1require_relative '../../../spec_helper'
2
3ruby_version_is ''...'2.5' do
4  require 'mathn'
5
6  describe "Float#**" do
7    it "returns self raised to other (positive) power" do
8      (2.0 ** 4).should == 16.0
9      (2.0 ** 1.2).should be_close(2.2973967, TOLERANCE)
10    end
11
12    it "returns a complex number when negative and raised to a fractional power" do
13      ((-8.0) ** (1/3)).should be_close(Complex(1, 1.73205), TOLERANCE)
14      ((-8.0) ** (1.0/3)).should be_close(Complex(1, 1.73205), TOLERANCE)
15    end
16  end
17end
18