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require File.expand_path('../../../../spec_helper', __FILE__)
require 'mathn'
describe "Float#**" do
it "returns self raised to other (positive) power" do
(2.0 ** 4).should == 16.0
(2.0 ** 1.2).should be_close(2.2973967, TOLERANCE)
end
ruby_version_is '1.9' do
it "returns a complex number when negative and raised to a fractional power" do
((-8.0) ** (1/3)).should be_close(Complex(1, 1.73205), TOLERANCE)
((-8.0) ** (1.0/3)).should be_close(Complex(1, 1.73205), TOLERANCE)
end
end
end
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