OMNeT++ API 6.1
Discrete Event Simulation Library
Public Member Functions | List of all members
cLCG32 Class Reference

Description

Implements a 32-bit (2^31-2 cycle length) linear congruential random number generator.

  • Range: 1 ... 2^31-2
  • Period length: 2^31-2
  • Method: x=(x * 7^5) mod (2^31-1)
  • Required hardware: exactly 32-bit integer arithmetics
  • To check: if x[0]=1 then x[10000]=1,043,618,065

Source: Raj Jain: The Art of Computer Systems Performance Analysis (John Wiley & Sons, 1991) pp 441-444, 455.

Inheritance diagram for cLCG32:
[legend]

Public Member Functions

virtual void initialize (int seedSet, int rngId, int numRngs, int parsimProcId, int parsimNumPartitions, cConfiguration *cfg) override
 
virtual void selfTest () override
 
virtual uint32_t intRand () override
 
virtual uint32_t intRandMax () override
 
virtual uint32_t intRand (uint32_t n) override
 
virtual double doubleRand () override
 
virtual double doubleRandNonz () override
 
virtual double doubleRandIncl1 () override
 
- Public Member Functions inherited from cRNG
virtual uint64_t getNumbersDrawn () const
 
double doubleRandNonzIncl1 ()
 
- Public Member Functions inherited from cObject
 cObject ()
 
 cObject (const cObject &other)=default
 
virtual ~cObject ()
 
virtual const char * getClassName () const
 
virtual const char * getName () const
 
bool isName (const char *s) const
 
virtual const char * getFullName () const
 
virtual std::string getFullPath () const
 
virtual std::string getClassAndFullName () const
 
virtual std::string getClassAndFullPath () const
 
const cObject * getThisPtr () const
 
virtual std::string str () const
 
virtual std::ostream & printOn (std::ostream &os) const
 
virtual cObject * dup () const
 
virtual void parsimPack (cCommBuffer *buffer) const
 
virtual void parsimUnpack (cCommBuffer *buffer)
 
virtual cObject * getOwner () const
 
virtual bool isOwnedObject () const
 
virtual bool isSoftOwner () const
 
virtual void forEachChild (cVisitor *v)
 
cObject * findObject (const char *name, bool deep=true)
 
virtual cClassDescriptor * getDescriptor () const
 
void copyNotSupported () const
 

Additional Inherited Members

- Protected Member Functions inherited from cObject
virtual void take (cOwnedObject *obj)
 
virtual void drop (cOwnedObject *obj)
 
void dropAndDelete (cOwnedObject *obj)
 

Member Function Documentation

◆ initialize()

virtual void initialize ( int  seedSet,
int  rngId,
int  numRngs,
int  parsimProcId,
int  parsimNumPartitions,
cConfiguration *  cfg 
)
overridevirtual

Sets up the RNG.

Implements cRNG.

◆ selfTest()

virtual void selfTest ( )
overridevirtual

Tests correctness of the RNG

Implements cRNG.

◆ intRand() [1/2]

virtual uint32_t intRand ( )
overridevirtual

Random integer in the range [0,intRandMax()]

Implements cRNG.

◆ intRandMax()

virtual uint32_t intRandMax ( )
overridevirtual

Maximum value that can be returned by intRand()

Implements cRNG.

◆ intRand() [2/2]

virtual uint32_t intRand ( uint32_t  n)
overridevirtual

Random integer in [0,n), n < intRandMax()

Implements cRNG.

◆ doubleRand()

virtual double doubleRand ( )
overridevirtual

Random double on the [0,1) interval

Implements cRNG.

◆ doubleRandNonz()

virtual double doubleRandNonz ( )
overridevirtual

Random double on the (0,1) interval

Implements cRNG.

◆ doubleRandIncl1()

virtual double doubleRandIncl1 ( )
overridevirtual

Random double on the [0,1] interval

Implements cRNG.

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