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[Bug math/20232] [ldbl-128] expm1l (sNaN) returns sNaN
- From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Thu, 09 Jun 2016 17:24:43 +0000
- Subject: [Bug math/20232] [ldbl-128] expm1l (sNaN) returns sNaN
- Auto-submitted: auto-generated
- References: <bug-20232-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=20232
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=59e53a78985be92134f126c5597d15a9998001d1
commit 59e53a78985be92134f126c5597d15a9998001d1
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Jun 9 17:23:51 2016 +0000
Fix ldbl-128 expm1l (sNaN) (bug 20232).
The ldbl-128 version of expm1l returns sNaN for sNaN input. This
patch fixes it to add such inputs to themselves so that qNaN is
returned in this case.
Tested for mips64.
[BZ #20232]
* sysdeps/ieee754/ldbl-128/s_expm1l.c (__expm1l): Add NaN input to
itself.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/ieee754/ldbl-128/s_expm1l.c | 4 ++--
2 files changed, 8 insertions(+), 2 deletions(-)
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