1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
require_relative '../../../spec_helper'
ruby_version_is ''...'2.5' do
require 'mathn'
describe "Bignum#**" do
before :each do
@bignum = bignum_value(47)
end
it "returns self raised to other (positive) power" do
(@bignum ** 4).should == 7237005577332262361485077344629993318496048279512298547155833600056910050625
(@bignum ** 1.2).should be_close(57262152889751597425762.57804, TOLERANCE)
end
it "returns a complex number when negative and raised to a fractional power" do
((-@bignum) ** (1/3)).should be_close(Complex(1048576,1816186.907597341), TOLERANCE)
((-@bignum) ** (1.0/3)).should be_close(Complex(1048576,1816186.907597341), TOLERANCE)
end
end
end
|
