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[Bug math/15899] exp2f() is not monotonic
- From: "joseph at codesourcery dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Tue, 27 Aug 2013 20:57:14 +0000
- Subject: [Bug math/15899] exp2f() is not monotonic
- Auto-submitted: auto-generated
- References: <bug-15899-131 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=15899
--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Although we have a few bugs like this, I don't think monotonicity is a
goal for glibc libm functions, and I doubt we should add it as one. It's
certainly not part of the accuracy goals as I described them in
<https://sourceware.org/ml/libc-alpha/2013-05/msg00132.html>. (And a
correctly rounded version, if added, should be crexp2f as per TS 18661-4
rather than adding correct rounding to goals for existing functions for
which it's not required.)
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