Computer Zero, Inf, Epsilon



Hello!

Does anybody know how can I calculate Computer Zero, Computer Infinity
and Computer Epsilon in Maxima?

About this values:

1) Computer Zero: X(0)=2^(-m), where m - minimum natural number, when
2^(-m) = 0

I get such results:

(%i50) 2^(-1022),numer;
(%o50)                       2.2250738585072E-308
(%i51) 2^(-1023),numer;
(%o51)                                0.0

So, X(0)=2.2250738585072E-308 --- is _my_ Comp. Zero;

2) Computer Infinity: X(inf)=2^(m), where m - minimum natural number,
when overflow --- I havn't any assumption;

3) Computer Epsilon: e(M)=2^(-k), where k - minimum natural number, when
(1+2^(-k)) = 1 --- no my assumption.

My versions:
Maxima 5.12.99rc1 http://maxima.sourceforge.net
Using Lisp CLISP 2.41 (2006-10-13)

Thanks a lot.
-- 
Mansur Marvanov <nanorobocop at gmail.com>