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std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >(3cxx) std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >(3cxx)

NAME

std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType > -

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 1010 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 1013 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 1026 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 1036 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 1046 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 1056 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 1069 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 1104 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 1125 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 1118 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 1111 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 731 of file random.tcc.
References std::__lg(), std::numeric_limits< _Tp >::max(), and std::numeric_limits< _Tp >::min().

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 1078 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 1086 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 1096 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 1150 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 1168 of file random.h.
 

Author

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Sun Jan 6 2013 libstdc++