David Fetter wrote:
On Fri, Oct 30, 2009 at 08:51:57PM -0700, John R Pierce wrote:
Tom Lane wrote:
There is special-purpose software out there that can compute
exactly with rational numbers, but you aren't likely to find it
embedded in any general-purpose tools like databases --- the
use-case just isn't wide enough. One reason why not is that it'll
still fall down on irrational numbers.
<nit>
1/3 is a rational number. however, it is a repeating fraction when
expressed in decimal.
</nit>
<nit level="2">
The set of algebraic numbers, of which rational numbers are a proper
subset, is countable and hence has Lebesgue measure zero on the real
line.
</nit> ;)
LOL - fortunately (going by the bug) he is not trying to compute a
measure (i.e integrate) from a set of 'em.
Mark
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