#include <random.h>

Public Types
template<typename _Sseq >
using	_If_seed_seq = typename enable_if< __detail::__is_seed_seq< _Sseq, discard_block_engine, result_type >::value >::type

typedef _RandomNumberEngine::result_type	result_type

Public Member Functions
	discard_block_engine ()

	discard_block_engine (_RandomNumberEngine &&__rng)

template<typename _Sseq , typename = _If_seed_seq<_Sseq>>
	discard_block_engine (_Sseq &__q)

	discard_block_engine (const _RandomNumberEngine &__rng)

	discard_block_engine (result_type __s)

const _RandomNumberEngine &	base () const noexcept

void	discard (unsigned long long __z)

result_type	operator() ()

void	seed ()

template<typename _Sseq >
_If_seed_seq< _Sseq >	seed (_Sseq &__q)

void	seed (result_type __s)

Static Public Member Functions
static constexpr result_type	max ()

static constexpr result_type	min ()

Static Public Attributes
static constexpr size_t	block_size

static constexpr size_t	used_block

Friends
template<typename _RandomNumberEngine1 , size_t __p1, size_t __r1, typename _CharT , typename _Traits >
std::basic_ostream< _CharT, _Traits > &	operator<< (std::basic_ostream< _CharT, _Traits > &__os, const std::discard_block_engine< _RandomNumberEngine1, __p1, __r1 > &__x)

bool	operator== (const discard_block_engine &__lhs, const discard_block_engine &__rhs)

template<typename _RandomNumberEngine1 , size_t __p1, size_t __r1, typename _CharT , typename _Traits >
std::basic_istream< _CharT, _Traits > &	operator>> (std::basic_istream< _CharT, _Traits > &__is, std::discard_block_engine< _RandomNumberEngine1, __p1, __r1 > &__x)

Detailed Description

template<typename _RandomNumberEngine, size_t __p, size_t __r>
class std::discard_block_engine< _RandomNumberEngine, __p, __r >

Produces random numbers from some base engine by discarding blocks of data.

0 <= __r <= __p

Definition at line 884 of file random.h.

Member Typedef Documentation

◆ _If_seed_seq

template<typename _RandomNumberEngine , size_t __p, size_t __r>

template<typename _Sseq >

using std::discard_block_engine< _RandomNumberEngine, __p, __r >::_If_seed_seq = typename enable_if<__detail::__is_seed_seq< _Sseq, discard_block_engine, result_type>::value>::type

Definition at line 894 of file random.h.

◆ result_type

template<typename _RandomNumberEngine , size_t __p, size_t __r>

typedef _RandomNumberEngine::result_type std::discard_block_engine< _RandomNumberEngine, __p, __r >::result_type

The type of the generated random value.

Definition at line 891 of file random.h.

Constructor & Destructor Documentation

◆ discard_block_engine() [1/5]

template<typename _RandomNumberEngine , size_t __p, size_t __r>

std::discard_block_engine< _RandomNumberEngine, __p, __r >::discard_block_engine ( )

inline

Constructs a default discard_block_engine engine.

The underlying engine is default constructed as well.

Definition at line 906 of file random.h.

◆ discard_block_engine() [2/5]

template<typename _RandomNumberEngine , size_t __p, size_t __r>

std::discard_block_engine< _RandomNumberEngine, __p, __r >::discard_block_engine ( const _RandomNumberEngine & __rng )

inlineexplicit

Copy constructs a discard_block_engine engine.

Copies an existing base class random number generator.

Parameters

__rng An existing (base class) engine object.

Definition at line 916 of file random.h.

◆ discard_block_engine() [3/5]

template<typename _RandomNumberEngine , size_t __p, size_t __r>

std::discard_block_engine< _RandomNumberEngine, __p, __r >::discard_block_engine ( _RandomNumberEngine && __rng )

inlineexplicit

Move constructs a discard_block_engine engine.

Copies an existing base class random number generator.

Parameters

__rng An existing (base class) engine object.

Definition at line 926 of file random.h.

◆ discard_block_engine() [4/5]

template<typename _RandomNumberEngine , size_t __p, size_t __r>

std::discard_block_engine< _RandomNumberEngine, __p, __r >::discard_block_engine ( result_type __s )

inlineexplicit

Seed constructs a discard_block_engine engine.

Constructs the underlying generator engine seeded with __s.

Parameters

__s	A seed value for the base class engine.

Definition at line 936 of file random.h.

◆ discard_block_engine() [5/5]

template<typename _RandomNumberEngine , size_t __p, size_t __r>

template<typename _Sseq , typename = _If_seed_seq<_Sseq>>

std::discard_block_engine< _RandomNumberEngine, __p, __r >::discard_block_engine ( _Sseq & __q )

inlineexplicit

Generator construct a discard_block_engine engine.

Parameters

__q	A seed sequence.

Definition at line 946 of file random.h.

Member Function Documentation

◆ base()

template<typename _RandomNumberEngine , size_t __p, size_t __r>

const _RandomNumberEngine & std::discard_block_engine< _RandomNumberEngine, __p, __r >::base ( ) const

inlinenoexcept

Gets a const reference to the underlying generator engine object.

Definition at line 990 of file random.h.

◆ discard()

template<typename _RandomNumberEngine , size_t __p, size_t __r>

void std::discard_block_engine< _RandomNumberEngine, __p, __r >::discard ( unsigned long long __z )

inline

Discard a sequence of random numbers.

