ROOT::Math::RanluxppEngineImpl< w, p, u > Class Template Reference

template<int w, int p, int u>
class ROOT::Math::RanluxppEngineImpl< w, p, u >

Definition at line 149 of file RanluxppEngineImpl.cxx.

Public Member Functions
uint64_t	NextRandomBits ()
	Return the next random bits, generate a new block if necessary.
double	NextRandomFloat ()
	Return a floating point number, converted from the next random bits.
void	SetSeedGsl (uint32_t s, bool ranlxd)
	Initialize and seed the state of the generator as in gsl_rng_ranlx*.
void	SetSeedJames (uint64_t s)
	Initialize and seed the state of the generator as in James' implementation.
void	SetSeedSibidanov (uint64_t s)
	Initialize and seed the state of the generator as proposed by Sibidanov.
void	SetSeedStd24 (uint64_t s)
	Initialize and seed the state of the generator as described by the C++ standard.
void	SetSeedStd48 (uint64_t s)
	Initialize and seed the state of the generator as described by the C++ standard.
void	Skip (uint64_t n)
	Skip n random numbers without generating them.

Private Member Functions
void	Advance ()
	Produce next block of random bits.
void	Advance (const uint64_t *a)
	Advance with given multiplier.
void	Skip24 ()
	Skip 24 RANLUX numbers.

Private Attributes
unsigned	fCarry
	Carry bit of the RANLUX state.
int	fPosition = 0
	Current position in bits.
uint64_t	fState [9]
	RANLUX state of the generator.

Static Private Attributes
static constexpr const uint64_t *	kA = RanluxppData<p>::kA
static constexpr int	kMaxPos = (u == 0) ? 9 * 64 : u * w

Friends
class	RanluxppCompatEngineLuescherImpl< w, p >

Member Function Documentation

Advance() [1/2]

template<int w, int p, int u>

void ROOT::Math::RanluxppEngineImpl< w, p, u >::Advance ( )

inlineprivate

Produce next block of random bits.

Definition at line 173 of file RanluxppEngineImpl.cxx.

Advance() [2/2]

template<int w, int p, int u>

void ROOT::Math::RanluxppEngineImpl< w, p, u >::Advance ( const uint64_t *  a )

inlineprivate

Advance with given multiplier.

Definition at line 163 of file RanluxppEngineImpl.cxx.

NextRandomBits()

template<int w, int p, int u>

uint64_t ROOT::Math::RanluxppEngineImpl< w, p, u >::NextRandomBits ( )

inline

Return the next random bits, generate a new block if necessary.

Definition at line 186 of file RanluxppEngineImpl.cxx.

NextRandomFloat()

template<int w, int p, int u>

double ROOT::Math::RanluxppEngineImpl< w, p, u >::NextRandomFloat ( )

inline

Return a floating point number, converted from the next random bits.

Definition at line 209 of file RanluxppEngineImpl.cxx.

SetSeedGsl()

template<int w, int p, int u>

void ROOT::Math::RanluxppEngineImpl< w, p, u >::SetSeedGsl ( uint32_t  s, bool  ranlxd  )

inline

Initialize and seed the state of the generator as in gsl_rng_ranlx*.

Definition at line 249 of file RanluxppEngineImpl.cxx.

SetSeedJames()

template<int w, int p, int u>

void ROOT::Math::RanluxppEngineImpl< w, p, u >::SetSeedJames ( uint64_t  s )

inline

Initialize and seed the state of the generator as in James' implementation.

Definition at line 217 of file RanluxppEngineImpl.cxx.

SetSeedSibidanov()

template<int w, int p, int u>

void ROOT::Math::RanluxppEngineImpl< w, p, u >::SetSeedSibidanov ( uint64_t  s )

inline

Initialize and seed the state of the generator as proposed by Sibidanov.

Definition at line 293 of file RanluxppEngineImpl.cxx.

SetSeedStd24()

template<int w, int p, int u>

void ROOT::Math::RanluxppEngineImpl< w, p, u >::SetSeedStd24 ( uint64_t  s )

inline

Initialize and seed the state of the generator as described by the C++ standard.

Definition at line 314 of file RanluxppEngineImpl.cxx.

SetSeedStd48()

template<int w, int p, int u>

void ROOT::Math::RanluxppEngineImpl< w, p, u >::SetSeedStd48 ( uint64_t  s )

inline

Initialize and seed the state of the generator as described by the C++ standard.

Definition at line 340 of file RanluxppEngineImpl.cxx.

Skip()

template<int w, int p, int u>

void ROOT::Math::RanluxppEngineImpl< w, p, u >::Skip ( uint64_t  n )

inline

Skip n random numbers without generating them.

Definition at line 369 of file RanluxppEngineImpl.cxx.

Skip24()

template<int w, int p, int u>

void ROOT::Math::RanluxppEngineImpl< w, p, u >::Skip24 ( )

inlineprivate

Skip 24 RANLUX numbers.

Definition at line 179 of file RanluxppEngineImpl.cxx.

Friends And Related Symbol Documentation

RanluxppCompatEngineLuescherImpl< w, p >

template<int w, int p, int u>

friend class RanluxppCompatEngineLuescherImpl< w, p >

friend

Definition at line 809 of file RanluxppEngineImpl.cxx.

Member Data Documentation

fCarry

template<int w, int p, int u>

unsigned ROOT::Math::RanluxppEngineImpl< w, p, u >::fCarry

private

Carry bit of the RANLUX state.

Definition at line 155 of file RanluxppEngineImpl.cxx.

fPosition

template<int w, int p, int u>

int ROOT::Math::RanluxppEngineImpl< w, p, u >::fPosition = 0

private

Current position in bits.

Definition at line 156 of file RanluxppEngineImpl.cxx.

fState

template<int w, int p, int u>

uint64_t ROOT::Math::RanluxppEngineImpl< w, p, u >::fState[9]

private

RANLUX state of the generator.

Definition at line 154 of file RanluxppEngineImpl.cxx.

kA

template<int w, int p, int u>

constexpr const uint64_t* ROOT::Math::RanluxppEngineImpl< w, p, u >::kA = RanluxppData<p>::kA

staticconstexprprivate

Definition at line 158 of file RanluxppEngineImpl.cxx.

kMaxPos

template<int w, int p, int u>

constexpr int ROOT::Math::RanluxppEngineImpl< w, p, u >::kMaxPos = (u == 0) ? 9 * 64 : u * w

staticconstexprprivate

Definition at line 159 of file RanluxppEngineImpl.cxx.