std::discard_block< _UniformRandomNumberGenerator, __p, __r >(3cxx) std::discard_block< _UniformRandomNumberGenerator, __p, __r >(3cxx)
NAME
std::discard_block< _UniformRandomNumberGenerator, __p, __r > -
SYNOPSIS
Public Types
typedef
_UniformRandomNumberGenerator base_type"
typedef base_type::result_type result_type
Public Member Functions
const base_type & base () const
discard_block ()
discard_block (const base_type &__rng)
discard_block (unsigned long __s)
template<class _Gen > discard_block (_Gen &__g)
result_type max () const
result_type min () const
result_type operator() ()
void seed ()
template<class _Gen > void seed (_Gen &__g)
Static Public Attributes
static const int block_size
static const int used_block
Friends
bool operator!= (const discard_block &__lhs, const discard_block &__rhs)
template<class _UniformRandomNumberGenerator1 , int __p1, int __r1, typename _CharT , typename _Traits > std::basic_ostream< _CharT,
_Traits > & operator<< (std::basic_ostream< _CharT, _Traits > &__os, const discard_block< _UniformRandomNumberGenerator1, __p1, __r1 >
&__x)"
bool operator== (const discard_block &__lhs, const discard_block &__rhs)
template<class _UniformRandomNumberGenerator1 , int __p1, int __r1, typename _CharT , typename _Traits > std::basic_istream< _CharT,
_Traits > & operator>> (std::basic_istream< _CharT, _Traits > &__is, discard_block< _UniformRandomNumberGenerator1, __p1, __r1 > &__x)"
Detailed Description
template<class _UniformRandomNumberGenerator, int __p, int __r>class std::discard_block< _UniformRandomNumberGenerator, __p, __r >
Produces random numbers from some base engine by discarding blocks of data.
0 <= __r <= __p
Definition at line 1078 of file tr1_impl/random.
Member Typedef Documentation
template<class _UniformRandomNumberGenerator, int __p, int __r> typedef _UniformRandomNumberGenerator std::discard_block<
_UniformRandomNumberGenerator, __p, __r >::base_type
The type of the underlying generator engine.
Definition at line 1085 of file tr1_impl/random.
template<class _UniformRandomNumberGenerator, int __p, int __r> typedef base_type::result_type std::discard_block<
_UniformRandomNumberGenerator, __p, __r >::result_type
The type of the generated random value.
Definition at line 1087 of file tr1_impl/random.
Constructor &; Destructor Documentation
template<class _UniformRandomNumberGenerator, int __p, int __r> std::discard_block< _UniformRandomNumberGenerator, __p, __r >::discard_block ()
[inline]
Constructs a default discard_block engine.
The underlying engine is default constructed as well.
Definition at line 1098 of file tr1_impl/random.
template<class _UniformRandomNumberGenerator, int __p, int __r> std::discard_block< _UniformRandomNumberGenerator, __p, __r >::discard_block
(const base_type &__rng) [inline], [explicit]
Copy constructs a discard_block engine.
Copies an existing base class random number generator.
Parameters:
rng An existing (base class) engine object.
Definition at line 1108 of file tr1_impl/random.
template<class _UniformRandomNumberGenerator, int __p, int __r> std::discard_block< _UniformRandomNumberGenerator, __p, __r >::discard_block
(unsigned long__s) [inline], [explicit]
Seed constructs a discard_block engine.
Constructs the underlying generator engine seeded with __s.
Parameters:
__s A seed value for the base class engine.
Definition at line 1118 of file tr1_impl/random.
template<class _UniformRandomNumberGenerator, int __p, int __r> template<class _Gen > std::discard_block< _UniformRandomNumberGenerator, __p,
__r >::discard_block (_Gen &__g) [inline]
Generator construct a discard_block engine.
Parameters:
__g A seed generator function.
Definition at line 1127 of file tr1_impl/random.
Member Function Documentation
template<class _UniformRandomNumberGenerator, int __p, int __r> const base_type& std::discard_block< _UniformRandomNumberGenerator, __p, __r
>::base () const [inline]
Gets a const reference to the underlying generator engine object.
