libstdc++
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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) |
Produces random numbers from some base engine by discarding blocks of data.
0 <= __r
<= __p
Definition at line 1078 of file tr1_impl/random.
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.
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.
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inline |
Constructs a default discard_block engine.
The underlying engine is default constructed as well.
Definition at line 1098 of file tr1_impl/random.
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inlineexplicit |
Copy constructs a discard_block engine.
Copies an existing base class random number generator.
rng | An existing (base class) engine object. |
Definition at line 1108 of file tr1_impl/random.
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inlineexplicit |
Seed constructs a discard_block engine.
Constructs the underlying generator engine seeded with __s
.
__s | A seed value for the base class engine. |
Definition at line 1118 of file tr1_impl/random.
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inline |
Generator construct a discard_block engine.
__g | A seed generator function. |
Definition at line 1127 of file tr1_impl/random.
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inline |
Gets a const reference to the underlying generator engine object.
Definition at line 1156 of file tr1_impl/random.
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inline |
Gets the maximum value in the generated random number range.
Definition at line 1170 of file tr1_impl/random.
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inline |
Gets the minimum value in the generated random number range.
Definition at line 1163 of file tr1_impl/random.
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.
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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.
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inline |
Reseeds the discard_block object with the given seed generator function.
__g | A seed generator function. |
Definition at line 1146 of file tr1_impl/random.
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friend |
Compares two discard_block random number generator objects of the same type for inequality.
__lhs | A discard_block random number generator object. |
__rhs | Another discard_block random number generator object. |
Definition at line 1204 of file tr1_impl/random.
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friend |
Inserts the current state of a discard_block random number generator engine __x
into the output stream __os
.
__os | An output stream. |
__x | A discard_block random number generator engine. |
__x
inserted or in an error state.
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friend |
Compares two discard_block random number generator objects of the same type for equality.
__lhs | A discard_block random number generator object. |
__rhs | Another discard_block random number generator object. |
Definition at line 1190 of file tr1_impl/random.
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friend |
Extracts the current state of a % subtract_with_carry random number generator engine __x
from the input stream __is
.
__is | An input stream. |
__x | A discard_block random number generator engine. |
__x
extracted or in an error state.