std::random_device::operator() - cppreference.com

en.cppreference.com/w/cpp/numeric/random/random_device/operator()
From cppreference.com < cpp‎ | numeric‎ | random‎ | random devicecpp‎ | numeric‎ | random‎ | random device. C++

std::random_device - cppreference.com

en.cppreference.com/w/cpp/numeric/random/random_device     2023-11-20T00:00:00.0000000
std::random_device is a uniformly-distributed integer random number generator that produces non-deterministic random numbers.. std::random_device may be implemented in terms of an implementation-defined pseudo-random number engine if a non-deterministic source (e.g. a hardware device) is not available to the implementation. In this case each std::random_device object may generate the same ...

Standard library header <random> (C++11) - cppreference.com

en.cppreference.com/w/cpp/header/random     2025-02-09T00:00:00.0000000
3.1 Random number engines; 3.2 Random number engine adaptors; 3.3 Predefined generators; 3.4 Non-deterministic random numbers; 3.5 Uniform distributions; 3.6 Bernoulli distributions; 3.7 Poisson distributions; 3.8 Normal distributions; 3.9 Sampling distributions; 3.10 Utilities; 4 Functions; 5 Synopsis. 5.1 Concept uniform_random_bit_generator

std::random_device:: random_device - Reference

en.cppreference.com/w/cpp/numeric/random/random_device/random_device     2023-05-05T00:00:00.0000000
The implementation in libc++, when configured to use character device as the source, expects token to be the name of a character device that produces random numbers when read from; otherwise it expects token to be "/dev/urandom".

std::uniform_real_distribution - cppreference.com

en.cppreference.com/w/cpp/numeric/random/uniform_real_distribution     2024-04-06T00:00:00.0000000
#include <iostream> #include <random> int main {std:: random_device rd; // Will be used to obtain a seed for the random number engine std:: mt19937 gen (rd ()); // Standard mersenne_twister_engine seeded with rd() std:: uniform_real_distribution <> dis (1.0, 2.0); for (int n = 0; n < 10; ++ n) // Use dis to transform the random unsigned int ...

std::uniform_real_distribution<RealType>:: operator()

en.cppreference.com/w/cpp/numeric/random/uniform_real_distribution/operator()
Generates random numbers that are distributed according to the associated probability function. The entropy is acquired by calling g. operator ().. The first version uses the associated parameter set, the second version uses params.The associated parameter set is not modified.

std::normal_distribution - cppreference.com

en.cppreference.com/w/cpp/numeric/random/normal_distribution     2023-10-17T00:00:00.0000000
performs stream input and output on pseudo-random number distribution (function template) [] Exampl

std::rand - cppreference.com

en.cppreference.com/w/cpp/numeric/random/rand     2024-04-24T00:00:00.0000000
Return value. Pseudo-random integral value between 0 and RAND_MAX. [] NoteThere are no guarantees as to the quality of the random sequence produced. In the past, some implementations of rand() have had serious shortcomings in the randomness, distribution and period of the sequence produced (in one well-known example, the low-order bit simply alternated between 1 and 0 between calls).

std::mersenne_twister_engine<UIntType,w,n,m,r,a,u,d,s,b,t,c,l,f ...

en.cppreference.com/w/cpp/numeric/random/mersenne_twister_engine/operator()
Advances the state of the engine, and generates a pseudo-random value from the new state. [ edit ] Return value A pseudo-random number in [ min ( ) , max ( ) ] .

std::uniform_int_distribution - cppreference.com

en.cppreference.com/w/cpp/numeric/random/uniform_int_distribution     2023-05-05T00:00:00.0000000
performs stream input and output on pseudo-random number distribution (function template) [] Exampl
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