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 // 00027 // $Id$ 00028 // 00029 // ---------------------------------------------------------------------- 00030 // Class G4ImportanceAlgorithm 00031 // 00032 // Class description: 00033 // 00034 // An implementation of a G4VImportanceAlgorithm (see description in 00035 // G4VImportanceAlgorithm.hh). 00036 00037 // Author: Michael Dressel (Michael.Dressel@cern.ch) 00038 // ---------------------------------------------------------------------- 00039 #ifndef G4ImportanceAlgorithm_hh 00040 #define G4ImportanceAlgorithm_hh G4ImportanceAlgorithm_hh 00041 00042 #include "G4VImportanceAlgorithm.hh" 00043 00044 class G4ImportanceAlgorithm : public G4VImportanceAlgorithm 00045 { 00046 00047 public: // with description 00048 00049 G4ImportanceAlgorithm(); 00050 // simple construction 00051 00052 virtual ~G4ImportanceAlgorithm(); 00053 // repeate warning if triggered 00054 00055 virtual G4Nsplit_Weight Calculate(G4double ipre, 00056 G4double ipost, 00057 G4double init_w) const; 00058 // calculate the number of tracks and their weight according 00059 // to the pre and post importance value and the weight of 00060 // the mother track. 00061 private: 00062 00063 void Error(const G4String &m) const; 00064 void Warning(const G4String &m) const; 00065 00066 private: 00067 00068 mutable G4bool fWorned; 00069 }; 00070 00071 #endif