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[Bug math/18219] New: exp2f spurious underflows

From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
To: glibc-bugs at sourceware dot org
Date: Wed, 08 Apr 2015 20:12:18 +0000
Subject: [Bug math/18219] New: exp2f spurious underflows
Auto-submitted: auto-generated

https://sourceware.org/bugzilla/show_bug.cgi?id=18219

            Bug ID: 18219
           Summary: exp2f spurious underflows
           Product: glibc
           Version: 2.21
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
          Assignee: unassigned at sourceware dot org
          Reporter: jsm28 at gcc dot gnu.org

The flt-32 implementation of exp2f produces spurious underflow exceptions.  For
example, on x86_64, exp2f (-116.5f) produces such an exception, although the
result does not underflow.

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