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-rw-r--r--test/ruby/test_float.rb8
1 files changed, 4 insertions, 4 deletions
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb
index 741093fa61..fb180ff81b 100644
--- a/test/ruby/test_float.rb
+++ b/test/ruby/test_float.rb
@@ -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]