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describe :float_arg, shared: true do
it "returns NaN if NaN" do
f = nan_value
f.send(@method).nan?.should be_true
end
it "returns self if NaN" do
f = nan_value
f.send(@method).should equal(f)
end
it "returns 0 if positive" do
1.0.send(@method).should == 0
end
it "returns 0 if +0.0" do
0.0.send(@method).should == 0
end
it "returns 0 if +Infinity" do
infinity_value.send(@method).should == 0
end
it "returns Pi if negative" do
(-1.0).send(@method).should == Math::PI
end
# This was established in r23960
it "returns Pi if -0.0" do
(-0.0).send(@method).should == Math::PI
end
it "returns Pi if -Infinity" do
(-infinity_value).send(@method).should == Math::PI
end
end
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