RandExpZiggurat Class Reference

Inheritance diagram for RandExpZiggurat:

Public Member Functions
	RandExpZiggurat (HepRandomEngine &anEngine, double mean=1.0)
	RandExpZiggurat (HepRandomEngine *anEngine, double mean=1.0)
virtual	~RandExpZiggurat ()
float	fire ()
float	fire (float mean)
void	fireArray (const int size, float *vect)
void	fireArray (const int size, double *vect)
void	fireArray (const int size, float *vect, float mean)
void	fireArray (const int size, double *vect, double mean)
virtual double	operator() ()
float	operator() (float mean)
std::ostream &	put (std::ostream &os) const
std::istream &	get (std::istream &is)
std::string	name () const
HepRandomEngine &	engine ()
Public Member Functions inherited from HepRandom
	HepRandom ()
	HepRandom (long seed)
	HepRandom (HepRandomEngine &algorithm)
	HepRandom (HepRandomEngine *algorithm)
virtual	~HepRandom ()
double	flat ()
void	flatArray (const int size, double *vect)
double	flat (HepRandomEngine *theNewEngine)
void	flatArray (HepRandomEngine *theNewEngine, const int size, double *vect)

Static Public Member Functions
static float	shoot ()
static float	shoot (float mean)
static void	shootArray (const int size, float *vect, float mean=1.0)
static void	shootArray (const int size, double *vect, double mean=1.0)
static float	shoot (HepRandomEngine *anEngine)
static float	shoot (HepRandomEngine *anEngine, float mean)
static void	shootArray (HepRandomEngine *anEngine, const int size, float *vect, float mean=1.0)
static void	shootArray (HepRandomEngine *anEngine, const int size, double *vect, double mean=1.0)
static std::string	distributionName ()
static bool	ziggurat_init ()
Static Public Member Functions inherited from HepRandom
static void	setTheSeed (long seed, int lux=3)
static long	getTheSeed ()
static void	setTheSeeds (const long *seeds, int aux=-1)
static const long *	getTheSeeds ()
static void	getTheTableSeeds (long *seeds, int index)
static HepRandom *	getTheGenerator ()
static void	setTheEngine (HepRandomEngine *theNewEngine)
static HepRandomEngine *	getTheEngine ()
static void	saveEngineStatus (const char filename[]="Config.conf")
static void	restoreEngineStatus (const char filename[]="Config.conf")
static std::ostream &	saveFullState (std::ostream &os)
static std::istream &	restoreFullState (std::istream &is)
static std::ostream &	saveDistState (std::ostream &os)
static std::istream &	restoreDistState (std::istream &is)
static std::ostream &	saveStaticRandomStates (std::ostream &os)
static std::istream &	restoreStaticRandomStates (std::istream &is)
static void	showEngineStatus ()
static int	createInstance ()
static std::string	distributionName ()

Static Protected Member Functions
static unsigned long	ziggurat_SHR3 (HepRandomEngine *anEngine)
static float	ziggurat_UNI (HepRandomEngine *anEngine)
static float	ziggurat_REXP (HepRandomEngine *anEngine)
static float	ziggurat_efix (unsigned long jz, HepRandomEngine *anEngine)

Static Protected Attributes
static CLHEP_THREAD_LOCAL unsigned long	kn [128]
static CLHEP_THREAD_LOCAL unsigned long	ke [256]
static CLHEP_THREAD_LOCAL float	wn [128]
static CLHEP_THREAD_LOCAL float	fn [128]
static CLHEP_THREAD_LOCAL float	we [256]
static CLHEP_THREAD_LOCAL float	fe [256]
static CLHEP_THREAD_LOCAL bool	ziggurat_is_init
Static Protected Attributes inherited from HepRandom
static const long	seedTable [215][2]

Private Member Functions
	RandExpZiggurat (const RandExpZiggurat &d)

Private Attributes
std::shared_ptr< HepRandomEngine >	localEngine
double	defaultMean

Detailed Description

Author

ATLAS

Constructor & Destructor Documentation

RandExpZiggurat	(	HepRandomEngine &	anEngine,
		double	mean = 1.0
	)

RandExpZiggurat	(	HepRandomEngine *	anEngine,
		double	mean = 1.0
	)

virtual ~RandExpZiggurat ( )

virtual

RandExpZiggurat ( const RandExpZiggurat &  d )

private

Member Function Documentation

static float shoot ( )

static

References HepRandom::getTheEngine(), and RandExpZiggurat::shoot().

