CLHEP::RandPoisson Class Reference

#include <RandPoisson.h>

Inheritance diagram for CLHEP::RandPoisson:

Public Member Functions
HepRandomEngine &	engine ()
long	fire ()
long	fire (double mean)
void	fireArray (const int size, long *vect)
void	fireArray (const int size, long *vect, double mean)
double	flat ()
double	flat (HepRandomEngine *theNewEngine)
void	flatArray (const int size, double *vect)
void	flatArray (HepRandomEngine *theNewEngine, const int size, double *vect)
std::istream &	get (std::istream &is)
std::string	name () const
double	operator() ()
double	operator() (double mean)
std::ostream &	put (std::ostream &os) const
	RandPoisson (HepRandomEngine &anEngine, double a1=1.0)
	RandPoisson (HepRandomEngine *anEngine, double a1=1.0)
virtual	~RandPoisson ()

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

Protected Member Functions
HepRandomEngine *	getLocalEngine ()

Static Protected Member Functions
static double	getMaxMean ()
static double	getOldMean ()
static double *	getPStatus ()
static void	setOldMean (double val)
static void	setPStatus (double sq, double alxm, double g1)

Protected Attributes
double	defaultMean
double	meanMax

Static Protected Attributes
static const long	seedTable [215][2]

Private Attributes
std::shared_ptr< HepRandomEngine >	localEngine
double	oldm
double	status [3]

Static Private Attributes
static const double	meanMax_st = 2.0E9
static CLHEP_THREAD_LOCAL double	oldm_st = -1.0
static CLHEP_THREAD_LOCAL double	status_st [3] = {0., 0., 0.}

Detailed Description

Author

Definition at line 41 of file RandPoisson.h.

Constructor & Destructor Documentation

RandPoisson() [1/2]

CLHEP::RandPoisson::RandPoisson ( HepRandomEngine &  anEngine, double  a1 = 1.0  )

inline

RandPoisson() [2/2]

CLHEP::RandPoisson::RandPoisson ( HepRandomEngine *  anEngine, double  a1 = 1.0  )

inline

~RandPoisson()

CLHEP::RandPoisson::~RandPoisson ( )

virtual

Definition at line 45 of file RandPoisson.cc.

                          {
}

Member Function Documentation

createInstance()

int CLHEP::HepRandom::createInstance ( )

staticinherited

Definition at line 311 of file Random.cc.

{
  return static_cast<int>( theDefaults().ensureInitialized() );
}

References CLHEP::anonymous_namespace{Random.cc}::defaults::ensureInitialized(), and CLHEP::anonymous_namespace{Random.cc}::theDefaults().

distributionName()

static std::string CLHEP::RandPoisson::distributionName ( )

inlinestatic

Definition at line 93 of file RandPoisson.h.

{return "RandPoisson";}  

engine()

HepRandomEngine & CLHEP::RandPoisson::engine ( )

virtual

Reimplemented from CLHEP::HepRandom.

Reimplemented in CLHEP::RandPoissonQ.

Definition at line 38 of file RandPoisson.cc.

{return *localEngine;}

References localEngine.

Referenced by CLHEP::RandPoissonQ::engine().

fire() [1/2]

long CLHEP::RandPoisson::fire

(

)

Definition at line 215 of file RandPoisson.cc.

                       {
  return long(fire( defaultMean ));
}

References defaultMean, and fire().

Referenced by fire(), fireArray(), and operator()().

fire() [2/2]

long CLHEP::RandPoisson::fire

(

double

mean

)

Definition at line 219 of file RandPoisson.cc.

                                {
 
// Returns as a floating-point number an integer value that is a random
// deviation drawn from a Poisson distribution of mean xm, using flat()
// as a source of uniform random numbers.
// (Adapted from Numerical Recipes in C)
 
  double em, t, y;
  double sq, alxm, g1;
 
  sq = status[0];
  alxm = status[1];
  g1 = status[2];
 
