| Defined in header <random> | ||
|---|---|---|
template<
class UIntType,
size_t w, size_t s, size_t r
> class subtract_with_carry_engine; | (since C++11) |
subtract_with_carry_engine is a random number engine that uses subtract with carry algorithm.
The following typedefs define the random number engine with two commonly used parameter sets:
| Defined in header <random> | |
|---|---|
| Type | Definition |
ranlux24_base | std::subtract_with_carry_engine<std::uint_fast32_t, 24, 10, 24> |
ranlux48_base | std::subtract_with_carry_engine<std::uint_fast64_t, 48, 5, 12> |
Member types
| Member type | Definition |
|---|---|
result_type | The integral type generated by the engine. Results are undefined if this is not an unsigned integral type. |
Member functions
Construction and Seeding | |
| constructs the engine (public member function) | |
| sets the current state of the engine (public member function) | |
Generation | |
| operator()
| advances the engine's state and returns the generated value (public member function) |
| advances the engine's state by a specified amount (public member function) | |
Characteristics | |
| [static] | gets the smallest possible value in the output range (public static member function) |
| [static] | gets the largest possible value in the output range (public static member function) |
Non-member functions
| compares the internal states of two pseudo-random number engines (function template) | |
| performs stream input and output on pseudo-random number engine (function template) |
Member objects
| constexpr size_t word_size [static] | (public static member constant) |
| constexpr size_t short_lag [static] | (public static member constant) |
| constexpr size_t long_lag [static] | (public static member constant) |
| constexpr UIntType default_seed [static] | (public static member constant) |
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