G4INCLRandom.hh

Go to the documentation of this file.

//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
// INCL++ intra-nuclear cascade model
// Alain Boudard, CEA-Saclay, France
// Joseph Cugnon, University of Liege, Belgium
// Jean-Christophe David, CEA-Saclay, France
// Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
// Sylvie Leray, CEA-Saclay, France
// Davide Mancusi, CEA-Saclay, France
//
#define INCLXX_IN_GEANT4_MODE 1
 
#include "globals.hh"
 
/*
 * G4INCLRandom.hh
 *
 *  \date 7 June 2009
 * \author Pekka Kaitaniemi
 */
 
#ifndef G4INCLRANDOM_HH_
#define G4INCLRANDOM_HH_
 
#include <iostream>
#include <cmath>
#include <utility>
#include <limits>
#include "G4INCLIRandomGenerator.hh"
#include "G4INCLThreeVector.hh"
#include "G4INCLGlobals.hh"
#include "G4INCLConfig.hh"
#include "Randomize.hh"
 
namespace G4INCL {
 
  namespace Random {
    void setGenerator(G4INCL::IRandomGenerator *aGenerator);
 
    void setSeeds(const SeedVector &sv);
 
    SeedVector getSeeds();
 
    G4double shoot();
 
    G4double shoot0();
 
    G4double shoot1();
 
    template<typename T> T shootInteger(T n){
      return static_cast<T>(shoot1() * n);
    }
 
    G4double gauss(G4double sigma=1.);
 
#ifdef INCLXX_IN_GEANT4_MODE
      G4double gaussWithMemory(G4double sigma=1.);
#endif
 
    ThreeVector normVector(G4double norm=1.);
 
    ThreeVector sphereVector(G4double rmax=1.);
 
    ThreeVector gaussVector(G4double sigma=1.);
 
    std::pair<G4double,G4double> correlatedGaussian(const G4double corrCoeff, const G4double x0=0., const G4double sigma=1.);
 
    std::pair<G4double,G4double> correlatedUniform(const G4double corrCoeff);
 
    void deleteGenerator();
 
    G4bool isInitialized();
 
#ifdef INCL_COUNT_RND_CALLS
    unsigned long long getNumberOfCalls();
#endif
 
    void saveSeeds();
 
    SeedVector getSavedSeeds();
 
#ifdef INCLXX_IN_GEANT4_MODE
    void initialize(Config const * const);
#else
    void initialize(Config const * const theConfig);
#endif
 
    class Adapter {
      public:
        using result_type = unsigned long;
 
        static constexpr result_type min() {
          return std::numeric_limits<Adapter::result_type>::min();
        }
 
        static constexpr result_type max() {
          return std::numeric_limits<Adapter::result_type>::max();
        }
 
        result_type operator()() const {
          #ifdef INCLXX_IN_GEANT4_MODE
             return G4RandFlat::shootInt(INT_MAX);
          #else
             return shootInteger(max());
          #endif
        }
 
    };
 
    Adapter const &getAdapter();
  }
 
}
 
#endif /* G4INCLRANDOM_HH_ */