  if( xm == -1 ) return 0;
  if( xm < 12.0 ) {
    if( xm != oldm ) {
      oldm = xm;
      g1 = std::exp(-xm);
    }
    em = -1;
    t = 1.0;
    do {
      em += 1.0;
      t *= localEngine->flat();
    } while( t > g1 );
  }
  else if ( xm < meanMax ) {
    if ( xm != oldm ) {
      oldm = xm;
      sq = std::sqrt(2.0*xm);
      alxm = std::log(xm);
      g1 = xm*alxm - gammln(xm + 1.0);
    }
    do {
      do {
    y = std::tan(CLHEP::pi*localEngine->flat());
    em = sq*y + xm;
      } while( em < 0.0 );
      em = std::floor(em);
      t = 0.9*(1.0 + y*y)* std::exp(em*alxm - gammln(em + 1.0) - g1);
    } while( localEngine->flat() > t );
  }
  else {
    em = xm + std::sqrt(xm) * normal (localEngine.get());   // mf 1/13/06
    if ( static_cast<long>(em) < 0 ) 
      em = static_cast<long>(xm) >= 0 ? xm : getMaxMean();
  }    
  status[0] = sq; status[1] = alxm; status[2] = g1;
  return long(em);
}

References CLHEP::gammln(), getMaxMean(), localEngine, meanMax, CLHEP::normal(), oldm, CLHEP::pi, and status.

fireArray() [1/2]

void CLHEP::RandPoisson::fireArray	(	const int	size,
		long *	vect
	)

Definition at line 271 of file RandPoisson.cc.

{
  for( long* v = vect; v != vect + size; ++v )
    *v = fire( defaultMean );
}

References defaultMean, and fire().

fireArray() [2/2]

void CLHEP::RandPoisson::fireArray	(	const int	size,
		long *	vect,
		double	mean
	)

Definition at line 277 of file RandPoisson.cc.

{
  for( long* v = vect; v != vect + size; ++v )
    *v = fire( m1 );
}

References fire().

flat() [1/2]

double CLHEP::HepRandom::flat ( )

inherited

Definition at line 199 of file Random.cc.

{
  return theDefaults().theEngine->flat();
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

Referenced by CLHEP::RandExponential::shoot().

flat() [2/2]

double CLHEP::HepRandom::flat ( HepRandomEngine *  theNewEngine )

inlineinherited

flatArray() [1/2]

void CLHEP::HepRandom::flatArray ( const int  size, double *  vect  )

inherited

Definition at line 204 of file Random.cc.

{
  theDefaults().theEngine->flatArray(size,vect);
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

flatArray() [2/2]

void CLHEP::HepRandom::flatArray ( HepRandomEngine *  theNewEngine, const int  size, double *  vect  )

inlineinherited

get()

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

virtual

Reimplemented from CLHEP::HepRandom.

Reimplemented in CLHEP::RandPoissonQ.

Definition at line 304 of file RandPoisson.cc.

                                                {
  std::string inName;
  is >> inName;
  if (inName != name()) {
    is.clear(std::ios::badbit | is.rdstate());
    std::cerr << "Mismatch when expecting to read state of a "
              << name() << " distribution\n"
          << "Name found was " << inName
          << "\nistream is left in the badbit state\n";
    return is;
  }
  if (possibleKeywordInput(is, "Uvec", meanMax)) {
    std::vector<unsigned long> t(2);
    is >> meanMax     >> t[0] >> t[1]; meanMax     = DoubConv::longs2double(t); 
    is >> defaultMean >> t[0] >> t[1]; defaultMean = DoubConv::longs2double(t); 
    is >> status[0]   >> t[0] >> t[1]; status[0]   = DoubConv::longs2double(t); 
    is >> status[1]   >> t[0] >> t[1]; status[1]   = DoubConv::longs2double(t); 
    is >> status[2]   >> t[0] >> t[1]; status[2]   = DoubConv::longs2double(t); 
    is >> oldm        >> t[0] >> t[1]; oldm        = DoubConv::longs2double(t); 
    return is;
  }
  // is >> meanMax encompassed by possibleKeywordInput
  is >> defaultMean >> status[0] >> status[1] >> status[2];
  return is;
}

References defaultMean, CLHEP::DoubConv::longs2double(), meanMax, name(), oldm, CLHEP::possibleKeywordInput(), and status.

