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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"c++17 removed random_shuffle","articleBody":"`std::random_shuffle` is used here:\r\nhttps://github.com/matplotlib/matplotlib/blob/main/src/tri/_tri.cpp#L1469\r\n\r\nIt has been removed from c++17:\r\nhttps://en.cppreference.com/w/cpp/algorithm/random_shuffle\r\n\r\n\u003e The reason for removing std::random_shuffle in C++17 is that the iterator-only version usually depends on [std::rand](https://en.cppreference.com/w/cpp/numeric/random/rand), which is now also discussed for deprecation. ([std::rand](https://en.cppreference.com/w/cpp/numeric/random/rand) should be replaced with the classes of the [\u003crandom\u003e](https://en.cppreference.com/w/cpp/header/random) header, as [std::rand](https://en.cppreference.com/w/cpp/numeric/random/rand) is considered harmful.) In addition, the iterator-only std::random_shuffle version usually depends on a global state. The std::shuffle's shuffle algorithm is the preferred replacement, as it uses a URBG as its 3rd parameter.","author":{"url":"https://github.com/hoodmane","@type":"Person","name":"hoodmane"},"datePublished":"2022-09-26T00:33:22.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/24010/matplotlib/issues/24010"}