MTRand Class Reference

Public Types

• enum { N = 624 }
• enum { SAVE = N + 1 }
• typedef unsigned long uint32

Public Member Functions

• MTRand (const uint32 oneSeed)
• MTRand (uint32 *const bigSeed, uint32 const seedLength=N)
• MTRand ()
• MTRand (const MTRand &o)
• uint32 randInt ()
• uint32 randInt (const uint32 n)
• double rand ()
• double rand (const double n)
• double randExc ()
• double randExc (const double n)
• double randDblExc ()
• double randDblExc (const double n)
• double operator() ()
• double rand53 ()
• double randNorm (const double mean=0.0, const double stddev=1.0)
• double randPoisson (const double mean)
• void seed (const uint32 oneSeed)
• void seed (uint32 *const bigSeed, const uint32 seedLength=N)
• void seed ()
• void save (uint32 *saveArray) const
• void load (uint32 *const loadArray)
• MTRand & operator= (const MTRand &o)

Protected Types

• enum { M = 397 }

Protected Member Functions

• void initialize (const uint32 oneSeed)
• void reload ()
• uint32 hiBit (const uint32 u) const
• uint32 loBit (const uint32 u) const
• uint32 loBits (const uint32 u) const
• uint32 mixBits (const uint32 u, const uint32 v) const
• uint32 magic (const uint32 u) const
• uint32 twist (const uint32 m, const uint32 s0, const uint32 s1) const

Static Protected Member Functions

• static uint32 hash (time_t t, clock_t c)

Protected Attributes

• uint32 state [N]
• uint32 * pNext
• int left
• double sq_
• double alxm_
• double g_
• double oldm_

Friends

• std::ostream & operator<< (std::ostream &os, const MTRand &mtrand)
• std::istream & operator>> (std::istream &is, MTRand &mtrand)

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Member Typedef Documentation

typedef unsigned long MTRand::uint32

---

Member Enumeration Documentation

anonymous enum

Enumerator:

N

anonymous enum

Enumerator:

SAVE

anonymous enum [protected]

Enumerator:

M

---

Constructor & Destructor Documentation

MTRand::MTRand

(

const uint32

oneSeed

)

References oldm_, and seed().

MTRand::MTRand	(	uint32 *const	bigSeed,
		uint32 const	seedLength = N
	)

References oldm_, and seed().

MTRand::MTRand

(

)

References oldm_, and seed().

MTRand::MTRand

(

const MTRand &

o

)

References alxm_, g_, left, N, oldm_, pNext, sq_, and state.

---

Member Function Documentation

MTRand::uint32 MTRand::randInt

(

)

References left, pNext, and reload().

Referenced by AddCosmics(), rand(), rand53(), randDblExc(), randExc(), and randInt().

MTRand::uint32 MTRand::randInt

(

const uint32

n

)

References randInt().

double MTRand::rand

(

)

References randInt().

Referenced by Interrupt::check_now_(), main(), operator()(), rand(), randNorm(), and WeatherModel::weather_ok().

double MTRand::rand

(

const double

n

)

References rand().

double MTRand::randExc

(

)

References randInt().

Referenced by randExc(), and randPoisson().

double MTRand::randExc

(

const double

n

)

References randExc().

double MTRand::randDblExc

(

)

References randInt().

Referenced by randDblExc().

double MTRand::randDblExc

(

const double

n

)

References randDblExc().

double MTRand::operator()

(

)

References rand().

double MTRand::rand53

(

)

References a, b, and randInt().

double MTRand::randNorm	(	const double	mean = 0.0,
		const double	stddev = 1.0
	)

References rand().

Referenced by bootstrap_resample_wf(), WeatherModel::getLinTrans(), WeatherModel::getSeeing(), main(), and WeatherModel::weather_ok().

double MTRand::randPoisson

(

const double

mean

)

References alxm_, g_, oldm_, randExc(), and sq_.

Referenced by SourceSimulator::AddPoissonNoise(), and main().

void MTRand::seed

(

const uint32

oneSeed

)

References initialize(), and reload().

Referenced by main().

void MTRand::seed	(	uint32 *const	bigSeed,
		const uint32	seedLength = N
	)

References initialize(), N, reload(), and state.

void MTRand::seed

(

)

References hash(), and N.

Referenced by MTRand().

void MTRand::save

(

uint32 *

saveArray

)

const

References left, N, and state.

void MTRand::load

(

uint32 *const

loadArray

)

References left, N, pNext, and state.

MTRand & MTRand::operator=

(

const MTRand &

o

)

References left, N, pNext, and state.

void MTRand::initialize

(

const uint32

oneSeed

)

[protected]

References N, and state.

Referenced by seed().

void MTRand::reload

(

)

[protected]

References left, M, N, pNext, state, and twist().

Referenced by randInt(), and seed().

uint32 MTRand::hiBit

(

const uint32

u

)

const [inline, protected]

Referenced by mixBits().

uint32 MTRand::loBit

(

const uint32

u

)

const [inline, protected]

Referenced by magic().

uint32 MTRand::loBits

(

const uint32

u

)

const [inline, protected]

Referenced by mixBits().

uint32 MTRand::mixBits	(	const uint32	u,
		const uint32	v
	)			const [inline, protected]

References hiBit(), and loBits().

Referenced by twist().

uint32 MTRand::magic

(

const uint32

u

)

const [inline, protected]

References loBit().

Referenced by twist().

uint32 MTRand::twist	(	const uint32	m,
		const uint32	s0,
		const uint32	s1
	)			const [inline, protected]

References magic(), and mixBits().

Referenced by reload().

MTRand::uint32 MTRand::hash	(	time_t	t,
		clock_t	c
	)			[static, protected]

Referenced by seed().

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Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	os,
		const MTRand &	mtrand
	)			[friend]

std::istream& operator>>	(	std::istream &	is,
		MTRand &	mtrand
	)			[friend]

---

Field Documentation

uint32 MTRand::state[N] [protected]

Referenced by initialize(), load(), MTRand(), operator<<(), operator=(), operator>>(), reload(), save(), and seed().

uint32* MTRand::pNext [protected]

Referenced by load(), MTRand(), operator=(), operator>>(), randInt(), and reload().

int MTRand::left [protected]

Referenced by load(), MTRand(), operator<<(), operator=(), operator>>(), randInt(), reload(), and save().

double MTRand::sq_ [protected]

Referenced by MTRand(), and randPoisson().

double MTRand::alxm_ [protected]

Referenced by MTRand(), and randPoisson().

double MTRand::g_ [protected]

Referenced by MTRand(), and randPoisson().

double MTRand::oldm_ [protected]

Referenced by MTRand(), and randPoisson().