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geant4/source/global/HEPRandom/include/G4MTRandExponential.hh
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2016-06-10 11:51:14 +02:00

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//
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//
// $Id:$
//
// Class G4MTRandExponential
//
// Modified version with MT extensions
// of corresponding CLHEP class RandExponential
// --------------------------------------------------------------------
#ifndef G4MTRandExponential_h
#define G4MTRandExponential_h 1
#include "G4MTHepRandom.hh"
class G4MTRandExponential : public G4MTHepRandom
{
public:
inline G4MTRandExponential ( CLHEP::HepRandomEngine& anEngine, G4double mean=1.0 );
inline G4MTRandExponential ( CLHEP::HepRandomEngine* anEngine, G4double mean=1.0 );
// These constructors should be used to instantiate a G4MTRandExponential
// distribution object defining a local engine for it.
// The static generator will be skipped using the non-static methods
// defined below.
// If the engine is passed by pointer the corresponding engine object
// will be deleted by the G4MTRandExponential destructor.
// If the engine is passed by reference the corresponding engine object
// will not be deleted by the G4MTRandExponential destructor.
virtual ~G4MTRandExponential();
// Destructor
// Static methods to shoot random values using the static generator
static G4double shoot();
static G4double shoot( G4double mean );
static void shootArray ( const G4int size, G4double* vect,
G4double mean=1.0 );
// Static methods to shoot random values using a given engine
// by-passing the static generator.
static inline G4double shoot( CLHEP::HepRandomEngine* anEngine );
static inline G4double shoot( CLHEP::HepRandomEngine* anEngine, G4double mean );
static void shootArray ( CLHEP::HepRandomEngine* anEngine, const G4int size,
G4double* vect, G4double mean=1.0 );
// Methods using the localEngine to shoot random values, by-passing
// the static generator.
inline G4double fire();
inline G4double fire( G4double mean );
void fireArray ( const G4int size, G4double* vect );
void fireArray ( const G4int size, G4double* vect, G4double mean );
G4double operator()();
G4double operator()( G4double mean );
private:
CLHEP::HepRandomEngine* localEngine;
G4bool deleteEngine;
G4double defaultMean;
};
#include "G4MTRandExponential.icc"
#endif