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Catch passes an RNG which accepts int to random_shuffle. Inside random_shuffle, the STL tries to call that RNG with the difference_type of the user provided iterators. For std::vector, this is ptrdiff_t, which on amd64 builds is wider than int. This triggers a narrowing warning because the 64 bit difference is being truncated to 32 bits. Note that this RNG implementation still does not produce a correctly uniformly shuffled result -- it's currently asserting that std::rand can produce 1000000 which is false -- but I don't know enough about how much repeatable shuffles are necessary here, so I'm leaving that alone for now. |
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| .. | ||
| external | ||
| internal | ||
| reporters | ||
| catch_session.hpp | ||
| catch_with_main.hpp | ||
| catch.hpp | ||