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 // INCL++ intra-nuclear cascade model 00027 // Pekka Kaitaniemi, CEA and Helsinki Institute of Physics 00028 // Davide Mancusi, CEA 00029 // Alain Boudard, CEA 00030 // Sylvie Leray, CEA 00031 // Joseph Cugnon, University of Liege 00032 // 00033 #define INCLXX_IN_GEANT4_MODE 1 00034 00035 #include "globals.hh" 00036 00044 #ifndef G4INCLNDFGAUSSIAN_HH_ 00045 #define G4INCLNDFGAUSSIAN_HH_ 00046 00047 #include "G4INCLIFunction1D.hh" 00048 #include <cmath> 00049 00050 namespace G4INCL { 00051 00052 namespace NuclearDensityFunctions { 00053 00054 class GaussianRP : public IFunction1D { 00055 public: 00056 GaussianRP(G4double maximumRadius, G4double standardDeviation) : 00057 IFunction1D(0., maximumRadius), 00058 theStandardDeviation(standardDeviation) 00059 {} 00060 00061 inline G4double operator()(const G4double r) const { 00062 const G4double arg = std::pow((r/theStandardDeviation),2); 00063 return r*r*arg*std::exp(-arg/2.0); 00064 } 00065 00066 protected: 00067 G4double theStandardDeviation; 00068 }; 00069 00070 class Gaussian : public IFunction1D { 00071 public: 00072 Gaussian(G4double maximumRadius, G4double standardDeviation) : 00073 IFunction1D(0., maximumRadius), 00074 theStandardDeviation(standardDeviation), 00075 normalisation(std::sqrt(2./Math::pi)/theStandardDeviation) 00076 {} 00077 00078 inline G4double operator()(const G4double r) const { 00079 const G4double arg = std::pow((r/theStandardDeviation),2); 00080 return normalisation * arg * std::exp(-arg/2.0); 00081 } 00082 00083 protected: 00084 G4double theStandardDeviation; 00085 const G4double normalisation; 00086 }; 00087 00088 } 00089 00090 } 00091 00092 #endif // G4INCLNDFGAUSSIAN_HH_ 00093