Referenced by CLHEP::RandPoissonQ::get().

getLocalEngine()

HepRandomEngine * CLHEP::RandPoisson::getLocalEngine ( )

inlineprotected

Referenced by CLHEP::RandPoissonQ::fire().

getMaxMean()

static double CLHEP::RandPoisson::getMaxMean ( )

inlinestaticprotected

Definition at line 103 of file RandPoisson.h.

{return meanMax_st;}

References meanMax_st.

Referenced by fire(), and shoot().

getOldMean()

static double CLHEP::RandPoisson::getOldMean ( )

inlinestaticprotected

Definition at line 101 of file RandPoisson.h.

{return oldm_st;}

References oldm_st.

Referenced by shoot().

getPStatus()

static double * CLHEP::RandPoisson::getPStatus ( )

inlinestaticprotected

Definition at line 107 of file RandPoisson.h.

{return status_st;}

References status_st.

Referenced by shoot().

getTheEngine()

HepRandomEngine * CLHEP::HepRandom::getTheEngine ( )

staticinherited

Definition at line 268 of file Random.cc.

{
  return theDefaults().theEngine.get();
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

Referenced by CLHEP::StaticRandomStates::restore(), CLHEP::RandFlat::restoreEngineStatus(), CLHEP::RandGauss::restoreEngineStatus(), CLHEP::RandFlat::saveEngineStatus(), CLHEP::RandGauss::saveEngineStatus(), CLHEP::RandExponential::shoot(), CLHEP::RandExpZiggurat::shoot(), CLHEP::RandFlat::shoot(), CLHEP::RandGauss::shoot(), CLHEP::RandGaussZiggurat::shoot(), CLHEP::RandChiSquare::shoot(), CLHEP::RandStudentT::shoot(), CLHEP::RandBreitWigner::shoot(), CLHEP::RandGamma::shoot(), shoot(), CLHEP::RandPoissonQ::shoot(), CLHEP::RandBinomial::shoot(), and CLHEP::RandFlat::shootArray().

getTheGenerator()

HepRandom * CLHEP::HepRandom::getTheGenerator ( )

staticinherited

Definition at line 263 of file Random.cc.

{
  return theDefaults().theGenerator.get();
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theGenerator.

getTheSeed()

long CLHEP::HepRandom::getTheSeed ( )

staticinherited

Definition at line 239 of file Random.cc.

{
  return theDefaults().theEngine->getSeed();
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

getTheSeeds()

const long * CLHEP::HepRandom::getTheSeeds ( )

staticinherited

Definition at line 249 of file Random.cc.

{
  return theDefaults().theEngine->getSeeds();
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

getTheTableSeeds()

void CLHEP::HepRandom::getTheTableSeeds ( long *  seeds, int  index  )

staticinherited

Definition at line 254 of file Random.cc.

{
  if ((index >= 0) && (index < 215)) {
    seeds[0] = seedTable[index][0];
    seeds[1] = seedTable[index][1];
  }
  else seeds = NULL;
}

Referenced by CLHEP::HepJamesRandom::HepJamesRandom(), CLHEP::MTwistEngine::MTwistEngine(), CLHEP::RanecuEngine::RanecuEngine(), CLHEP::Ranlux64Engine::Ranlux64Engine(), CLHEP::RanluxEngine::RanluxEngine(), and CLHEP::RanecuEngine::setSeed().

name()

std::string CLHEP::RandPoisson::name ( ) const

virtual

Reimplemented from CLHEP::HepRandom.

Reimplemented in CLHEP::RandPoissonQ.

Definition at line 37 of file RandPoisson.cc.

{return "RandPoisson";}

Referenced by source.g4viscp.G4Scene::create_scene(), get(), mcscore.MCParticle::printout(), put(), and source.g4viscp.G4Scene::update_scene().

operator()() [1/2]

double CLHEP::RandPoisson::operator() ( )

virtual

Reimplemented from CLHEP::HepRandom.

Reimplemented in CLHEP::RandPoissonQ.

Definition at line 48 of file RandPoisson.cc.

                               {
  return double(fire( defaultMean ));
}

References defaultMean, and fire().

operator()() [2/2]

double CLHEP::RandPoisson::operator()

(

double

mean

)

Definition at line 52 of file RandPoisson.cc.

                                            {
  return double(fire( mean ));
}

References fire().

put()

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

virtual

Reimplemented from CLHEP::HepRandom.

