SYNOPSIS

Public Types

typedef _UIntType result_type

Public Member Functions

independent_bits_engine ()

independent_bits_engine (const _RandomNumberEngine &__rng)

independent_bits_engine (_RandomNumberEngine &&__rng)

independent_bits_engine (result_type __s)

template<typename _Sseq , typename = typename std::enable_if<!std::is_same<_Sseq, independent_bits_engine>::value && !std::is_same<_Sseq, _RandomNumberEngine>::value> ::type> independent_bits_engine (_Sseq &__q)

const _RandomNumberEngine & base () const noexcept

void discard (unsigned long long __z)

result_type operator() ()

void seed ()

void seed (result_type __s)

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

Static Public Member Functions

static constexpr result_type max ()

static constexpr result_type min ()

Friends

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

template<typename _CharT , typename _Traits > std::basic_istream< _CharT, _Traits > & operator>> (std::basic_istream< _CharT, _Traits > &__is, std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType > &__x)

Detailed Description

template<typename _RandomNumberEngine, size_t __w, typename _UIntType>

class std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >" Produces random numbers by combining random numbers from some base engine to produce random numbers with a specifies number of bits __w.

Definition at line 1066 of file random.h.

Member Typedef Documentation

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> typedef _UIntType std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::result_type

The type of the generated random value.

Definition at line 1069 of file random.h.

Constructor & Destructor Documentation

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::independent_bits_engine () [inline]

Constructs a default independent_bits_engine engine. The underlying engine is default constructed as well.

Definition at line 1082 of file random.h.

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::independent_bits_engine (const _RandomNumberEngine & __rng) [inline], [explicit]

Copy constructs a independent_bits_engine engine. Copies an existing base class random number generator.

Parameters:

__rng An existing (base class) engine object.

Definition at line 1092 of file random.h.

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::independent_bits_engine (_RandomNumberEngine && __rng) [inline], [explicit]

Move constructs a independent_bits_engine engine. Copies an existing base class random number generator.

Parameters:

__rng An existing (base class) engine object.

Definition at line 1102 of file random.h.

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::independent_bits_engine (result_type __s) [inline], [explicit]

Seed constructs a independent_bits_engine engine. Constructs the underlying generator engine seeded with __s.

Parameters:

__s A seed value for the base class engine.

Definition at line 1112 of file random.h.

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> template<typename _Sseq , typename = typename std::enable_if<!std::is_same<_Sseq, independent_bits_engine>::value && !std::is_same<_Sseq, _RandomNumberEngine>::value> ::type> std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::independent_bits_engine (_Sseq & __q) [inline], [explicit]

Generator construct a independent_bits_engine engine.

Parameters:

__q A seed sequence.

Definition at line 1125 of file random.h.

Member Function Documentation

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> const _RandomNumberEngine& std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::base () const [inline], [noexcept]

Gets a const reference to the underlying generator engine object.

Definition at line 1160 of file random.h.

Referenced by std::operator<<().

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> void std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::discard (unsigned long long __z) [inline]

Discard a sequence of random numbers.

Definition at line 1181 of file random.h.

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> static constexpr result_type std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::max () [inline], [static]

Gets the maximum value in the generated random number range.

Definition at line 1174 of file random.h.

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> static constexpr result_type std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::min () [inline], [static]

Gets the minimum value in the generated random number range.

Definition at line 1167 of file random.h.

template<typename _RandomNumberEngine , size_t __w, typename _UIntType > independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::result_type std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::operator() ()

Gets the next value in the generated random number sequence.

Definition at line 745 of file bits/random.tcc.

References std::__lg(), std::numeric_limits< _Tp >::max(), std::numeric_limits< _Tp >::min(), and std::shuffle_order_engine< _RandomNumberEngine, __k >::operator()().

Referenced by std::discard_block_engine< _RandomNumberEngine, __p, __r >::operator()().

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> void std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::seed () [inline]

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

Definition at line 1134 of file random.h.

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> void std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::seed (result_type __s) [inline]

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

Definition at line 1142 of file random.h.

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> template<typename _Sseq > void std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::seed (_Sseq & __q) [inline]

Reseeds the independent_bits_engine object with the given seed sequence.

Parameters:

__q A seed generator function.

Definition at line 1152 of file random.h.

Friends And Related Function Documentation

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> bool operator== (const independent_bits_engine< _RandomNumberEngine, __w, _UIntType > & __lhs, const independent_bits_engine< _RandomNumberEngine, __w, _UIntType > & __rhs) [friend]

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

Parameters:

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

Returns:

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

Definition at line 1206 of file random.h.

template<typename _RandomNumberEngine, size_t __w, typename _UIntType> template<typename _CharT , typename _Traits > std::basic_istream<_CharT, _Traits>& operator>> (std::basic_istream< _CharT, _Traits > & __is, std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType > & __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 independent_bits_engine random number generator engine.

Returns:

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

Definition at line 1224 of file random.h.

Author

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