Gabriele Cosmo
123 lines
4.7 KiB
C++
123 lines
4.7 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id:$
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//
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// Class G4MTRandGaussQ
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//
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// Modified version with MT extensions
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// of corresponding CLHEP class RandGaussQ
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// --------------------------------------------------------------------
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#ifndef G4MTRandGaussQ_h
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#define G4MTRandGaussQ_h 1
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#include "G4MTRandGauss.hh"
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class G4MTRandGaussQ : public G4MTRandGauss
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{
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public:
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inline G4MTRandGaussQ ( CLHEP::HepRandomEngine& anEngine, G4double mean=0.0,
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G4double stdDev=1.0 );
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inline G4MTRandGaussQ ( CLHEP::HepRandomEngine* anEngine, G4double mean=0.0,
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G4double stdDev=1.0 );
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// These constructors should be used to instantiate a G4MTRandGaussQ
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// distribution object defining a local engine for it.
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// The static generator will be skipped using the non-static methods
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// defined below.
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// If the engine is passed by pointer the corresponding engine object
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// will be deleted by the G4MTRandGaussQ destructor.
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// If the engine is passed by reference the corresponding engine object
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// will not be deleted by the G4MTRandGaussQ destructor.
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// Destructor
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virtual ~G4MTRandGaussQ();
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//
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// Methods to generate Gaussian-distributed random deviates:
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//
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// If a fast good engine takes 1 usec, G4MTRandGauss::fire()
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// adds 1 usec while G4MTRandGaussQ::fire() adds only .4 usec.
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//
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// Static methods to shoot random values using the static generator
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static inline G4double shoot();
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static inline G4double shoot( G4double mean, G4double stdDev );
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static void shootArray ( const G4int size, G4double* vect,
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G4double mean=0.0, G4double stdDev=1.0 );
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// Static methods to shoot random values using a given engine
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// by-passing the static generator.
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static inline G4double shoot( CLHEP::HepRandomEngine* anotherEngine );
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static inline G4double shoot( CLHEP::HepRandomEngine* anotherEngine,
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G4double mean, G4double stdDev );
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static void shootArray ( CLHEP::HepRandomEngine* anotherEngine,
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const G4int size,
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G4double* vect, G4double mean=0.0,
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G4double stdDev=1.0 );
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// Instance methods using the localEngine to instead of the static
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// generator, and the default mean and stdDev established at construction
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inline G4double fire();
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inline G4double fire ( G4double mean, G4double stdDev );
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void fireArray ( const G4int size, G4double* vect);
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void fireArray ( const G4int size, G4double* vect,
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G4double mean, G4double stdDev );
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virtual G4double operator()();
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virtual G4double operator()( G4double mean, G4double stdDev );
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protected:
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static G4double transformQuick (G4double r);
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static G4double transformSmall (G4double r);
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private:
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// Private copy constructor. Defining it here disallows use.
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G4MTRandGaussQ(const G4MTRandGaussQ& d);
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// All the engine info, and the default mean and sigma,
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// are in the G4MTRandGauss base class.
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};
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#include "G4MTRandGaussQ.icc"
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#endif
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