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18 lines
532 B
Ruby
18 lines
532 B
Ruby
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require File.expand_path('../../../../spec_helper', __FILE__)
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ruby_version_is ''...'2.5' do
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require 'mathn'
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describe "Fixnum#**" do
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it "returns self raised to other (positive) power" do
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(2 ** 4).should == 16
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(2 ** 1.2).should be_close(2.2973967, TOLERANCE)
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end
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it "returns a complex number when negative and raised to a fractional power" do
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((-8) ** (1/3)).should be_close(Complex(1, 1.73205), TOLERANCE)
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((-8) ** (1.0/3)).should be_close(Complex(1, 1.73205), TOLERANCE)
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end
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end
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end
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