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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
32 lines
1.4 KiB
Ruby
32 lines
1.4 KiB
Ruby
require File.expand_path('../../fixtures/classes', __FILE__)
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describe :complex_math_tanh, shared: true do
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it "returns the hyperbolic tangent of the argument" do
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@object.send(:tanh, 0.0).should == 0.0
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@object.send(:tanh, -0.0).should == -0.0
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@object.send(:tanh, infinity_value).should == 1.0
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@object.send(:tanh, -infinity_value).should == -1.0
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@object.send(:tanh, 2.5).should be_close(0.98661429815143, TOLERANCE)
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@object.send(:tanh, -4.892).should be_close(-0.999887314427707, TOLERANCE)
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end
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it "returns the hyperbolic tangent for Complex numbers" do
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@object.send(:tanh, Complex(0, CMath::PI)).should be_close(Complex(0.0, -1.22464679914735e-16), TOLERANCE)
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@object.send(:tanh, Complex(3, 4)).should be_close(Complex(1.00070953606723, 0.00490825806749599), TOLERANCE)
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end
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end
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describe :complex_math_tanh_bang, shared: true do
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it "returns the hyperbolic tangent of the argument" do
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@object.send(:tanh!, 0.0).should == 0.0
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@object.send(:tanh!, -0.0).should == -0.0
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@object.send(:tanh!, infinity_value).should == 1.0
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@object.send(:tanh!, -infinity_value).should == -1.0
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@object.send(:tanh!, 2.5).should be_close(0.98661429815143, TOLERANCE)
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@object.send(:tanh!, -4.892).should be_close(-0.999887314427707, TOLERANCE)
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end
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it "raises a TypeError when passed a Complex number" do
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lambda { @object.send(:tanh!, Complex(4, 5)) }.should raise_error(TypeError)
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end
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end
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