describe "Float#-@" do
  it "negates self" do
    (2.221.send(:-@)).should be_close(-2.221, TOLERANCE)
    -2.01.should be_close(-2.01,TOLERANCE)
    -2_455_999_221.5512.should be_close(-2455999221.5512, TOLERANCE)
    (--5.5).should be_close(5.5, TOLERANCE)
    -8.551.send(:-@).should be_close(8.551, TOLERANCE)
  end
end
