[Bug] Random number generator causing static assert #48

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opened 2022-08-25 11:06:45 -04:00 by ArtemisX64 · 1 comment

ArtemisX64 commented

2022-08-25 11:06:45 -04:00

(Migrated from github.com)

Cemu
Version 2.0(Latest Upstream)
Test Platform: Linux

Issue

Discover why random number generator is causing static assert particularly in cemu

Other Notes

It works outside of cemu repository using clang14 and libstdc++

Example of function having issue

std::string GenerateRandomString(size_t length, std::string_view characters)
{
    assert(!characters.empty());
    std::stringstream result;

    std::random_device rd;
    std::mt19937 gen(rd());
    std::uniform_int_distribution<decltype(characters.size())> index_dist(0, characters.size() - 1);
    for (uint32_t i = 0; i < length; ++i)
    {
        result << characters[index_dist(gen)]; //Issue occurs with this function[index_dist(gen)] during compilation
    }

    return result.str();
}

Cemu Version 2.0(Latest Upstream) Test Platform: Linux ## Issue Discover why random number generator is causing static assert particularly in cemu ## Other Notes It works outside of cemu repository using clang14 and libstdc++ ### Example of function having issue ```cc std::string GenerateRandomString(size_t length, std::string_view characters) { assert(!characters.empty()); std::stringstream result; std::random_device rd; std::mt19937 gen(rd()); std::uniform_int_distribution<decltype(characters.size())> index_dist(0, characters.size() - 1); for (uint32_t i = 0; i < length; ++i) { result << characters[index_dist(gen)]; //Issue occurs with this function[index_dist(gen)] during compilation } return result.str(); } ```

Exzap commented

2022-08-26 08:32:13 -04:00

(Migrated from github.com)

Reopening this because the actual cause has yet to be found

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Reference: cemu-project_Mirror/Cemu-2024-03-05#48

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