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[Bug math/13840] New: hypotf overflow and underflow
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Tue, 13 Mar 2012 20:39:01 +0000
- Subject: [Bug math/13840] New: hypotf overflow and underflow
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=13840
Bug #: 13840
Summary: hypotf overflow and underflow
Product: glibc
Version: 2.15
Status: NEW
Severity: normal
Priority: P2
Component: math
AssignedTo: jsm28@gcc.gnu.org
ReportedBy: jsm28@gcc.gnu.org
Classification: Unclassified
sysdeps/ieee754/flt-32/e_hypotf.c's implementation of hypotf overflows
internally for some large inputs (for example, giving inf for hypotf (0x3p125,
0x4p125) instead of 0x5p125). It also gives inaccurate results for some small
inputs that are not subnormal. I'll send a patch.
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