std::tr1::discard_block3
Detailed Description
template<class _UniformRandomNumberGenerator, int __p, int __r> class std::tr1::discard_block< _UniformRandomNumberGenerator, __p, __r >
Produces random numbers from some base engine by discarding blocks of data.
0 <= __r <= __p
Definition at line 1033 of file random.
Public Types
typedef _UniformRandomNumberGenerator base_type
typedef base_type::result_type result_type
Public Member Functions
const base_type & base () const
template<class _Gen> discard_block (_Gen &__g)
discard_block (unsigned long __s)
discard_block (const base_type &__rng)
discard_block ()
result_type max () const
result_type min () const
result_type operator() ()
template<class _Gen> void seed (_Gen &__g)
void seed ()
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)
Member Typedef Documentation
template<class _UniformRandomNumberGenerator, int __p, int __r> typedef _UniformRandomNumberGenerator std::tr1::discard_block< _UniformRandomNumberGenerator, __p, __r >::base_type
The type of the underlying generator engine.
Definition at line 1040 of file random.
template<class _UniformRandomNumberGenerator, int __p, int __r> typedef base_type::result_type std::tr1::discard_block< _UniformRandomNumberGenerator, __p, __r >::result_type
The type of the generated random value.
Definition at line 1042 of file random.
Constructor & Destructor Documentation
template<class _UniformRandomNumberGenerator, int __p, int __r> std::tr1::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 1053 of file random.
template<class _UniformRandomNumberGenerator, int __p, int __r> std::tr1::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 geenerator.
Parameters:
rng An existing (base class) engine object.
Definition at line 1063 of file random.
template<class _UniformRandomNumberGenerator, int __p, int __r> std::tr1::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 1073 of file random.
template<class _UniformRandomNumberGenerator, int __p, int __r> template<class _Gen> std::tr1::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 1082 of file random.
Member Function Documentation
template<class _UniformRandomNumberGenerator, int __p, int __r> const base_type& std::tr1::discard_block< _UniformRandomNumberGenerator, __p, __r >::base () const [inline]
Gets a const reference to the underlying generator engine object.
Definition at line 1111 of file random.
template<class _UniformRandomNumberGenerator, int __p, int __r> result_type std::tr1::discard_block< _UniformRandomNumberGenerator, __p, __r >::max () const [inline]
Gets the maximum value in the generated random number range.
Definition at line 1125 of file random.
template<class _UniformRandomNumberGenerator, int __p, int __r> result_type std::tr1::discard_block< _UniformRandomNumberGenerator, __p, __r >::min () const [inline]
Gets the minimum value in the generated random number range.
Definition at line 1118 of file random.
template<class _UniformRandomNumberGenerator, int __p, int __r> discard_block< _UniformRandomNumberGenerator, __p, __r >::result_type std::tr1::discard_block< _UniformRandomNumberGenerator, __p, __r >::operator() () [inline]
Gets the next value in the generated random number sequence.
Definition at line 587 of file random.tcc.
template<class _UniformRandomNumberGenerator, int __p, int __r> template<class _Gen> void std::tr1::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 1101 of file random.
template<class _UniformRandomNumberGenerator, int __p, int __r> void std::tr1::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 1089 of file random.