Attachment 7212 Details for Bug 17126 – Test file for C++

Test file for C++

random.cc (text/plain), 712 bytes, created by Len Lawrence on 2015-11-18 19:45:56 CET

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Creator: Len Lawrence

Created: 2015-11-18 19:45:56 CET

Size: 712 bytes

patch

obsolete

#include <iostream>
#include <string>
#include <map>
#include <random>
 
int main()
{
    std::random_device rd;
    std::map<int, int> hist;
    std::uniform_int_distribution<int> dist(0, 9);
    for (int n = 0; n < 20000; ++n) {
        ++hist[dist(rd)]; // note: demo only: the performance of many 
                          // implementations of random_device degrades sharply
                          // once the entropy pool is exhausted. For practical use
                          // random_device is generally only used to seed 
                          // a PRNG such as mt19937
    }
    for (auto p : hist) {
        std::cout << p.first << " : " << std::string(p.second/100, '*') << '\n';
    }
}

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Attachments on bug 17126: 7212