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[Bug manual/15267] Add note on performance characteristics of some libm functions
- From: "carlos at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Fri, 15 Mar 2013 14:37:59 +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
Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
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CC| |carlos at redhat dot com
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> 2013-03-15 14:37:59 UTC ---
(In reply to comment #2)
> 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.
Sorry, are you advocating we "fix it" as opposed to "document it?"
If you are then I agree, but documenting things until you fix them is a good
intermediate step.
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