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[Bug math/16352] New: atanh missing underflows
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Fri, 20 Dec 2013 18:01:48 +0000
- Subject: [Bug math/16352] New: atanh missing underflows
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=16352
Bug ID: 16352
Summary: atanh missing underflows
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
At least some atanh implementations do not raise the underflow exception for
subnormal arguments, when the result is tiny an inexact. For example, for
float on x86_64:
Failure: atanh (0x8p-152): Exception "Underflow" not set
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