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[Bug math/15367] Let gcc use __builtin_isinf
- From: "jtaylor.debian at googlemail dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 08 May 2013 18:48:28 +0000
- Subject: [Bug math/15367] Let gcc use __builtin_isinf
- Auto-submitted: auto-generated
- References: <bug-15367-131 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=15367
--- Comment #6 from Julian Taylor <jtaylor.debian at googlemail dot com> 2013-05-08 18:48:28 UTC ---
judging from this mail it seems builtin_isinf_sign was explicitly added so it
can be used in C libraries:
http://gcc.gnu.org/ml/gcc-patches/2008-05/msg01067.html
the patch documents +1 and -1 as return values, just as glibc does.
The source is still the same in gcc 4.8.
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