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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
17 lines
519 B
Ruby
17 lines
519 B
Ruby
require_relative '../../../spec_helper'
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ruby_version_is ''...'2.5' do
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require 'mathn'
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describe "Float#**" do
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it "returns self raised to other (positive) power" do
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(2.0 ** 4).should == 16.0
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(2.0 ** 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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((-8.0) ** (1/3)).should be_close(Complex(1, 1.73205), TOLERANCE)
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((-8.0) ** (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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