NAME

       std::discard_block_engine< _RandomNumberEngine, __p, __r > -

SYNOPSIS

   Public Types
       typedef _RandomNumberEngine::result_type result_type

   Public Member Functions
       discard_block_engine ()
       discard_block_engine (const _RandomNumberEngine &__rng)
       discard_block_engine (_RandomNumberEngine &&__rng)
       discard_block_engine (result_type __s)
       template<typename _Sseq , typename  = typename std::enable_if<!std::is_same<_Sseq,
           discard_block_engine>::value                && !std::is_same<_Sseq,
           _RandomNumberEngine>::value> ::type> discard_block_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 ()

   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 846 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 849 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 864 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.

       Definition at line 874 of file random.h.

   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.

       Definition at line 884 of file random.h.

   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.

       Definition at line 894 of file random.h.

   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.

       Definition at line 907 of file random.h.

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 951 of file random.h.

       Referenced by std::shuffle_order_engine< _RandomNumberEngine, __k >::operator()().

   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 972 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 965 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 958 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 688 of file bits/random.tcc.

       References std::dec(), std::fixed(), std::ios_base::flags(), std::left(),
       std::independent_bits_engine< _RandomNumberEngine, __w, _UIntType >::operator()(),
       std::__detail::operator>>(), and std::skipws().

       Referenced by std::subtract_with_carry_engine< _UIntType, __w, __s, __r >::operator()().

   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 916 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 927 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.

       Definition at line 940 of file random.h.

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.

       Definition at line 996 of file random.h.

   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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libstdc++                        std::discard_block_engine< _RandomNumberEngine, __p, __r >(3cxx)