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[Bug math/16353] New: expm1 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 18:09:42 +0000
Subject: [Bug math/16353] New: expm1 missing underflows
Auto-submitted: auto-generated

https://sourceware.org/bugzilla/show_bug.cgi?id=16353

            Bug ID: 16353
           Summary: expm1 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 expm1 implementations do not raise the underflow exception for
subnormal arguments, when the result is tiny and inexact.  For example, on
x86_64, expm1 (0x1p-1074).

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