Paul Rubin wrote: > Scott David Daniels <[EMAIL PROTECTED]> writes: > >>>Negative 0 isn't a NaN, it's just negative 0. >> >>Right, but it is hard to construct in standard C. > > > Huh? It's just a hex constant. Well, -0.0 doesn't work, and (double)0x80000000 doesn't work, and.... I think you have to use quirks of a compiler to create it. And I don't know how to test for it either, x < 0.0 is not necessarily true for negative 0.
I am not trying to say there is no way to do this. I am trying to say it takes thought and effort on every detail, in the definition, implementations, and unit tests. --Scott David Daniels [EMAIL PROTECTED] -- http://mail.python.org/mailman/listinfo/python-list
