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[Bug math/14412] Removal of sysdeps/x86_64/fpu/s_sincos.S causes regressions
- From: "bugdal at aerifal dot cx" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Mon, 29 Apr 2013 14:48:43 +0000
- Subject: [Bug math/14412] Removal of sysdeps/x86_64/fpu/s_sincos.S causes regressions
- Auto-submitted: auto-generated
- References: <bug-14412-131 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14412
--- Comment #41 from Rich Felker <bugdal at aerifal dot cx> 2013-04-29 14:48:43 UTC ---
Ondrej, the input always has 52 significant bits unless it's denormal. If, due
to the way you computed the input value, none of them are significant to you,
then that's your problem. sin() and cos() are still required to return the
correct result assuming all bits of input are significant.
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