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 //-------------------------------------------------------------------- 00031 // GEANT 4 class header file 00032 // 00033 // G4PhysicsLnVector.hh 00034 // 00035 // Class description: 00036 // 00037 // A physics vector which has values of energy-loss, cross-section, 00038 // and other physics values of a particle in matter in a given 00039 // range of the energy, momentum, etc. The scale of energy/momentum 00040 // bins is natural logarithmic. 00041 // 00042 // History: 00043 // 27 Apr. 1999, M.G. Pia: Created, copying from G4PhysicsLogVector 00044 // 11 Nov. 2000, H.Kurashige : Use STL vector for dataVector and binVector 00045 // 16 Aug. 2011 H.Kurashige : Move dBin, baseBin to the base class 00046 // 00047 //-------------------------------------------------------------------- 00048 00049 #ifndef G4PhysicsLnVector_h 00050 #define G4PhysicsLnVector_h 1 00051 00052 #include "globals.hh" 00053 #include "G4PhysicsVector.hh" 00054 00055 class G4PhysicsLnVector : public G4PhysicsVector 00056 { 00057 public: 00058 00059 G4PhysicsLnVector(); 00060 explicit G4PhysicsLnVector(size_t theNbin); 00061 // Constructors 00062 00063 public: // with description 00064 00065 G4PhysicsLnVector(G4double theEmin, G4double theEmax, size_t theNbin); 00066 // Because of logarithmic scale, note that 'theEmin' has to be 00067 // greater than zero. No protection exists against this error. 00068 00069 ~G4PhysicsLnVector(); 00070 // Destructor. 00071 00072 virtual G4bool Retrieve(std::ifstream& fIn, G4bool ascii); 00073 // To retrieve persistent data from file stream. 00074 00075 virtual void ScaleVector(G4double factorE, G4double factorV); 00076 // Scale all values of the vector and second derivatives 00077 // by factorV, energies by vectorE. 00078 00079 protected: 00080 00081 virtual size_t FindBinLocation(G4double theEnergy) const; 00082 // Find bin# in which theEnergy belongs - pure virtual function. 00083 }; 00084 00085 #endif