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[Bug manual/15267] Add note on performance characteristics of some libm functions
- From: "bugdal at aerifal dot cx" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Fri, 15 Mar 2013 05:57:21 +0000
- Subject: [Bug manual/15267] Add note on performance characteristics of some libm functions
- Auto-submitted: auto-generated
- References: <bug-15267-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=15267
Rich Felker <bugdal at aerifal dot cx> changed:
What |Removed |Added
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CC| |bugdal at aerifal dot cx
--- Comment #2 from Rich Felker <bugdal at aerifal dot cx> 2013-03-15 05:57:21 UTC ---
Shouldn't this issue just be fixed? IEEE specifically omits the requirement of
correct rounding for transcendental functions because of the long-known issue
that there's no known efficient way to compute the correctly-rounded results.
As far as I can tell, no other libm implementations have these performance
bugs; they're unique to glibc and the "IBM Accurate Mathematical Library"
written for glibc.
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