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[Bug math/16316] New: ldbl-96 hypotl (0, 0x1p-16445L) incorrect
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 11 Dec 2013 01:25:04 +0000
- Subject: [Bug math/16316] New: ldbl-96 hypotl (0, 0x1p-16445L) incorrect
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=16316
Bug ID: 16316
Summary: ldbl-96 hypotl (0, 0x1p-16445L) incorrect
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, hypotl (0, 0x1p-16445L) raises a spurious "invalid" exception and
returns infinity when it should return 0x1p-16445L with no exceptions beyond
optional inexact/underflow.
Failure: hypot (+0, 0x8p-16448): Exception "Invalid operation" set
Failure: Test: hypot (+0, 0x8p-16448)
Result:
is: inf inf
should be: 3.64519953188247460253e-4951 0x0.00000000000000100000p-16385
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