Geant4 11.2.2
Toolkit for the simulation of the passage of particles through matter
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CLHEP::RandGamma Class Reference

#include <RandGamma.h>

+ Inheritance diagram for CLHEP::RandGamma:

Public Member Functions

 RandGamma (HepRandomEngine &anEngine, double k=1.0, double lambda=1.0)
 
 RandGamma (HepRandomEngine *anEngine, double k=1.0, double lambda=1.0)
 
virtual ~RandGamma ()
 
double fire ()
 
double fire (double k, double lambda)
 
void fireArray (const int size, double *vect)
 
void fireArray (const int size, double *vect, double k, double lambda)
 
double operator() ()
 
double operator() (double k, double lambda)
 
std::ostream & put (std::ostream &os) const
 
std::istream & get (std::istream &is)
 
std::string name () const
 
HepRandomEngineengine ()
 
- Public Member Functions inherited from CLHEP::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 double shoot ()
 
static double shoot (double k, double lambda)
 
static void shootArray (const int size, double *vect, double k=1.0, double lambda=1.0)
 
static double shoot (HepRandomEngine *anEngine)
 
static double shoot (HepRandomEngine *anEngine, double k, double lambda)
 
static void shootArray (HepRandomEngine *anEngine, const int size, double *vect, double k=1.0, double lambda=1.0)
 
static std::string distributionName ()
 
- Static Public Member Functions inherited from CLHEP::HepRandom
static void setTheSeed (long seed, int lxr=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 HepRandomgetTheGenerator ()
 
static void setTheEngine (HepRandomEngine *theNewEngine)
 
static HepRandomEnginegetTheEngine ()
 
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 ()
 

Additional Inherited Members

- Static Protected Attributes inherited from CLHEP::HepRandom
static const long seedTable [215][2]
 

Detailed Description

Author

Definition at line 36 of file RandGamma.h.

Constructor & Destructor Documentation

◆ RandGamma() [1/2]

CLHEP::RandGamma::RandGamma ( HepRandomEngine & anEngine,
double k = 1.0,
double lambda = 1.0 )
inline

◆ RandGamma() [2/2]

CLHEP::RandGamma::RandGamma ( HepRandomEngine * anEngine,
double k = 1.0,
double lambda = 1.0 )
inline

◆ ~RandGamma()

CLHEP::RandGamma::~RandGamma ( )
virtual

Definition at line 30 of file RandGamma.cc.

30 {
31}

Member Function Documentation

◆ distributionName()

static std::string CLHEP::RandGamma::distributionName ( )
inlinestatic

Definition at line 98 of file RandGamma.h.

98{return "RandGamma";}

◆ engine()

HepRandomEngine & CLHEP::RandGamma::engine ( )
virtual

Reimplemented from CLHEP::HepRandom.

Definition at line 28 of file RandGamma.cc.

28{return *localEngine;}

◆ fire() [1/2]

double CLHEP::RandGamma::fire ( )
inline

Referenced by fireArray(), and fireArray().

◆ fire() [2/2]

double CLHEP::RandGamma::fire ( double k,
double lambda )

Definition at line 43 of file RandGamma.cc.

43 {
44 return genGamma( localEngine.get(), k, lambda );
45}

◆ fireArray() [1/2]

void CLHEP::RandGamma::fireArray ( const int size,
double * vect )

Definition at line 62 of file RandGamma.cc.

63{
64 for( double* v = vect; v != vect + size; ++v )
65 *v = fire(defaultK,defaultLambda);
66}

◆ fireArray() [2/2]

void CLHEP::RandGamma::fireArray ( const int size,
double * vect,
double k,
double lambda )

Definition at line 68 of file RandGamma.cc.

70{
71 for( double* v = vect; v != vect + size; ++v )
72 *v = fire(k,lambda);
73}

◆ get()

std::istream & CLHEP::RandGamma::get ( std::istream & is)
virtual

Reimplemented from CLHEP::HepRandom.

Definition at line 238 of file RandGamma.cc.

