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ruby--ruby/test/test_cmath.rb
mrkn e6bea8978c * 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
2011-06-13 05:36:59 +00:00

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Ruby

require 'test/unit'
require 'cmath'
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