diff options
Diffstat (limited to 'spec/ruby/shared/complex/polar.rb')
| -rw-r--r-- | spec/ruby/shared/complex/polar.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/spec/ruby/shared/complex/polar.rb b/spec/ruby/shared/complex/polar.rb new file mode 100644 index 0000000000..acc063d89f --- /dev/null +++ b/spec/ruby/shared/complex/polar.rb @@ -0,0 +1,22 @@ +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 |