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* test/-ext-/float/test_nextafter.rb: In AIX,

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nextafter(+0.0,-0.0)=+0.0, and nextafter(-0.0,+0.0)=-0.0,
  but they should return -0.0 and +0.0, respectively. This is
  a known bug in nextafter(3) on AIX, so skip related tests.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
odaira 2016-03-04 22:43:31 +00:00
parent 1ec6bb95bc
commit adde0a94a2
2 changed files with 17 additions and 3 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
Sat Mar 5 07:36:27 2016 Rei Odaira <Rei.Odaira@gmail.com>
* test/-ext-/float/test_nextafter.rb: In AIX,
nextafter(+0.0,-0.0)=+0.0, and nextafter(-0.0,+0.0)=-0.0,
but they should return -0.0 and +0.0, respectively. This is
a known bug in nextafter(3) on AIX, so skip related tests.
Sat Mar 5 07:14:10 2016 Rei Odaira <Rei.Odaira@gmail.com>
* test/zlib/test_zlib.rb (test_adler32_combine, test_crc32_combine):

13
test/-ext-/float/test_nextafter.rb
View file

@ -46,9 +46,16 @@ class TestFloatExt < Test::Unit::TestCase
if v1 == 0
s1 = 1.0/v1 < 0 ? "negative-zero" : "positive-zero"
s2 = 1.0/v2 < 0 ? "negative-zero" : "positive-zero"
assert_equal(s1, s2,
"Bug::Float.missing_nextafter(#{'%a' % n1}, #{'%a' % n2}) = #{'%a' % v1} != " +
"#{'%a' % v2} = Bug::Float.system_nextafter(#{'%a' % n1}, #{'%a' % n2})")
begin
assert_equal(s1, s2,
"Bug::Float.missing_nextafter(#{'%a' % n1}, #{'%a' % n2}) = #{'%a' % v1} != " +
"#{'%a' % v2} = Bug::Float.system_nextafter(#{'%a' % n1}, #{'%a' % n2})")
rescue Minitest::Assertion
if /aix/ =~ RUBY_PLATFORM
skip "Known bug in nextafter(3) on AIX"
end
raise $!
end
end
end
}