| std::discard_block_engine< _RandomNumberEngine, __p, __r >(3cxx) | std::discard_block_engine< _RandomNumberEngine, __p, __r >(3cxx) |
NAME¶
std::discard_block_engine< _RandomNumberEngine, __p, __r > -SYNOPSIS¶
Public Types¶
typedef
Public Member Functions¶
discard_block_engine ()
Static Public Member Functions¶
static constexpr result_type max ()
Static Public Attributes¶
static constexpr size_t block_size
Friends¶
template<typename _RandomNumberEngine1 , size_t __p1, size_t __r1, typename _CharT , typename _Traits > std::basic_ostream< _CharT,
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 790 of file random.h.Member Typedef Documentation¶
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 793 of file random.h.Constructor & Destructor Documentation¶
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 808 of file random.h.template<typename _RandomNumberEngine, size_t __p, size_t __r> 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.
template<typename _RandomNumberEngine, size_t __p, size_t __r> 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.
template<typename _RandomNumberEngine, size_t __p, size_t __r> 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.
template<typename _RandomNumberEngine, size_t __p, size_t __r> template<typename _Sseq , typename = typename std::enable_if<!std::is_same<_Sseq, discard_block_engine>::value && !std::is_same<_Sseq, _RandomNumberEngine>::value> ::type> 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.
Member Function Documentation¶
template<typename _RandomNumberEngine, size_t __p, size_t __r> const _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 895 of file random.h.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 916 of file random.h.template<typename _RandomNumberEngine, size_t __p, size_t __r> static constexpr result_type std::discard_block_engine< _RandomNumberEngine, __p, __r >::max () [inline], [static]¶
Gets the maximum value in the generated random number range. Definition at line 909 of file random.h. References std::max().template<typename _RandomNumberEngine, size_t __p, size_t __r> static constexpr result_type std::discard_block_engine< _RandomNumberEngine, __p, __r >::min () [inline], [static]¶
Gets the minimum value in the generated random number range. Definition at line 902 of file random.h. References std::min().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 674 of file random.tcc.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 860 of file random.h.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 871 of file random.h.template<typename _RandomNumberEngine, size_t __p, size_t __r> template<typename _Sseq > void 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.
Friends And Related Function Documentation¶
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.
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.
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.
Author¶
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