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test_bigmath.rb: ignore on unrelated platforms

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* test/bigdecimal/test_bigmath.rb (test_log): ignore the result of log
  which is not a finite number.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-01-12 08:20:39 +00:00
parent 9bd672f668
commit 89a3450a55
1 changed files with 8 additions and 1 deletions
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9
test/bigdecimal/test_bigmath.rb
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@ -68,7 +68,14 @@ class TestBigMath < Test::Unit::TestCase
assert_raise(Math::DomainError) {BigMath.log(BigDecimal("0"), 10)}
assert_raise(Math::DomainError) {BigMath.log(BigDecimal("-1"), 10)}
assert_separately(%w[-rbigdecimal], <<-SRC)
assert_in_epsilon(Math.log(10)*19999999999999, BigMath.log(BigDecimal("1E19999999999999"), 10))
begin
x = BigMath.log(BigDecimal("1E19999999999999"), 10)
rescue FloatDomainError
else
unless x.infinite?
assert_in_epsilon(Math.log(10)*19999999999999, x)
end
end
SRC
end
end