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[Bug math/16330] New: hypot spurious underflows with subnormal arguments
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Mon, 16 Dec 2013 18:39:07 +0000
- Subject: [Bug math/16330] New: hypot spurious underflows with subnormal arguments
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=16330
Bug ID: 16330
Summary: hypot spurious underflows with subnormal arguments
Product: glibc
Version: 2.19
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
On x86_64, hypot (0x0.fffffffffffffp-1022, 0x0.fp-1023) produces a spurious
underflow exception although the result is in the normal range. (I think
similar issues will apply to ldbl-96 and ldbl-128 hypotl as well.) Cause
related to bug 16316, although the symptoms are different.
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