Toppling the numeric tower

[David Eppstein]

In article <3b6174fa.1981112 at nntp.sprynet.com>,
 ullrich at math.okstate.edu (David C. Ullrich) wrote:

> About whether isintegral should imply isexact: I dunno much 
> algebra. For the flavors of "algebraic integer" that seem dimly
> familiar it seems like one could give an exact representation.
> Is this true?

Yes, but we've seen convincing arguments earlier in this thread that
isintegral() should be true only for members of Z, not for algebraic 
integers.
-- 
David Eppstein       UC Irvine Dept. of Information & Computer Science
eppstein at ics.uci.edu http://www.ics.uci.edu/~eppstein/