rack::random Namespace Reference

Random number generation. More...

Classes
struct	Xoroshiro128Plus
	xoroshiro128+. More...

Functions
void	init ()
Xoroshiro128Plus &	local ()
	Returns the generator.
template<typename T >
T	get ()
template<>
uint32_t	get ()
template<>
uint16_t	get ()
template<>
uint8_t	get ()
template<>
bool	get ()
template<>
float	get ()
template<>
double	get ()
uint64_t	u64 ()
	Returns a uniform random uint64_t from 0 to UINT64_MAX.
uint32_t	u32 ()
	Returns a uniform random uint32_t from 0 to UINT32_MAX.
float	uniform ()
	Returns a uniform random float in the interval [0.0, 1.0)
float	normal ()
	Returns a normal random number with mean 0 and standard deviation 1.
void	buffer (uint8_t *out, size_t len)
	Fills an array with random bytes.
std::vector< uint8_t >	vector (size_t len)
	Creates a vector of random bytes.

Detailed Description

Random number generation.

Function Documentation

init()

void rack::random::init

(

)

local()

Xoroshiro128Plus & rack::random::local

(

)

Returns the generator.

Named "local" because the generator was thread-local in previous versions.

get() [1/7]

template<typename T >

T rack::random::get

(

)

get() [2/7]

template<>

uint32_t rack::random::get ( )

inline

get() [3/7]

template<>

uint16_t rack::random::get ( )

inline

get() [4/7]

template<>

uint8_t rack::random::get ( )

inline

get() [5/7]

template<>

bool rack::random::get ( )

inline

get() [6/7]

template<>

float rack::random::get ( )

inline

get() [7/7]

template<>

double rack::random::get ( )

inline

u64()

uint64_t rack::random::u64 ( )

inline

Returns a uniform random uint64_t from 0 to UINT64_MAX.

u32()

uint32_t rack::random::u32 ( )

inline

Returns a uniform random uint32_t from 0 to UINT32_MAX.

uniform()

float rack::random::uniform ( )

inline

Returns a uniform random float in the interval [0.0, 1.0)

normal()

float rack::random::normal ( )

inline

Returns a normal random number with mean 0 and standard deviation 1.

buffer()

void rack::random::buffer ( uint8_t * out, size_t len )

inline

Fills an array with random bytes.

vector()

std::vector< uint8_t > rack::random::vector ( size_t len )

inline

Creates a vector of random bytes.