Re: Integer patch

[Gavin Wraith <gavin@...>]

In message <436dcc63d0a64b9ce682e7d846b8c149@pobox.com> you wrote:

> 
> On Apr 06, 2006, at 12:12, Gavin Wraith wrote:
> 
> > Thanks to all for the well intentioned advice about Asko
> > Kauppi's Integer patch. Unfortunately it has exactly the wrong
> > behaviour for my purposes. My OS assumes 32-bit integers with
> > no overflow behaviour. -1 must be the same as 0xffffffff, for
> > example. #defining LUA_NUMBER to int solves the problems of
> > calling OS routines at a stroke, but leaves me with no
> > floats. Lisa Parratt has confirmed what I was coming to suspect,
> > that major recoding is necessary to have two numeric types.
> > It is probably not worth the effort. I did use the mapm library
> > to implement bignums at one stage, but again it was not really
> > worth the candle.
> 
> Is userdata (boxed 32-bit unsigned ints, yay!) too slow or too 
> cumbersome for your requirements?

Yes. 98% of my arithmetic usage is integer. I would rather not have
the tail wag the dog.

-- 
Gavin Wraith (gavin@wra1th.plus.com)
Home page: http://www.wra1th.plus.com/