>>>>> "Richard" == Richard Fateman <fateman@cs.berkeley.edu> writes:
Richard> infinity. It also has signed zero, which we don't have in CL
Richard> either... the signed infinities
Richard> really are 1/(signed zeroes)... On the other hand, we allow for limits
CL also doesn't disallow signed (floating-point) zeroes and even
mentions it in several sections. FWIW, CMUCL and SBCL support signed
zeroes and try pretty hard to do the right thing with them. These
also "support" double-float-positive-infinity,
double-float-negative-infinity, etc.
Ray