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

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

Definition at line 79 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	SetSeed (uint64_t s)
	Initialize and seed the state of the generator.
void	Skip (uint64_t n)
	Skip n random numbers without generating them.

Private Member Functions
void	Advance ()
	Produce next block of random bits.

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 = 9 * 64

Member Function Documentation

Advance()

template<int w, int p>

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

inlineprivate

Produce next block of random bits.

Definition at line 90 of file RanluxppEngineImpl.cxx.

NextRandomBits()

template<int w, int p>

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

inline

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

Definition at line 101 of file RanluxppEngineImpl.cxx.

NextRandomFloat()

template<int w, int p>

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

inline

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

Definition at line 124 of file RanluxppEngineImpl.cxx.

SetSeed()

template<int w, int p>

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

inline

Initialize and seed the state of the generator.

Definition at line 132 of file RanluxppEngineImpl.cxx.

Skip()

template<int w, int p>

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

inline

Skip n random numbers without generating them.

Definition at line 153 of file RanluxppEngineImpl.cxx.

Member Data Documentation

fCarry

template<int w, int p>

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

private

Carry bit of the RANLUX state.

Definition at line 83 of file RanluxppEngineImpl.cxx.

fPosition

template<int w, int p>

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

private

Current position in bits.

Definition at line 84 of file RanluxppEngineImpl.cxx.

fState

template<int w, int p>

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

private

RANLUX state of the generator.

Definition at line 82 of file RanluxppEngineImpl.cxx.

kA

template<int w, int p>

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

staticconstexprprivate

Definition at line 86 of file RanluxppEngineImpl.cxx.

kMaxPos

template<int w, int p>

constexpr int ROOT::Math::RanluxppEngineImpl< w, p >::kMaxPos = 9 * 64

staticconstexprprivate

Definition at line 87 of file RanluxppEngineImpl.cxx.