diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-10-17 09:17:11 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-10-17 09:17:11 +0000 |
commit | 6b02097f798c27379e9e04e107507a7f54ea9a45 (patch) | |
tree | d293f01b2596fcef31d5bd8e6b5cb733077ff082 /test/bigdecimal | |
parent | 93e4ba927c565da6c56afa6e232d7a7e4b219a44 (diff) |
* test/bigdecimal/test_bigdecimal.rb (TestBigDecimal#test_sqrt_bigdecimal):
test updated. a patch from TAKANO Mitsuhiro <takano32 at jus.or.jp> in
[ruby-dev:36736].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19820 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/bigdecimal')
-rw-r--r-- | test/bigdecimal/test_bigdecimal.rb | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb index c1f67b8c90..35edc7a44a 100644 --- a/test/bigdecimal/test_bigdecimal.rb +++ b/test/bigdecimal/test_bigdecimal.rb @@ -466,7 +466,11 @@ class TestBigDecimal < Test::Unit::TestCase x = BigDecimal.new("0.09") assert_in_delta(0.3, x.sqrt(1), 0.001) x = BigDecimal.new((2**100).to_s) - assert_equal(true, x.sqrt(300).precs.last < x.sqrt(1200).precs.last) + y = BigDecimal("1125899906842624") + e = y.exponent + assert_equal(true, (x.sqrt(100) - y).abs < BigDecimal("1E#{e-100}")) + assert_equal(true, (x.sqrt(200) - y).abs < BigDecimal("1E#{e-200}")) + assert_equal(true, (x.sqrt(300) - y).abs < BigDecimal("1E#{e-300}")) x = BigDecimal.new("-" + (2**100).to_s) assert_raise(FloatDomainError) { x.sqrt(1) } x = BigDecimal.new((2**200).to_s) |