diff options
Diffstat (limited to 'spec/ruby/core/complex/shared/abs.rb')
| -rw-r--r-- | spec/ruby/core/complex/shared/abs.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/spec/ruby/core/complex/shared/abs.rb b/spec/ruby/core/complex/shared/abs.rb new file mode 100644 index 0000000000..2299479341 --- /dev/null +++ b/spec/ruby/core/complex/shared/abs.rb @@ -0,0 +1,10 @@ +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 |