] = 1.0*c[i] ;                       65    //      c[i] = 1.0*c[i] ;
 67    //   }                                          66    //   }
 68    B[0] =  c[1]                                    67    B[0] =  c[1]
 69           -2*c[3]*x + c[4]*z +c[6]*y -2*c[7]*x     68           -2*c[3]*x + c[4]*z +c[6]*y -2*c[7]*x
 70           -6*c[8]*xz + c[9]*(z2-x2) -2*c[10]*x     69           -6*c[8]*xz + c[9]*(z2-x2) -2*c[10]*xy + c[11]*yz - 2*c[12]*xz
 71           +c[13]*(y2-x2) - 6*c[14]*xy              70           +c[13]*(y2-x2) - 6*c[14]*xy
 72           -4*c[15]*(3*x*z2-x3) +c[16]*(z3-3*x2     71           -4*c[15]*(3*x*z2-x3) +c[16]*(z3-3*x2*z) - 6*c[17]*xyz +c[18]*y*(z2-x2)
 73           -2*c[19]*(x*z2+x*y2-2*x3/3) + c[20]*     72           -2*c[19]*(x*z2+x*y2-2*x3/3) + c[20]*z*(y2-x2) - 6*c[21]*xyz
 74           +c[22]*(y3-3*x2*y) - 4*c[23]*(3*x*y2     73           +c[22]*(y3-3*x2*y) - 4*c[23]*(3*x*y2-x3) ;
 75                                                    74    
 76    B[1] =  c[2]                                    75    B[1] =  c[2]
 77           +c[5]*z + c[6]*x + 2*c[7]*y              76           +c[5]*z + c[6]*x + 2*c[7]*y
 78           +c[10]*(z2-x2) + c[11]*xz +2*c[12]*y     77           +c[10]*(z2-x2) + c[11]*xz +2*c[12]*yz +2*c[13]*xy + 3*c[14]*(y2-x2)
 79           +c[17]*(z3-3*x2*z) + c[18]*(x*z2-x3/ <<  78     +c[17]*(z3-3*x2*z) + c[18]*(x*z2-x3/3) +2*c[19]*y*(z2-x2)
 80           +2*c[20]*xyz                             79           +2*c[20]*xyz
 81           +3*c[21]*z*(y2-x2) + c[22]*(3*x*y2-x     80           +3*c[21]*z*(y2-x2) + c[22]*(3*x*y2-x3) + 4*c[23]*(y3-3*x2*y) ;
 82                                                    81    
 83    B[2] =  c[0]                                    82    B[2] =  c[0]
 84           +c[3]*z + c[4]*x + c[5]*y                83           +c[3]*z + c[4]*x + c[5]*y
 85           +3*c[8]*(z2-x2) + 2*c[9]*xz + 2*c[10     84           +3*c[8]*(z2-x2) + 2*c[9]*xz + 2*c[10]*yz + c[11]*xy + c[12]*(y2-x2)
 86           +4*c[15]*(z3-3*x2*z) + c[16]*(3*x*z2     85           +4*c[15]*(z3-3*x2*z) + c[16]*(3*x*z2-x3) + 3*c[17]*(y*z2-x2*y)
 87           +2*c[18]*xyz                             86           +2*c[18]*xyz
 88           +2*c[19]*z*(y2-x2) + c[20]*(x*y2-x3/     87           +2*c[19]*z*(y2-x2) + c[20]*(x*y2-x3/3) + c[21]*(y3-3*x2*y) ;
 89    for(auto i=0; i<3 ; ++i)                    <<  88    for(i=0;i<3;i++)
 90    {                                               89    {
 91       B[i] = 0.1*B[i] ;                            90       B[i] = 0.1*B[i] ;
 92    }                                               91    }
 93 }                                                  92 }
 94                                                    93 
 95 // -------------------------------------------     94 // -----------------------------------------------------------------
 96                                                    95