[Webkit-unassigned] [Bug 150403] JSC Math.pow tests makes wrong assumptions on precision

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=150403

Guillaume Emont <guijemont at igalia.com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #4 from Guillaume Emont <guijemont at igalia.com> ---
After further checking, it seems like the issue that I encountered with that test only happens when using uclibc. In that case, Math.pow(2,42.5) returns 6219777023950.949. Though that number looks like it has more precision, it turns out[1] that it seems that it is not rounded properly, but rather truncated (the correct rounding to 3 digits would be 
6219777023950.950), so it seems like it is a uclibc issue.
Sorry for the noise.

[1] http://www.wolframalpha.com/input/?i=2%5E42.5

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