CLHEP 2.4.6.4
C++ Class Library for High Energy Physics
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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)
 
virtual double operator() ()
 
virtual std::string name () const
 
virtual HepRandomEngineengine ()
 
virtual std::ostream & put (std::ostream &os) const
 
virtual std::istream & get (std::istream &is)
 

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 38 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 32 of file RandGamma.cc.

32 {
33}

Member Function Documentation

◆ distributionName()

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

Definition at line 100 of file RandGamma.h.

100{return "RandGamma";}

◆ engine()

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

Reimplemented from CLHEP::HepRandom.

Definition at line 30 of file RandGamma.cc.

30{return *localEngine;}

◆ fire() [1/2]

double CLHEP::RandGamma::fire ( )
inline

Referenced by dist_layout(), and fireArray().

◆ fire() [2/2]

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

Definition at line 45 of file RandGamma.cc.

45 {
46 return genGamma( localEngine.get(), k, lambda );
47}

◆ fireArray() [1/2]

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

Definition at line 64 of file RandGamma.cc.

65{
66 for( double* v = vect; v != vect + size; ++v )
67 *v = fire(defaultK,defaultLambda);
68}

◆ fireArray() [2/2]

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

Definition at line 70 of file RandGamma.cc.

72{
73 for( double* v = vect; v != vect + size; ++v )
74 *v = fire(k,lambda);
75}

◆ get()

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

Reimplemented from CLHEP::HepRandom.

Definition at line 247 of file RandGamma.cc.

247 {
248 std::string inName;
249 is >> inName;
250 if (inName != name()) {
251 is.clear(std::ios::badbit | is.rdstate());
252 std::cerr << "Mismatch when expecting to read state of a "
253 << name() << " distribution\n"
254 << "Name found was " << inName
255 << "\nistream is left in the badbit state\n";
256 return is;
257 }
258 if (possibleKeywordInput(is, "Uvec", defaultK)) {
259 std::vector<unsigned long> t(2);
260 is >> defaultK >> t[0] >> t[1]; defaultK = DoubConv::longs2double(t);
261 is >> defaultLambda>>t[0]>>t[1]; defaultLambda = DoubConv::longs2double(t);
262 return is;
263 }
264 // is >> defaultK encompassed by possibleKeywordInput
265 is >> defaultLambda;
266 return is;
267}
static double longs2double(const std::vector< unsigned long > &v)
Definition: DoubConv.cc:110
std::string name() const
Definition: RandGamma.cc:29
bool possibleKeywordInput(IS &is, const std::string &key, T &t)
Definition: RandomEngine.h:168

◆ name()

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

Reimplemented from CLHEP::HepRandom.

Definition at line 29 of file RandGamma.cc.

29{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 227 of file RandGamma.cc.

227 {
228 long pr=os.precision(20);
229 std::vector<unsigned long> t(2);
230 os << " " << name() << "\n";
231 os << "Uvec" << "\n";
232 t = DoubConv::dto2longs(defaultK);
233 os << defaultK << " " << t[0] << " " << t[1] << "\n";
234 t = DoubConv::dto2longs(defaultLambda);
235 os << defaultLambda << " " << t[0] << " " << t[1] << "\n";
236 os.precision(pr);
237 return os;
238#ifdef REMOVED
239 long pr=os.precision(20);
240 os << " " << name() << "\n";
241 os << defaultK << " " << defaultLambda << "\n";
242 os.precision(pr);
243 return os;
244#endif
245}
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 40 of file RandGamma.cc.

40 {
41 HepRandomEngine *anEngine = HepRandom::getTheEngine();
42 return genGamma( anEngine, k, lambda );
43}
static HepRandomEngine * getTheEngine()
Definition: Random.cc:270

◆ 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 35 of file RandGamma.cc.

36 {
37 return genGamma( anEngine, k, lambda );
38}

◆ shootArray() [1/2]

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

Definition at line 49 of file RandGamma.cc.

51{
52 for( double* v = vect; v != vect + size; ++v )
53 *v = shoot(k,lambda);
54}
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 56 of file RandGamma.cc.

59{
60 for( double* v = vect; v != vect + size; ++v )
61 *v = shoot(anEngine,k,lambda);
62}

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