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* test/ruby/test_float.rb (test_precision): test by assert_in_delta.

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[ruby-dev:27575]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9481 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ocean 2005-10-30 17:37:31 +00:00
parent 673dcd5ae2
commit 73ded59d0a
2 changed files with 9 additions and 4 deletions
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8
test/ruby/test_float.rb
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@ -40,10 +40,10 @@ class TestFloat < Test::Unit::TestCase
end
def test_precision
#s = "3.7517675036461267e+17"
#assert(s == sprintf("%.16e", s.to_f))
f = 3.7517675036461267e+17
assert_equal(f, sprintf("%.16e", f).to_f)
u = 3.7517675036461267e+17
v = sprintf("%.16e", u).to_f
assert_in_delta(u, v, u.abs * Float::EPSILON)
assert_in_delta(u, v, v.abs * Float::EPSILON)
end
def test_symmetry_bignum # [ruby-bugs-ja:118]