diff options
| author | Benoit Daloze <[email protected]> | 2019-09-29 16:03:58 +0200 |
|---|---|---|
| committer | Benoit Daloze <[email protected]> | 2019-09-29 16:03:58 +0200 |
| commit | 1c938a72aa9378f982dbc55327e86150c47b8707 (patch) | |
| tree | 34a0bb0a45396c26eed111877a810c3aa793bff5 /spec/ruby/library/cmath/math/shared/tanh.rb | |
| parent | 31bb66a19df26409c9d47afcf37919c9a065516a (diff) | |
Update to ruby/spec@519df35
Diffstat (limited to 'spec/ruby/library/cmath/math/shared/tanh.rb')
| -rw-r--r-- | spec/ruby/library/cmath/math/shared/tanh.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/spec/ruby/library/cmath/math/shared/tanh.rb b/spec/ruby/library/cmath/math/shared/tanh.rb new file mode 100644 index 0000000000..f2c9a5abb1 --- /dev/null +++ b/spec/ruby/library/cmath/math/shared/tanh.rb @@ -0,0 +1,32 @@ +require_relative '../fixtures/classes' + +describe :complex_math_tanh, shared: true do + it "returns the hyperbolic tangent of the argument" do + @object.send(:tanh, 0.0).should == 0.0 + @object.send(:tanh, -0.0).should == -0.0 + @object.send(:tanh, infinity_value).should == 1.0 + @object.send(:tanh, -infinity_value).should == -1.0 + @object.send(:tanh, 2.5).should be_close(0.98661429815143, TOLERANCE) + @object.send(:tanh, -4.892).should be_close(-0.999887314427707, TOLERANCE) + end + + it "returns the hyperbolic tangent for Complex numbers" do + @object.send(:tanh, Complex(0, CMath::PI)).should be_close(Complex(0.0, -1.22464679914735e-16), TOLERANCE) + @object.send(:tanh, Complex(3, 4)).should be_close(Complex(1.00070953606723, 0.00490825806749599), TOLERANCE) + end +end + +describe :complex_math_tanh_bang, shared: true do + it "returns the hyperbolic tangent of the argument" do + @object.send(:tanh!, 0.0).should == 0.0 + @object.send(:tanh!, -0.0).should == -0.0 + @object.send(:tanh!, infinity_value).should == 1.0 + @object.send(:tanh!, -infinity_value).should == -1.0 + @object.send(:tanh!, 2.5).should be_close(0.98661429815143, TOLERANCE) + @object.send(:tanh!, -4.892).should be_close(-0.999887314427707, TOLERANCE) + end + + it "raises a TypeError when passed a Complex number" do + -> { @object.send(:tanh!, Complex(4, 5)) }.should raise_error(TypeError) + end +end |