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[Bug math/6786] erfc() does not set errno for underflow


http://sourceware.org/bugzilla/show_bug.cgi?id=6786

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34e16df5a1a46e128edb9eb44a09ac5762957136

commit 34e16df5a1a46e128edb9eb44a09ac5762957136
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Tue Dec 3 16:25:18 2013 +0000

    Fix erfc errno setting on underflow (bug 6786).

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                            |   18 ++
 NEWS                                 |   24 ++--
 math/auto-libm-test-in               |   13 ++-
 math/auto-libm-test-out              |  302 +++++++++++++++++++++++++++++++++-
 sysdeps/i386/fpu/libm-test-ulps      |    3 +
 sysdeps/ieee754/dbl-64/s_erf.c       |   17 ++-
 sysdeps/ieee754/flt-32/s_erff.c      |   19 ++-
 sysdeps/ieee754/ldbl-128/s_erfl.c    |   13 ++-
 sysdeps/ieee754/ldbl-128ibm/s_erfl.c |   13 ++-
 sysdeps/ieee754/ldbl-96/s_erfl.c     |   13 ++-
 sysdeps/x86_64/fpu/libm-test-ulps    |    3 +
 11 files changed, 410 insertions(+), 28 deletions(-)

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