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authornaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-06-29 21:25:03 +0000
committernaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-06-29 21:25:03 +0000
commiteaa572e57d1a21892e57f7e451cb991fab32b2d2 (patch)
tree43107d351095da4a3bbb1afa67cf0169106db74b /test/test_cmath.rb
parentbe9d096cc9f6b7ca277123ba351f84f10be3458e (diff)
* lib/cmath.rb (CMath.log): second argument: b can be nil.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32307 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/test_cmath.rb')
-rw-r--r--test/test_cmath.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/test/test_cmath.rb b/test/test_cmath.rb
index 4f85ec3..ae4b15c 100644
--- a/test/test_cmath.rb
+++ b/test/test_cmath.rb
@@ -6,6 +6,10 @@ class TestCMath < Test::Unit::TestCase
assert_equal CMath.sqrt(1.0.i), CMath.sqrt(1.i), '[ruby-core:31672]'
end
+ def test_acos
+ assert_equal Complex(0.9368124611557199,-2.305509031243477), CMath.acos(Complex(3, 4))
+ end
+
def test_cbrt_returns_principal_value_of_cube_root
assert_equal CMath.cbrt(-8), (-8)**(1.0/3), '#3676'
end