[r6rs-discuss] [Formal] NaN is not a real number.

From: David Cuthbert <dacut>
Date: Wed Sep 20 16:29:17 2006

Aubrey Jaffer wrote:
> +inf.0 and -inf.0 are real numbers because they are part of the total
> ordering of that subset of the real numbers represented in Scheme.

There is also a concept of complex infinity (infinite magnitude,
indeterminate argument). For completeness, if NaN were to become a
complex number, there should be a concept of complex infinity (separate
from the two real infinities, though).
Received on Wed Sep 20 2006 - 16:28:45 UTC