1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
require File.expand_path('../../../spec_helper', __FILE__)
describe :complex_polar_class, :shared => true do
it "returns a complex number in terms of radius and angle" do
Complex.polar(50, 60).should be_close(Complex(-47.6206490207578, -15.2405310551108), TOLERANCE)
Complex.polar(-10, -20).should be_close(Complex(-4.08082061813392, 9.12945250727628), TOLERANCE)
end
end
describe :complex_polar, :shared => true do
it "returns the absolute value and the argument" do
a = Complex(3, 4)
a.polar.size.should == 2
a.polar.first.should == 5.0
a.polar.last.should be_close(0.927295218001612, TOLERANCE)
b = Complex(-3.5, 4.7)
b.polar.size.should == 2
b.polar.first.should be_close(5.86003412959345, TOLERANCE)
b.polar.last.should be_close(2.21088447955664, TOLERANCE)
end
end
|