238 {
239 std::string inName;
240 is >> inName;
241 if (inName != name()) {
242 is.clear(std::ios::badbit | is.rdstate());
243 std::cerr << "Mismatch when expecting to read state of a "
244 << name() << " distribution\n"
245 << "Name found was " << inName
246 << "\nistream is left in the badbit state\n";
247 return is;
248 }
249 if (possibleKeywordInput(is, "Uvec", defaultK)) {
250 std::vector<unsigned long> t(2);
251 is >> defaultK >> t[0] >> t[1]; defaultK = DoubConv::longs2double(t);
252 is >> defaultLambda>>t[0]>>t[1]; defaultLambda = DoubConv::longs2double(t);
253 return is;
254 }
255 // is >> defaultK encompassed by possibleKeywordInput
256 is >> defaultLambda;
257 return is;
258}
static double longs2double(const std::vector< unsigned long > &v)
Definition DoubConv.cc:110
std::string name() const
Definition RandGamma.cc:27
bool possibleKeywordInput(IS &is, const std::string &key, T &t)

◆ name()

std::string CLHEP::RandGamma::name ( ) const
virtual

Reimplemented from CLHEP::HepRandom.

Definition at line 27 of file RandGamma.cc.

27{return "RandGamma";}

Referenced by get(), and put().

◆ operator()() [1/2]

double CLHEP::RandGamma::operator() ( )
inlinevirtual

Reimplemented from CLHEP::HepRandom.

◆ operator()() [2/2]

double CLHEP::RandGamma::operator() ( double k,
double lambda )
inline

◆ put()

std::ostream & CLHEP::RandGamma::put ( std::ostream & os) const
virtual

Reimplemented from CLHEP::HepRandom.

Definition at line 225 of file RandGamma.cc.

225 {
226 long pr=os.precision(20);
227 std::vector<unsigned long> t(2);
228 os << " " << name() << "\n";
229 os << "Uvec" << "\n";
230 t = DoubConv::dto2longs(defaultK);
231 os << defaultK << " " << t[0] << " " << t[1] << "\n";
232 t = DoubConv::dto2longs(defaultLambda);
233 os << defaultLambda << " " << t[0] << " " << t[1] << "\n";
234 os.precision(pr);
235 return os;
236}
static std::vector< unsigned long > dto2longs(double d)
Definition DoubConv.cc:94

◆ shoot() [1/4]

static double CLHEP::RandGamma::shoot ( )
inlinestatic

◆ shoot() [2/4]

double CLHEP::RandGamma::shoot ( double k,
double lambda )
static

Definition at line 38 of file RandGamma.cc.

38 {
39 HepRandomEngine *anEngine = HepRandom::getTheEngine();
40 return genGamma( anEngine, k, lambda );
41}
static HepRandomEngine * getTheEngine()
Definition Random.cc:268

◆ shoot() [3/4]

static double CLHEP::RandGamma::shoot ( HepRandomEngine * anEngine)
inlinestatic

◆ shoot() [4/4]

double CLHEP::RandGamma::shoot ( HepRandomEngine * anEngine,
double k,
double lambda )
static

Definition at line 33 of file RandGamma.cc.

34 {
35 return genGamma( anEngine, k, lambda );
36}

◆ shootArray() [1/2]

void CLHEP::RandGamma::shootArray ( const int size,
double * vect,
double k = 1.0,
double lambda = 1.0 )
static

Definition at line 47 of file RandGamma.cc.

49{
50 for( double* v = vect; v != vect + size; ++v )
51 *v = shoot(k,lambda);
52}
static double shoot()

◆ shootArray() [2/2]

void CLHEP::RandGamma::shootArray ( HepRandomEngine * anEngine,
const int size,
double * vect,
double k = 1.0,
double lambda = 1.0 )
static

Definition at line 54 of file RandGamma.cc.

57{
58 for( double* v = vect; v != vect + size; ++v )
59 *v = shoot(anEngine,k,lambda);
60}

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