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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commit1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/complex/math/shared/acosh.rb
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff)
Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/library/complex/math/shared/acosh.rb')
-rw-r--r--spec/ruby/library/complex/math/shared/acosh.rb37
1 files changed, 37 insertions, 0 deletions
diff --git a/spec/ruby/library/complex/math/shared/acosh.rb b/spec/ruby/library/complex/math/shared/acosh.rb
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+++ b/spec/ruby/library/complex/math/shared/acosh.rb
@@ -0,0 +1,37 @@
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe :complex_math_acosh, shared: true do
+ it "returns the principle value of the inverse hyperbolic cosine of the argument" do
+ @object.send(:acosh, 14.2).should be_close(3.345146999647, TOLERANCE)
+ @object.send(:acosh, 1.0).should be_close(0.0, TOLERANCE)
+ end
+
+ it "returns the principle value of the inverse hyperbolic cosine for numbers less than 1.0 as a Complex number" do
+ @object.send(:acosh, 1.0 - TOLERANCE).should be_close(Complex(0.0, 0.00774598605746135), TOLERANCE)
+ @object.send(:acosh, 0).should be_close(Complex(0.0, 1.5707963267949), TOLERANCE)
+ @object.send(:acosh, -1.0).should be_close(Complex(0.0, 3.14159265358979), TOLERANCE)
+ end
+
+ it "returns the principle value of the inverse hyperbolic cosine for Complex numbers" do
+ @object.send(:acosh, Complex(3, 4))
+ @object.send(:acosh, Complex(3, 4)).imaginary.should be_close(0.93681246115572, TOLERANCE)
+ @object.send(:acosh, Complex(3, 4)).real.should be_close(2.305509031243477, TOLERANCE)
+ end
+end
+
+describe :complex_math_acosh_bang, shared: true do
+ it "returns the principle value of the inverse hyperbolic cosine of the argument" do
+ @object.send(:acosh!, 14.2).should be_close(3.345146999647, TOLERANCE)
+ @object.send(:acosh!, 1.0).should be_close(0.0, TOLERANCE)
+ end
+
+ it "raises Errno::EDOM for numbers less than 1.0" do
+ lambda { @object.send(:acosh!, 1.0 - TOLERANCE) }.should raise_error(Errno::EDOM)
+ lambda { @object.send(:acosh!, 0) }.should raise_error(Errno::EDOM)
+ lambda { @object.send(:acosh!, -1.0) }.should raise_error(Errno::EDOM)
+ end
+
+ it "raises a TypeError when passed a Complex number" do
+ lambda { @object.send(:acosh!, Complex(4, 5)) }.should raise_error(TypeError)
+ end
+end