C++ STL Random

#include <iostream>
#include <random>


int main() {
    using ElemT = float;

    // Predefined random number generators
    // https://en.cppreference.com/w/cpp/numeric/random
    std::mt19937_64 engine{ std::random_device{}() };

    // Random number distributions
    // https://en.cppreference.com/w/cpp/numeric/random
    std::normal_distribution<ElemT>      normal{ 0.0f, 0.5f };
    std::exponential_distribution<ElemT> exp{ 1.0f };

    for (auto i : std::vector<ElemT>(10, 0.0f)) {
        std::cout << exp(engine) << std::endl;
    }

    return 0;
}