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Difference between revisions of "cpp/numeric/random/subtract with carry engine"

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Revision as of 12:14, 21 October 2020

 
C++
 
Numerics library
Common mathematical functions
Mathematical special functions (C++17)
Mathematical constants (C++20)
Basic linear algebra algorithms (C++26)
Floating-point environment (C++11)
Complex numbers
Numeric array (valarray)
Pseudo-random number generation
Factor operations
(C++17)
(C++17)
Interpolations
(C++20)
(C++20)
Saturation arithmetic
(C++26)
(C++26)
(C++26)
(C++26)
(C++26)

Generic numeric operations
Bit operations
(C++20)    
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++23)
(C++20)
 
Pseudo-random number generation
 
std::subtract_with_carry_engine
 
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.

This section is incomplete

The following typedefs define the random number engine with two commonly used parameter sets:

Defined in header <random>
Type Definition
ranlux24_base (C++11) std::subtract_with_carry_engine<std::uint_fast32_t, 24, 10, 24>[edit]
ranlux48_base (C++11) std::subtract_with_carry_engine<std::uint_fast64_t, 48, 5, 12>[edit]

Contents

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) [edit]
sets the current state of the engine
(public member function) [edit]
Generation
advances the engine's state and returns the generated value
(public member function) [edit]
advances the engine's state by a specified amount
(public member function) [edit]
Characteristics
[static]
 gets the smallest possible value in the output range
(public static member function) [edit]
[static]
 gets the largest possible value in the output range
(public static member function) [edit]

Non-member functions

(C++11)(C++11)(removed in C++20)
 compares the internal states of two pseudo-random number engines
(function) [edit]
(C++11)
 performs stream input and output on pseudo-random number engine
(function template) [edit]

Member objects

constexpr size_t word_size
[static]
This section is incomplete

(public static member constant)
constexpr size_t short_lag
[static]
This section is incomplete

(public static member constant)
constexpr size_t long_lag
[static]
This section is incomplete

(public static member constant)
constexpr UIntType default_seed
[static]
This section is incomplete

(public static member constant)
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