Reimplemented in CLHEP::RandPoissonQ.

Definition at line 283 of file RandPoisson.cc.

                                                      {
  int pr=os.precision(20);
  std::vector<unsigned long> t(2);
  os << " " << name() << "\n";
  os << "Uvec" << "\n";
  t = DoubConv::dto2longs(meanMax);
  os << meanMax << " " << t[0] << " " << t[1] << "\n";
  t = DoubConv::dto2longs(defaultMean);
  os << defaultMean << " " << t[0] << " " << t[1] << "\n";
  t = DoubConv::dto2longs(status[0]);
  os << status[0] << " " << t[0] << " " << t[1] << "\n";
  t = DoubConv::dto2longs(status[1]);
  os << status[1] << " " << t[0] << " " << t[1] << "\n";
  t = DoubConv::dto2longs(status[2]);
  os << status[2] << " " << t[0] << " " << t[1] << "\n";
  t = DoubConv::dto2longs(oldm);
  os << oldm << " " << t[0] << " " << t[1] << "\n";
  os.precision(pr);
  return os;
}

References defaultMean, CLHEP::DoubConv::dto2longs(), meanMax, name(), oldm, and status.

Referenced by CLHEP::RandPoissonQ::put().

restoreDistState()

static std::istream & CLHEP::HepRandom::restoreDistState ( std::istream &  is )

inlinestaticinherited

Definition at line 136 of file Random.h.

{return is;}

restoreEngineStatus()

void CLHEP::HepRandom::restoreEngineStatus ( const char  filename[] = "Config.conf" )

staticinherited

Definition at line 283 of file Random.cc.

{
  theDefaults().theEngine->restoreStatus( filename );
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

restoreFullState()

std::istream & CLHEP::HepRandom::restoreFullState ( std::istream &  is )

staticinherited

Definition at line 293 of file Random.cc.

                                                          {
  is >> *getTheEngine();
  return is;
}

Referenced by CLHEP::RandFlat::restoreFullState(), and CLHEP::RandGauss::restoreFullState().

restoreStaticRandomStates()

std::istream & CLHEP::HepRandom::restoreStaticRandomStates ( std::istream &  is )

staticinherited

Definition at line 302 of file Random.cc.

                                                                   {
  return StaticRandomStates::restore(is);
}

References CLHEP::StaticRandomStates::restore().

saveDistState()

static std::ostream & CLHEP::HepRandom::saveDistState ( std::ostream &  os )

inlinestaticinherited

Definition at line 133 of file Random.h.

{return os;}

saveEngineStatus()

void CLHEP::HepRandom::saveEngineStatus ( const char  filename[] = "Config.conf" )

staticinherited

Definition at line 278 of file Random.cc.

{
  theDefaults().theEngine->saveStatus( filename );
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

Referenced by G4CascadeInterface::ApplyYourself(), G4HadronicProcess::PostStepDoIt(), and G4CascadeInterface::Propagate().

saveFullState()

std::ostream & CLHEP::HepRandom::saveFullState ( std::ostream &  os )

staticinherited

Definition at line 288 of file Random.cc.

                                                       {
  os << *getTheEngine();
  return os;
}

Referenced by G4EventManager::DoProcessing(), G4EventManager::ProcessOneEvent(), CLHEP::RandFlat::saveFullState(), and CLHEP::RandGauss::saveFullState().

saveStaticRandomStates()

std::ostream & CLHEP::HepRandom::saveStaticRandomStates ( std::ostream &  os )

staticinherited

Definition at line 298 of file Random.cc.

                                                                {
  return StaticRandomStates::save(os);
}

References CLHEP::StaticRandomStates::save().

setOldMean()

static void CLHEP::RandPoisson::setOldMean ( double  val )

inlinestaticprotected

Definition at line 105 of file RandPoisson.h.

{oldm_st = val;}

References oldm_st.

Referenced by shoot().

setPStatus()

static void CLHEP::RandPoisson::setPStatus ( double  sq, double  alxm, double  g1  )

inlinestaticprotected

Definition at line 109 of file RandPoisson.h.

                                                            {
    status_st[0] = sq; status_st[1] = alxm; status_st[2] = g1;
  }

References status_st.

