00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id: G4ChordFinderSaf.hh 69786 2013-05-15 09:38:51Z gcosmo $ 00027 // 00028 // 00029 // class G4ChordFinderRad 00030 // 00031 // Class description: 00032 // 00033 // A class that provides the next chord, utilising an estimate of 00034 // the radius of curvature. 00035 00036 // History: 00037 // - 07.11.03 John Apostolakis, design and implementation 00038 // ------------------------------------------------------------------- 00039 00040 #include "G4ChordFinder.hh" 00041 00042 class G4ChordFinderSaf : public G4ChordFinder 00043 { 00044 00045 public: 00046 G4ChordFinderSaf(G4MagInt_Driver* pIntegrationDriver); 00047 00048 G4ChordFinderSaf( G4MagneticField* theMagField, 00049 G4double stepMinimum, 00050 G4MagIntegratorStepper* pItsStepper ); 00051 00052 ~G4ChordFinderSaf(); 00053 00054 G4double FindNextChord( const G4FieldTrack& yStart, 00055 G4double stepMax, 00056 G4FieldTrack& yEnd, // Endpoint 00057 G4double& dyErrPos, // Error of endpoint 00058 G4double epsStep, 00059 G4double* pStepForAccuracy, 00060 const G4ThreeVector latestSafetyOrigin, 00061 G4double latestSafetyRadius 00062 ); 00063 00064 void PrintStatistics(); 00065 00066 private: 00067 // G4int fNoInitialRadBig, fNoInitialRadSmall; 00068 // G4int fNoTrialsRadBig, fNoTrialsRadSmall; 00069 00070 };