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[Bug math/15285] New: Bessel function spurious overflows for ldbl-128 / ldbl-128ibm
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Sun, 17 Mar 2013 20:23:38 +0000
- Subject: [Bug math/15285] New: Bessel function spurious overflows for ldbl-128 / ldbl-128ibm
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=15285
Bug #: 15285
Summary: Bessel function spurious overflows for ldbl-128 /
ldbl-128ibm
Product: glibc
Version: 2.17
Status: NEW
Severity: normal
Priority: P2
Component: math
AssignedTo: unassigned@sourceware.org
ReportedBy: jsm28@gcc.gnu.org
Classification: Unclassified
The ldbl-128 / ldbl-128ibm implementations of Bessel function do not check if
the argument can be doubled before doing so, resulting in spurious overflows
for arguments above LDBL_MAX / 2.0L. This is reported for ldbl-128 at
http://sourceware.org/ml/libc-alpha/2013-03/msg00434.html and the same applies
for ldbl-128ibm (tested for y1l (0x1p1023L) on powerpc64).
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