On 2012-12-03, Henry Baker <hbaker1 at pipeline.com> wrote:
> More succinctly, -0.0 violates the concept of "referential
> transparency"; i.e., the ability to substitute equals for equals.
I agree that signed zero is algebraically strange, and also that it
might be useful in some contexts. But that general discussion is beyond
consideration, so long as we remain within the scope of portable Common
Lisp code.
best
Robert Dodier