Definition at line 1011 of file random.h.

◆ max()

template<typename _RandomNumberEngine , size_t __p, size_t __r>

static constexpr result_type std::discard_block_engine< _RandomNumberEngine, __p, __r >::max ( )

inlinestaticconstexpr

Gets the maximum value in the generated random number range.

Definition at line 1004 of file random.h.

◆ min()

template<typename _RandomNumberEngine , size_t __p, size_t __r>

static constexpr result_type std::discard_block_engine< _RandomNumberEngine, __p, __r >::min ( )

inlinestaticconstexpr

Gets the minimum value in the generated random number range.

Definition at line 997 of file random.h.

◆ operator()()

template<typename _RandomNumberEngine , size_t __p, size_t __r>

discard_block_engine< _RandomNumberEngine, __p, __r >::result_type std::discard_block_engine< _RandomNumberEngine, __p, __r >::operator()

Gets the next value in the generated random number sequence.

Definition at line 681 of file bits/random.tcc.

◆ seed() [1/3]

template<typename _RandomNumberEngine , size_t __p, size_t __r>

void std::discard_block_engine< _RandomNumberEngine, __p, __r >::seed ( )

inline

Reseeds the discard_block_engine object with the default seed for the underlying base class generator engine.

Definition at line 955 of file random.h.

◆ seed() [2/3]

template<typename _RandomNumberEngine , size_t __p, size_t __r>

template<typename _Sseq >

_If_seed_seq< _Sseq > std::discard_block_engine< _RandomNumberEngine, __p, __r >::seed ( _Sseq & __q )

inline

Reseeds the discard_block_engine object with the given seed sequence.

Parameters

__q	A seed generator function.

Definition at line 979 of file random.h.

◆ seed() [3/3]

template<typename _RandomNumberEngine , size_t __p, size_t __r>

void std::discard_block_engine< _RandomNumberEngine, __p, __r >::seed ( result_type __s )

inline

Reseeds the discard_block_engine object with the default seed for the underlying base class generator engine.

Definition at line 966 of file random.h.

Friends And Related Symbol Documentation

◆ operator<<

template<typename _RandomNumberEngine , size_t __p, size_t __r>

template<typename _RandomNumberEngine1 , size_t __p1, size_t __r1, typename _CharT , typename _Traits >

std::basic_ostream< _CharT, _Traits > & operator<<	(	std::basic_ostream< _CharT, _Traits > &	__os,
		const std::discard_block_engine< _RandomNumberEngine1, __p1, __r1 > &	__x
	)

friend

Inserts the current state of a discard_block_engine random number generator engine __x into the output stream __os.

Parameters

__os	An output stream.
__x	A discard_block_engine random number generator engine.

Returns: The output stream with the state of __x inserted or in an error state.

◆ operator==

template<typename _RandomNumberEngine , size_t __p, size_t __r>

bool operator==	(	const discard_block_engine< _RandomNumberEngine, __p, __r > &	__lhs,
		const discard_block_engine< _RandomNumberEngine, __p, __r > &	__rhs
	)

friend

Compares two discard_block_engine random number generator objects of the same type for equality.

Parameters

__lhs	A discard_block_engine random number generator object.
__rhs	Another discard_block_engine random number generator object.

Returns: true if the infinite sequences of generated values would be equal, false otherwise.

Definition at line 1035 of file random.h.

◆ operator>>

template<typename _RandomNumberEngine , size_t __p, size_t __r>

template<typename _RandomNumberEngine1 , size_t __p1, size_t __r1, typename _CharT , typename _Traits >

std::basic_istream< _CharT, _Traits > & operator>>	(	std::basic_istream< _CharT, _Traits > &	__is,
		std::discard_block_engine< _RandomNumberEngine1, __p1, __r1 > &	__x
	)

friend

Extracts the current state of a % subtract_with_carry_engine random number generator engine __x from the input stream __is.

Parameters

__is	An input stream.
__x	A discard_block_engine random number generator engine.

Returns: The input stream with the state of __x extracted or in an error state.

Member Data Documentation

◆ block_size

template<typename _RandomNumberEngine , size_t __p, size_t __r>

constexpr size_t std::discard_block_engine< _RandomNumberEngine, __p, __r >::block_size

staticconstexpr

Definition at line 898 of file random.h.

◆ used_block

template<typename _RandomNumberEngine , size_t __p, size_t __r>

constexpr size_t std::discard_block_engine< _RandomNumberEngine, __p, __r >::used_block

staticconstexpr

Definition at line 899 of file random.h.

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

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Friends

Detailed Description

Member Typedef Documentation

◆ _If_seed_seq

◆ result_type

Constructor & Destructor Documentation

◆ discard_block_engine() [1/5]

◆ discard_block_engine() [2/5]

◆ discard_block_engine() [3/5]

◆ discard_block_engine() [4/5]

◆ discard_block_engine() [5/5]

Member Function Documentation

◆ base()

◆ discard()

◆ max()

◆ min()

◆ operator()()

◆ seed() [1/3]

◆ seed() [2/3]

◆ seed() [3/3]

Friends And Related Symbol Documentation

◆ operator<<

◆ operator==

◆ operator>>

Member Data Documentation

◆ block_size

◆ used_block