Manpages - std_discard_block_engine.3

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

discard_block_engine ()
Constructs a default discard_block_engine engine.

discard_block_engine (_RandomNumberEngine &&__rng)
Move constructs a discard_block_engine engine.

template<typename _Sseq , typename = _If_seed_seq<_Sseq>> discard_block_engine (_Sseq &__q)
Generator construct a discard_block_engine engine.

discard_block_engine (const _RandomNumberEngine &__rng)
Copy constructs a discard_block_engine engine.

discard_block_engine (result_type __s)
Seed constructs a discard_block_engine engine.

const _RandomNumberEngine & base () const noexcept
Gets a const reference to the underlying generator engine object.

void discard (unsigned long long __z)
Discard a sequence of random numbers.

result_type operator() ()
Gets the next value in the generated random number sequence.

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

template<typename _Sseq > _If_seed_seq< _Sseq > seed (_Sseq &__q)
Reseeds the discard_block_engine object with the given seed sequence.

void seed (result_type __s)
Reseeds the discard_block_engine object with the default seed for the underlying base class generator engine.

static constexpr result_type max ()
Gets the maximum value in the generated random number range.

static constexpr result_type min ()
Gets the minimum value in the generated random number range.

static constexpr size_t block_size

static constexpr size_t used_block

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

bool operator== (const discard_block_engine &__lhs, const discard_block_engine &__rhs)
Compares two discard_block_engine random number generator objects of the same type for equality.

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

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.

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.

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.

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.

std::discard_block_engine*< _RandomNumberEngine, __p, __r >::*discard_block_engine (const _RandomNumberEngine & __rng)= [inline]=, = [explicit]= 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.

std::discard_block_engine*< _RandomNumberEngine, __p, __r >::*discard_block_engine (_RandomNumberEngine && __rng)= [inline]=, = [explicit]= 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.

std::discard_block_engine*< _RandomNumberEngine, __p, __r >::*discard_block_engine (result_type __s)= [inline]=, = [explicit]= 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.

template<typename _Sseq , typename = _If_seed_seq<_Sseq>> std::discard_block_engine*< _RandomNumberEngine, __p, __r >::*discard_block_engine (_Sseq & __q)= [inline]=, = [explicit]= Generator construct a discard_block_engine engine.

Parameters

__q A seed sequence.

Definition at line 946 of file random.h.

_RandomNumberEngine & *std::discard_block_engine*< _RandomNumberEngine, __p, __r >::base () const= [inline]=, = [noexcept]= Gets a const reference to the underlying generator engine object.

Definition at line 990 of file random.h.

*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.

static constexpr result_type *std::discard_block_engine*< _RandomNumberEngine, __p, __r >::max ()= [inline]=, = [static]=, = [constexpr]= Gets the maximum value in the generated random number range.

Definition at line 1004 of file random.h.

References std::max().

static constexpr result_type *std::discard_block_engine*< _RandomNumberEngine, __p, __r >::min ()= [inline]=, = [static]=, = [constexpr]= Gets the minimum value in the generated random number range.

Definition at line 997 of file random.h.

References std::min().

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.

*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.

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.

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.

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== (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.

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.

constexpr size_t std::discard_block_engine*< _RandomNumberEngine, __p, __r >::block_size= [static]=, = [constexpr]= Definition at line *898 of file random.h.

constexpr size_t std::discard_block_engine*< _RandomNumberEngine, __p, __r >::used_block= [static]=, = [constexpr]= Definition at line *899 of file random.h.