The question reminded me of a passage in Plauger's *The Standard C Library*
"The library [math.h] doesn't try to distinguish +0 from -0. IEEE 754
a bit about this distinction. All the architectures I mentioned above can
both flavors of zero. But I have trouble accepting (or even
rationale for this extra complexity. I can sympathize with recent
critiques of the
IEEE 754 Standard that challenge that rationale. Most of all, I found the
quite hard enough to write without fretting about the sign of nothing."
On Monday, February 5, 2018 at 5:42:00 PM UTC-6, David K. Storrs wrote:
> I noticed that (number->string -nan.0) yields "+nan.0" instead of "-nan.0"
> as I would have expected. It's not an issue for me, but I was wondering
> why this is?
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