|
| template<typename _UIntType1 , _UIntType1 __a1, _UIntType1 __c1, _UIntType1 __m1, typename _CharT , typename _Traits > |
std::basic_ostream< _CharT,
_Traits > & | operator<< (std::basic_ostream< _CharT, _Traits > &__os, const std::linear_congruential_engine< _UIntType1, __a1, __c1, __m1 > &__lcr) |
| |
| bool | operator== (const linear_congruential_engine &__lhs, const linear_congruential_engine &__rhs) |
| |
| template<typename _UIntType1 , _UIntType1 __a1, _UIntType1 __c1, _UIntType1 __m1, typename _CharT , typename _Traits > |
std::basic_istream< _CharT,
_Traits > & | operator>> (std::basic_istream< _CharT, _Traits > &__is, std::linear_congruential_engine< _UIntType1, __a1, __c1, __m1 > &__lcr) |
| |
template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
class std::linear_congruential_engine< _UIntType, __a, __c, __m >
A model of a linear congruential random number generator.
A random number generator that produces pseudorandom numbers via linear function:
![\[ x_{i+1}\leftarrow(ax_{i} + c) \bmod m \]](form_0.png)
The template parameter _UIntType must be an unsigned integral type large enough to store values up to (__m-1). If the template parameter __m is 0, the modulus __m used is std::numeric_limits<_UIntType>::max() plus 1. Otherwise, the template parameters __a and __c must be less than __m.
The size of the state is 
.
Definition at line 241 of file random.h.
template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
template<typename _Sseq , typename = typename std::enable_if<!std::is_same<_Sseq, linear_congruential_engine>::value> ::type>
template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
Gets the smallest possible value in the output range.
The minimum depends on the __c parameter: if it is zero, the minimum generated must be > 0, otherwise 0 is allowed.
Definition at line 311 of file random.h.
template<typename _UIntType , _UIntType __a, _UIntType __c, _UIntType __m>
template<typename _UIntType , _UIntType __a, _UIntType __c, _UIntType __m>
template<typename _Sseq >
Reseeds the linear_congruential_engine random number generator engine sequence using values from the seed sequence __q.
- Parameters
-
Seeds the LCR engine with a value generated by __q.
Definition at line 136 of file bits/random.tcc.
References std::__arr, and std::__lg().
template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
template<typename _UIntType1 , _UIntType1 __a1, _UIntType1 __c1, _UIntType1 __m1, typename _CharT , typename _Traits >
Writes the textual representation of the state x(i) of x to __os.
- Parameters
-
| __os | The output stream. |
| __lcr | A % linear_congruential_engine random number generator. |
- Returns
- __os.
template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
template<typename _UIntType1 , _UIntType1 __a1, _UIntType1 __c1, _UIntType1 __m1, typename _CharT , typename _Traits >
Sets the state of the engine by reading its textual representation from __is.
The textual representation must have been previously written using an output stream whose imbued locale and whose type's template specialization arguments _CharT and _Traits were the same as those of __is.
- Parameters
-
| __is | The input stream. |
| __lcr | A % linear_congruential_engine random number generator. |
- Returns
- __is.
