[Webkit-unassigned] [Bug 157805] REGRESSION(r192855): Math.random() always produces the same first 7 decimal points the first two invocations

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue May 17 12:01:46 PDT 2016


--- Comment #3 from Geoffrey Garen <ggaren at apple.com> ---
Probably too many zeroes in the initial seed, since our seed API is 32 bit. You can probably fix this by:

        uint64_t seed64 = seed;
        m_low = (seed64 << 32) | seed64;
        m_high = (seed64 << 32) | seed64;

Or you could update the seed API to be 128bit.

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