Current File : //opt/cpanel/ea-ruby27/root/usr/lib64/ruby/ruby-2.7.8/mathn/fixnum/exponent_spec.rb
require_relative '../../../spec_helper'
ruby_version_is ''...'2.5' do
require 'mathn'
describe "Fixnum#**" do
it "returns self raised to other (positive) power" do
(2 ** 4).should == 16
(2 ** 1.2).should be_close(2.2973967, TOLERANCE)
end
it "returns a complex number when negative and raised to a fractional power" do
((-8) ** (1/3)).should be_close(Complex(1, 1.73205), TOLERANCE)
((-8) ** (1.0/3)).should be_close(Complex(1, 1.73205), TOLERANCE)
end
end
end
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