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[Bug math/2542] Incorrect return from float gamma (-0X1.FA471547C2FE5P+1)
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Thu, 23 Feb 2012 02:05:35 +0000
- Subject: [Bug math/2542] Incorrect return from float gamma (-0X1.FA471547C2FE5P+1)
- Auto-submitted: auto-generated
- References: <bug-2542-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=2542
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|SUSPENDED |NEW
AssignedTo|aj at suse dot de |unassigned at sourceware
| |dot org
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-02-23 02:05:35 UTC ---
The expected result you give is for the exact double value you give. When
converted to float (-0x1.fa4716p+1), the expected result is 0X1.DD4B54P-20.
The error is still huge (and still present today) - about a million ULPs - but
not as huge as indicated in the original report.
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