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 // ------------------------------------------------------------------- 00028 // GEANT4 Class file 00029 // 00030 // 00031 // File name: G4VAngularDistribution 00032 // 00033 // Author: Maria Grazia Pia (MariaGrazia.Pia@genova.infn.it) 00034 // 00035 // Creation date: 15 April 2000 00036 // 00037 // Modifications: 00038 // 00039 // Abstract class for angular distribution strategy pattern 00040 // 00041 // Id: G4VAngularDistribution.hh,v 1.16 2000/05/11 19:07:29 pia Exp $ // 00042 // 00043 // ------------------------------------------------------------------- 00044 00045 #ifndef G4VANGULARDISTRIBUTION_HH 00046 #define G4VANGULARDISTRIBUTION_HH 00047 00048 #include <CLHEP/Units/PhysicalConstants.h> 00049 00050 #include "globals.hh" 00051 #include "G4HadronicException.hh" 00052 #include "Randomize.hh" 00053 00054 class G4VAngularDistribution 00055 { 00056 00057 public: 00058 00059 // Constructors 00060 G4VAngularDistribution() { } 00061 00062 virtual ~G4VAngularDistribution() { } 00063 00064 virtual G4double CosTheta(G4double s, G4double m1, G4double m2) const = 0; 00065 00066 virtual G4double Phi() const { return 2.*CLHEP::pi*G4UniformRand(); } 00067 00068 protected: 00069 00070 private: 00071 00072 }; 00073 00074 #endif