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| author | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-06-13 05:36:59 +0000 |
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| committer | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-06-13 05:36:59 +0000 |
| commit | e6bea8978c9ec6b69a546f68416dd87dacac8b2a (patch) | |
| tree | a32b807a7dd1fee93317528a5a4834a74fe135c0 /test/test_cmath.rb | |
| parent | da923d2b1f6de3ba2947c83cf89c6affd85cc0d9 (diff) | |
| download | ruby-e6bea8978c9ec6b69a546f68416dd87dacac8b2a.tar.gz | |
* lib/cmath.rb (CMath.cbrt): returns the principal value of the cube
root of the argument. fix #3676
* test/test_cmath.rb (test_cbrt_returns_principal_value_of_cube_root):
test for the above change.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32047 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/test_cmath.rb')
| -rw-r--r-- | test/test_cmath.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/test/test_cmath.rb b/test/test_cmath.rb index 46a357fab2..4f85ec3d04 100644 --- a/test/test_cmath.rb +++ b/test/test_cmath.rb @@ -5,4 +5,8 @@ class TestCMath < Test::Unit::TestCase def test_sqrt assert_equal CMath.sqrt(1.0.i), CMath.sqrt(1.i), '[ruby-core:31672]' end + + def test_cbrt_returns_principal_value_of_cube_root + assert_equal CMath.cbrt(-8), (-8)**(1.0/3), '#3676' + end end |