mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
401b64c4e8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
12 lines
519 B
Ruby
12 lines
519 B
Ruby
require_relative '../../spec_helper'
|
|
|
|
describe :complex_abs, shared: true do
|
|
it "returns the modulus: |a + bi| = sqrt((a ^ 2) + (b ^ 2))" do
|
|
Complex(0, 0).send(@method).should == 0
|
|
Complex(3, 4).send(@method).should == 5 # well-known integer case
|
|
Complex(-3, 4).send(@method).should == 5
|
|
Complex(1, -1).send(@method).should be_close(Math.sqrt(2), TOLERANCE)
|
|
Complex(6.5, 0).send(@method).should be_close(6.5, TOLERANCE)
|
|
Complex(0, -7.2).send(@method).should be_close(7.2, TOLERANCE)
|
|
end
|
|
end
|