Definition at line 1156 of file tr1_impl/random.
template<class _UniformRandomNumberGenerator, int __p, int __r> result_type std::discard_block< _UniformRandomNumberGenerator, __p, __r >::max
() const [inline]
Gets the maximum value in the generated random number range.
Definition at line 1170 of file tr1_impl/random.
template<class _UniformRandomNumberGenerator, int __p, int __r> result_type std::discard_block< _UniformRandomNumberGenerator, __p, __r >::min
() const [inline]
Gets the minimum value in the generated random number range.
Definition at line 1163 of file tr1_impl/random.
template<class _UniformRandomNumberGenerator , int __p, int __r> discard_block< _UniformRandomNumberGenerator, __p, __r >::result_type
std::discard_block< _UniformRandomNumberGenerator, __p, __r >::operator() ()
Gets the next value in the generated random number sequence.
Definition at line 583 of file random.tcc.
template<class _UniformRandomNumberGenerator, int __p, int __r> void std::discard_block< _UniformRandomNumberGenerator, __p, __r >::seed ()
[inline]
Reseeds the discard_block object with the default seed for the underlying base class generator engine.
Definition at line 1134 of file tr1_impl/random.
template<class _UniformRandomNumberGenerator, int __p, int __r> template<class _Gen > void std::discard_block< _UniformRandomNumberGenerator,
__p, __r >::seed (_Gen &__g) [inline]
Reseeds the discard_block object with the given seed generator function.
Parameters:
__g A seed generator function.
Definition at line 1146 of file tr1_impl/random.
Friends And Related Function Documentation
template<class _UniformRandomNumberGenerator, int __p, int __r> bool operator!= (const discard_block< _UniformRandomNumberGenerator, __p, __r >
&__lhs, const discard_block< _UniformRandomNumberGenerator, __p, __r > &__rhs) [friend]
Compares two discard_block random number generator objects of the same type for inequality.
Parameters:
__lhs A discard_block random number generator object.
__rhs Another discard_block random number generator object.
Returns:
true if the two objects are not equal, false otherwise.
Definition at line 1204 of file tr1_impl/random.
template<class _UniformRandomNumberGenerator, int __p, int __r> template<class _UniformRandomNumberGenerator1 , int __p1, int __r1, typename
_CharT , typename _Traits > std::basic_ostream<_CharT, _Traits>& operator<< (std::basic_ostream< _CharT, _Traits > &__os, const
discard_block< _UniformRandomNumberGenerator1, __p1, __r1 > &__x) [friend]
Inserts the current state of a discard_block random number generator engine __x into the output stream __os.
Parameters:
__os An output stream.
__x A discard_block random number generator engine.
Returns:
The output stream with the state of __x inserted or in an error state.
template<class _UniformRandomNumberGenerator, int __p, int __r> bool operator== (const discard_block< _UniformRandomNumberGenerator, __p, __r >
&__lhs, const discard_block< _UniformRandomNumberGenerator, __p, __r > &__rhs) [friend]
Compares two discard_block random number generator objects of the same type for equality.
Parameters:
__lhs A discard_block random number generator object.
__rhs Another discard_block random number generator object.
Returns:
true if the two objects are equal, false otherwise.
Definition at line 1190 of file tr1_impl/random.
template<class _UniformRandomNumberGenerator, int __p, int __r> template<class _UniformRandomNumberGenerator1 , int __p1, int __r1, typename
_CharT , typename _Traits > std::basic_istream<_CharT, _Traits>& operator>> (std::basic_istream< _CharT, _Traits > &__is, discard_block<
_UniformRandomNumberGenerator1, __p1, __r1 > &__x) [friend]
Extracts the current state of a % subtract_with_carry random number generator engine __x from the input stream __is.
Parameters:
__is An input stream.
__x A discard_block 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++ Thu Aug 2 201std::discard_block< _UniformRandomNumberGenerator, __p, __r >(3cxx)