On Fri, Jun 14, 2019 at 7:16 AM R Smith <[email protected]> wrote:
> > What I was objecting to, is claiming (in service of suggesting the > use-case for -0.0), [...] > > I'll be happy to eat my words if someone can produce a mathematical > paper that argued for the inclusion of -0.0 in IEEE754 to serve a > mathematical concept. It's a fault, not a feature. > David Goldberg's classic paper "What Every Computer Scientist Should Know About Floating-Point Arithmetic" has a section on this topic, 2.2.3 Slgned Zero, with a few use cases. W. Kahan's early papers on standardizing floating point uses the term "affine mode" to describe when signed zeros and infinities matter (as opposed to "projective mode"). E.g., ON A PROPOSED FLOATING-POINT STANDARD W. Kahan University of California, Berkeley J. Palmer INTEL Corporation, Aloha, Oregon October 1, 1979 e _______________________________________________ sqlite-users mailing list [email protected] http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