Referenced by shoot().

setTheEngine()

void CLHEP::HepRandom::setTheEngine ( HepRandomEngine *  theNewEngine )

staticinherited

Definition at line 273 of file Random.cc.

{
  theDefaults().theEngine.reset( theNewEngine, do_nothing_deleter() );
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

Referenced by CLHEP::StaticRandomStates::restore().

setTheSeed()

void CLHEP::HepRandom::setTheSeed ( long  seed, int  lxr = 3  )

staticinherited

Definition at line 234 of file Random.cc.

{
  theDefaults().theEngine->setSeed(seed,lux);
}

References CLHEP::lux, CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

setTheSeeds()

void CLHEP::HepRandom::setTheSeeds ( const long *  seeds, int  aux = -1  )

staticinherited

Definition at line 244 of file Random.cc.

{
  theDefaults().theEngine->setSeeds(seeds,aux);
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

shoot() [1/2]

long CLHEP::RandPoisson::shoot ( double  mean = 1.0 )

static

Definition at line 93 of file RandPoisson.cc.

                                 {
 
// Returns as a floating-point number an integer value that is a random
// deviation drawn from a Poisson distribution of mean xm, using flat()
// as a source of uniform random numbers.
// (Adapted from Numerical Recipes in C)
 
  double em, t, y;
  double sq, alxm, g1;
  double om = getOldMean();
  HepRandomEngine* anEngine = HepRandom::getTheEngine();
 
  double* pstatus = getPStatus();
  sq = pstatus[0];
  alxm = pstatus[1];
  g1 = pstatus[2];
 
  if( xm == -1 ) return 0;
  if( xm < 12.0 ) {
    if( xm != om ) {
      setOldMean(xm);
      g1 = std::exp(-xm);
    }
    em = -1;
    t = 1.0;
    do {
      em += 1.0;
      t *= anEngine->flat();
    } while( t > g1 );
  }
  else if ( xm < getMaxMean() ) {
    if ( xm != om ) {
      setOldMean(xm);
      sq = std::sqrt(2.0*xm);
      alxm = std::log(xm);
      g1 = xm*alxm - gammln(xm + 1.0);
    }
    do {
      do {
    y = std::tan(CLHEP::pi*anEngine->flat());
    em = sq*y + xm;
      } while( em < 0.0 );
      em = std::floor(em);
      t = 0.9*(1.0 + y*y)* std::exp(em*alxm - gammln(em + 1.0) - g1);
    } while( anEngine->flat() > t );
  }
  else {
    em = xm + std::sqrt(xm) * normal (anEngine);    // mf 1/13/06
    if ( static_cast<long>(em) < 0 ) 
      em = static_cast<long>(xm) >= 0 ? xm : getMaxMean();
  }    
  setPStatus(sq,alxm,g1);
  return long(em);
}

References CLHEP::HepRandomEngine::flat(), CLHEP::gammln(), getMaxMean(), getOldMean(), getPStatus(), CLHEP::HepRandom::getTheEngine(), CLHEP::normal(), G4InuclParticleNames::om, CLHEP::pi, setOldMean(), and setPStatus().

Referenced by CLHEP::RandPoissonQ::poissonDeviateSmall(), and shootArray().

shoot() [2/2]

long CLHEP::RandPoisson::shoot ( HepRandomEngine *  anEngine, double  mean = 1.0  )

static

Definition at line 154 of file RandPoisson.cc.

                                                            {
 
// Returns as a floating-point number an integer value that is a random
// deviation drawn from a Poisson distribution of mean xm, using flat()
// of a given Random Engine as a source of uniform random numbers.
// (Adapted from Numerical Recipes in C)
 
  double em, t, y;
  double sq, alxm, g1;
  double om = getOldMean();
 
  double* pstatus = getPStatus();
  sq = pstatus[0];
  alxm = pstatus[1];
  g1 = pstatus[2];
 
