[MacPerl] Re: Data sizes

[Matthias Ulrich Neeracher <neeri@iis.ee.ethz.ch>]

gasster@pacificnet.net writes:
>I have been trying to determine the default sizes for
>numerical data in Perl.  I have MacPerl 5.07r1m on a Quadra 650.
>
>I would have thought the following:
>
>ints would be the same as a Long (4 bytes) by default?

Yes.

>But some simple tests don't seem to cause any overflow problems.

That's because Perl tries to switch to floats when necessary (but not 
always successfully).

>Bottom line:
>What are the largest ints and floats you can represent in Perl 

Ints:   -2^31 .. 2^31-1
Floats: roughly -10^308 .. 10^308, with about 15 decimal digits of accuracy

Matthias

-----
Matthias Neeracher   <neeri@iis.ee.ethz.ch>   http://www.iis.ee.ethz.ch/~neeri
   "One fine day in my odd past..." -- Pixies, _Planet of Sound_