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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - FTL is not working on Windows."
href="https://bugs.webkit.org/show_bug.cgi?id=145366#c32">Comment # 32</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - FTL is not working on Windows."
href="https://bugs.webkit.org/show_bug.cgi?id=145366">bug 145366</a>
from <span class="vcard"><a class="email" href="mailto:peavo@outlook.com" title="peavo@outlook.com">peavo@outlook.com</a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=145366#c31">comment #31</a>)
<span class="quote">> If MSVC runtime says sin(-0) = 0, this is incorrect (standard enforces
> sin(-0) = -0).
> According to
> <a href="http://stackoverflow.com/questions/30392832/sinminus-zero-does-not-return">http://stackoverflow.com/questions/30392832/sinminus-zero-does-not-return</a>-
> the-expected-result-on-visual-studio-2013-64bi , this is the case at least
> for MSVC 2013 on Windows 7. Is this the MSVC/Windows version combination you
> are using? Can you confirm it is a runtime problem with a simple C program
> computing sin(-0)?
> </span >
Thanks for looking into this :)
Yes, I'm using MSVC 2013 on Windows 7.
I created a Win64 test application with the code from your stackoverflow link, and it does give the incorrect result sin(-0) = 0.
The corresponding Win32 application gives the correct result, so it seems to be a problem with the Win64 C runtime libraries.</pre>
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