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[Bug math/14793] Further spurious underflows from fma when a * b is small
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Mon, 05 Nov 2012 22:04:38 +0000
- Subject: [Bug math/14793] Further spurious underflows from fma when a * b is small
- Auto-submitted: auto-generated
- References: <bug-14793-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14793
--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-11-05 22:04:38 UTC ---
Actually, there are two cases causing problems here: cases such as the one
given, where scaling down happens rather than scaling up, and cases where e.g.
0x1p16319L is used instead of 0x1p16383L, where scaling up happens but not by
quite enough.
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