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require File.expand_path('../../../../spec_helper', __FILE__)
describe :float_abs, :shared => true do
it "returns the absolute value" do
-99.1.send(@method).should be_close(99.1, TOLERANCE)
4.5.send(@method).should be_close(4.5, TOLERANCE)
0.0.send(@method).should be_close(0.0, TOLERANCE)
end
it "returns 0.0 if -0.0" do
(-0.0).send(@method).should be_positive_zero
end
it "returns Infinity if -Infinity" do
(-infinity_value).send(@method).infinite?.should == 1
end
it "returns NaN if NaN" do
nan_value.send(@method).nan?.should be_true
end
end
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