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<body><span class="vcard"><a class="email" href="mailto:guijemont@igalia.com" title="Guillaume Emont <guijemont@igalia.com>"> <span class="fn">Guillaume Emont</span></a>
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<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - JSC Math.pow tests makes wrong assumptions on precision"
href="https://bugs.webkit.org/show_bug.cgi?id=150403">bug 150403</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>INVALID
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - JSC Math.pow tests makes wrong assumptions on precision"
href="https://bugs.webkit.org/show_bug.cgi?id=150403#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - JSC Math.pow tests makes wrong assumptions on precision"
href="https://bugs.webkit.org/show_bug.cgi?id=150403">bug 150403</a>
from <span class="vcard"><a class="email" href="mailto:guijemont@igalia.com" title="Guillaume Emont <guijemont@igalia.com>"> <span class="fn">Guillaume Emont</span></a>
</span></b>
<pre>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] <a href="http://www.wolframalpha.com/input/?i=2%5E42.5">http://www.wolframalpha.com/input/?i=2%5E42.5</a></pre>
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