Import Geant4 4.0.0 source tree

2016-06-08 16:18:25 +02:00
parent 36c080dca6
commit 921d3b1cda
3990 changed files with 185376 additions and 82884 deletions
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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.                                    *
+// ********************************************************************
+//
+#include "G4LineCurrentMagField.hh"
+#include "globals.hh"
+#include "geomdefs.hh"
+
+
+
+G4LineCurrentMagField::G4LineCurrentMagField(G4double pFieldConstant)
+{
+   fFieldConstant = pFieldConstant ;
+}
+////////////////////////////////////////////////////////////////////////
+
+G4LineCurrentMagField::~G4LineCurrentMagField()
+{
+   ;
+}
+
+///////////////////////////////////////////////////////////////////////////
+
+
+void
+   G4LineCurrentMagField::GetFieldValue( const G4double yTrack[7],
+                                               G4double B[3]      ) const  
+{
+   //   G4double fFieldConstant = 100 ;
+   G4double a = 1.00*mm ;   // mm -> m 
+   G4double x = a*yTrack[0], y = a*yTrack[1] ;
+   G4double x2 = x*x, y2 = y*y, r2 = x2 + y2 ;
+   G4double r = sqrt(r2+a*a) ;
+   G4double Br = fFieldConstant/r;
+   B[0] = -Br*y/r ;
+   B[1] = Br*x/r ;
+   B[2] = 0 ;
+   return ;
+}
+
+// -----------------------------------------------------------------
+