Random Class Reference

#include <utils/random.h>

Public Member Functions
	Random (uint32_t seed)
	Constructor.
uint32_t	number ()
	Get the next (pseudo)random number.

Private Attributes
uint32_t	mt [N]
uint16_t	index

Static Private Attributes
static const uint32_t	N = 624
static const uint32_t	M = 397
static const uint32_t	R = 31
static const uint32_t	A = 0x9908B0DF
static const uint32_t	F = 1812433253
static const uint32_t	U = 11
static const uint32_t	S = 7
static const uint32_t	B = 0x9D2C5680
static const uint32_t	T = 15
static const uint32_t	C = 0xEFC60000
static const uint32_t	L = 18
static const uint32_t	MASK_LOWER = (1UL << R) - 1
static const uint32_t	MASK_UPPER = (1UL << R)

Detailed Description

Mersenne Twister (32 bit pseudorandom number generator)

See also

Wikipedia

Constructor & Destructor Documentation

Random()

Random::Random ( uint32_t  seed )

explicit

Constructor.

Parameters

seed	initial value (seed) for the pseudorandom number generator.

Member Function Documentation

number()

uint32_t Random::number

(

)

Get the next (pseudo)random number.

Returns

some number

Member Data Documentation

N

const uint32_t Random::N = 624

staticprivate

M

const uint32_t Random::M = 397

staticprivate

R

const uint32_t Random::R = 31

staticprivate

A

const uint32_t Random::A = 0x9908B0DF

staticprivate

F

const uint32_t Random::F = 1812433253

staticprivate

U

const uint32_t Random::U = 11

staticprivate

S

const uint32_t Random::S = 7

staticprivate

B

const uint32_t Random::B = 0x9D2C5680

staticprivate

T

const uint32_t Random::T = 15

staticprivate

C

const uint32_t Random::C = 0xEFC60000

staticprivate

L

const uint32_t Random::L = 18

staticprivate

MASK_LOWER

const uint32_t Random::MASK_LOWER = (1UL << R) - 1

staticprivate

MASK_UPPER

const uint32_t Random::MASK_UPPER = (1UL << R)

staticprivate

mt

uint32_t Random::mt[N]

private

index

uint16_t Random::index

private

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

• utils/random.h
• utils/random.cc