Referenced by RandExpZiggurat::shoot().

static float shoot ( float  mean )

static

References HepRandom::getTheEngine(), and RandExpZiggurat::shoot().

Referenced by RandExpZiggurat::shoot().

static void shootArray ( const int  size, float *  vect, float  mean = 1.0  )

static

static void shootArray ( const int  size, double *  vect, double  mean = 1.0  )

static

static float shoot ( HepRandomEngine *  anEngine )

static

References RandExpZiggurat::ziggurat_REXP().

static float shoot ( HepRandomEngine *  anEngine, float  mean  )

static

References RandExpZiggurat::shoot().

Referenced by RandExpZiggurat::shoot().

static void shootArray ( HepRandomEngine *  anEngine, const int  size, float *  vect, float  mean = 1.0  )

static

static void shootArray ( HepRandomEngine *  anEngine, const int  size, double *  vect, double  mean = 1.0  )

static

float fire

(

)

References RandExpZiggurat::defaultMean, and RandExpZiggurat::fire().

Referenced by RandExpZiggurat::fire(), and RandExpZiggurat::operator()().

float fire

(

float

mean

)

References RandExpZiggurat::localEngine, and RandExpZiggurat::ziggurat_REXP().

void fireArray	(	const int	size,
		float *	vect
	)

void fireArray	(	const int	size,
		double *	vect
	)

void fireArray	(	const int	size,
		float *	vect,
		float	mean
	)

void fireArray	(	const int	size,
		double *	vect,
		double	mean
	)

virtual double operator() ( )

virtual

Reimplemented from HepRandom.

float operator()

(

float

mean

)

References RandExpZiggurat::fire().

std::ostream& put ( std::ostream &  os ) const

virtual

Reimplemented from HepRandom.

std::istream& get ( std::istream &  is )

virtual

Reimplemented from HepRandom.

std::string name ( ) const

virtual

Reimplemented from HepRandom.

HepRandomEngine& engine ( )

virtual

Reimplemented from HepRandom.

static std::string distributionName ( )

static

static bool ziggurat_init ( )

static

Referenced by RandExpZiggurat::ziggurat_REXP().

static unsigned long ziggurat_SHR3 ( HepRandomEngine *  anEngine )

staticprotected

Referenced by RandExpZiggurat::ziggurat_REXP().

static float ziggurat_UNI ( HepRandomEngine *  anEngine )

staticprotected

References HepRandomEngine::flat().

static float ziggurat_REXP ( HepRandomEngine *  anEngine )

staticprotected

References RandExpZiggurat::ke, RandExpZiggurat::we, RandExpZiggurat::ziggurat_efix(), RandExpZiggurat::ziggurat_init(), RandExpZiggurat::ziggurat_is_init, and RandExpZiggurat::ziggurat_SHR3().

Referenced by RandExpZiggurat::fire(), and RandExpZiggurat::shoot().

static float ziggurat_efix ( unsigned long  jz, HepRandomEngine *  anEngine  )

staticprotected

Referenced by RandExpZiggurat::ziggurat_REXP().

Member Data Documentation

CLHEP_THREAD_LOCAL unsigned long kn[128]

staticprotected

CLHEP_THREAD_LOCAL unsigned long ke[256]

staticprotected

Referenced by RandExpZiggurat::ziggurat_REXP().

CLHEP_THREAD_LOCAL float wn[128]

staticprotected

CLHEP_THREAD_LOCAL float fn[128]

staticprotected

CLHEP_THREAD_LOCAL float we[256]

staticprotected

Referenced by RandExpZiggurat::ziggurat_REXP().

CLHEP_THREAD_LOCAL float fe[256]

staticprotected

CLHEP_THREAD_LOCAL bool ziggurat_is_init

staticprotected

Referenced by RandExpZiggurat::ziggurat_REXP().

std::shared_ptr<HepRandomEngine> localEngine

private

Referenced by RandExpZiggurat::fire().

double defaultMean

private

Referenced by RandExpZiggurat::fire().