  if( xm == -1 ) return 0;
  if( xm < 12.0 ) {
    if( xm != om ) {
      setOldMean(xm);
      g1 = std::exp(-xm);
    }
    em = -1;
    t = 1.0;
    do {
      em += 1.0;
      t *= anEngine->flat();
    } while( t > g1 );
  }
  else if ( xm < getMaxMean() ) {
    if ( xm != om ) {
      setOldMean(xm);
      sq = std::sqrt(2.0*xm);
      alxm = std::log(xm);
      g1 = xm*alxm - gammln(xm + 1.0);
    }
    do {
      do {
    y = std::tan(CLHEP::pi*anEngine->flat());
    em = sq*y + xm;
      } while( em < 0.0 );
      em = std::floor(em);
      t = 0.9*(1.0 + y*y)* std::exp(em*alxm - gammln(em + 1.0) - g1);
    } while( anEngine->flat() > t );
  }
  else {
    em = xm + std::sqrt(xm) * normal (anEngine);    // mf 1/13/06
    if ( static_cast<long>(em) < 0 ) 
      em = static_cast<long>(xm) >= 0 ? xm : getMaxMean();
  }    
  setPStatus(sq,alxm,g1);
  return long(em);
}

References CLHEP::HepRandomEngine::flat(), CLHEP::gammln(), getMaxMean(), getOldMean(), getPStatus(), CLHEP::normal(), G4InuclParticleNames::om, CLHEP::pi, setOldMean(), and setPStatus().

shootArray() [1/2]

void CLHEP::RandPoisson::shootArray ( const int  size, long *  vect, double  mean = 1.0  )

static

Definition at line 148 of file RandPoisson.cc.

{
  for( long* v = vect; v != vect + size; ++v )
    *v = shoot(m1);
}

References shoot().

shootArray() [2/2]

void CLHEP::RandPoisson::shootArray ( HepRandomEngine *  anEngine, const int  size, long *  vect, double  mean = 1.0  )

static

Definition at line 208 of file RandPoisson.cc.

{
  for( long* v = vect; v != vect + size; ++v )
    *v = shoot(anEngine,m1);
}

References shoot().

showEngineStatus()

void CLHEP::HepRandom::showEngineStatus ( )

staticinherited

Definition at line 306 of file Random.cc.

{
  theDefaults().theEngine->showStatus();
}

References CLHEP::anonymous_namespace{Random.cc}::theDefaults(), and CLHEP::anonymous_namespace{Random.cc}::defaults::theEngine.

Field Documentation

defaultMean

double CLHEP::RandPoisson::defaultMean

protected

Definition at line 99 of file RandPoisson.h.

Referenced by fire(), CLHEP::RandPoissonQ::fire(), fireArray(), CLHEP::RandPoissonQ::fireArray(), get(), operator()(), put(), and CLHEP::RandPoissonQ::setupForDefaultMu().

localEngine

std::shared_ptr<HepRandomEngine> CLHEP::RandPoisson::localEngine

private

Definition at line 117 of file RandPoisson.h.

Referenced by engine(), and fire().

meanMax

double CLHEP::RandPoisson::meanMax

protected

Definition at line 98 of file RandPoisson.h.

Referenced by fire(), get(), and put().

meanMax_st

const double CLHEP::RandPoisson::meanMax_st = 2.0E9

staticprivate

Definition at line 123 of file RandPoisson.h.

Referenced by getMaxMean().

oldm

double CLHEP::RandPoisson::oldm

private

Definition at line 118 of file RandPoisson.h.

Referenced by fire(), get(), and put().

oldm_st

CLHEP_THREAD_LOCAL double CLHEP::RandPoisson::oldm_st = -1.0

staticprivate

Definition at line 122 of file RandPoisson.h.

Referenced by getOldMean(), and setOldMean().

seedTable

const long CLHEP::HepRandom::seedTable

staticprotectedinherited

Definition at line 156 of file Random.h.

status

double CLHEP::RandPoisson::status[3]

private

Definition at line 118 of file RandPoisson.h.

Referenced by fire(), get(), and put().

status_st

CLHEP_THREAD_LOCAL double CLHEP::RandPoisson::status_st = {0., 0., 0.}

staticprivate

Definition at line 121 of file RandPoisson.h.

Referenced by getPStatus(), and setPStatus().

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The documentation for this class was generated from the following files:

• source/externals/clhep/include/CLHEP/Random/RandPoisson.h
• source/externals/clhep/src/RandPoisson.cc