title: Is Float.NEGATIVE_INFINITY.compareTo(Float.NEGATIVE_INFINITY) always 0
body: <p>I have a piece of code that sorts objects of type <code>Float</code>. If a <code>Float</code> is null then I assign <code>Float.NEGATIVE_INFINITY</code> to it and then compare. I wonder if 
  <code>Float.NEGATIVE_INFINITY.compareTo(Float.NEGATIVE_INFINITY)</code> always equals to 0</p>
  
  <p>I wrote a test that does this comparisons and it returns 0. But I want to make sure that it always ZERO, knowing how tricky it is to compare floats. </p>