No, you do. If a Schemer writes (/ 1.0 -0.0) the result must be -inf.0, not +inf.0. But that fact leads to a better way to compile a negative zero into C: (1.0 / (-INFINITY)). No unions needed.
On Thu, Jun 27, 2019 at 6:50 PM Evan Hanson <ev...@foldling.org> wrote: > Hi John, > > On 2019-06-27 18:28, John Cowan wrote: > > Don't forget to cast them to double, however. > > Good point. Updated version attached. > > > To get a negative zero you need an initialized global variable: > > I'm not sure we need a negative zero here, do we? > > Evan >
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