DDCRandom Class Reference

thread-safe pseudo-random number stream using drand48() & friends More...

#include <ddcRandom.h>

Public Member Functions
Constructors etc.
	DDCRandom (unsigned int seed=0)
	Constructor given state. More...
void	set_seed (unsigned int seed=0)
	set internal seed More...
	~DDCRandom (void)
	Default destructor. More...
API
double	random_d (void)
	returns a pseudo-random double in the range [0,1) More...
long	random_l (void)
	returns a pseudo-random long in the range [-2**31,2**31) More...
long	random_n (void)
	returns a pseudo-random unsigned long in the range [0,2**31) More...

Public Attributes
unsigned int	m_seed
	underlying random seed for POSIX.1 random numbers using rand_r() or srand()+rand() hack More...
unsigned short	m_state [3]
	underlying computation state (defaults to {m_seed,m_seed,m_seed}) for jrand48() & friends More...

Detailed Description

thread-safe pseudo-random number stream using drand48() & friends

Constructor & Destructor Documentation

DDCRandom()

DDCRandom::DDCRandom ( unsigned int  seed = 0 )

inline

Constructor given state.

~DDCRandom()

DDCRandom::~DDCRandom ( void  )

inline

Default destructor.

Member Function Documentation

set_seed()

void DDCRandom::set_seed ( unsigned int  seed = 0 )

inline

set internal seed

Referenced by CConcSession::WorkerClone().

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random_d()

double DDCRandom::random_d ( void  )

inline

returns a pseudo-random double in the range [0,1)

random_l()

long DDCRandom::random_l ( void  )

inline

returns a pseudo-random long in the range [-2**31,2**31)

Referenced by random_n().

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random_n()

long DDCRandom::random_n ( void  )

inline

returns a pseudo-random unsigned long in the range [0,2**31)

References random_l().

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Member Data Documentation

m_seed

unsigned int DDCRandom::m_seed

underlying random seed for POSIX.1 random numbers using rand_r() or srand()+rand() hack

m_state

unsigned short DDCRandom::m_state[3]

underlying computation state (defaults to {m_seed,m_seed,m_seed}) for jrand48() & friends

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

• ddcRandom.h