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Diffstat (limited to 'spec/ruby/core/complex/shared/arg.rb')
-rw-r--r-- | spec/ruby/core/complex/shared/arg.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/spec/ruby/core/complex/shared/arg.rb b/spec/ruby/core/complex/shared/arg.rb new file mode 100644 index 0000000000..c81f197433 --- /dev/null +++ b/spec/ruby/core/complex/shared/arg.rb @@ -0,0 +1,9 @@ +describe :complex_arg, shared: true do + it "returns the argument -- i.e., the angle from (1, 0) in the complex plane" do + two_pi = 2 * Math::PI + (Complex(1, 0).send(@method) % two_pi).should be_close(0, TOLERANCE) + (Complex(0, 2).send(@method) % two_pi).should be_close(Math::PI * 0.5, TOLERANCE) + (Complex(-100, 0).send(@method) % two_pi).should be_close(Math::PI, TOLERANCE) + (Complex(0, -75.3).send(@method) % two_pi).should be_close(Math::PI * 1.5, TOLERANCE) + end +end |