kotovalexarian-likes-github/ruby--ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
Code Releases Activity

* test/bigdecimal/test_bigdecimal.rb (TestBigDecimal#test_sqrt_bigdecimal):

Browse source 
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
This commit is contained in:
matz 2008-10-17 09:17:11 +00:00
parent 93e4ba927c
commit 6b02097f79
2 changed files with 11 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
ChangeLog
View file

@ -1,3 +1,9 @@
Fri Oct 17 18:16:51 2008 Yukihiro Matsumoto <matz@ruby-lang.org>
* 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].
Fri Oct 17 18:14:57 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (uncommon.mk): ignores failures at loading.

6
test/bigdecimal/test_bigdecimal.rb
View file

@ -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)