[racket] What is inexactness about?

On Wed, Sep 01, 2010 at 12:15:27PM -0700, Joe Marshall wrote:
> On Wed, Sep 1, 2010 at 6:40 AM, Stephen Bloch <sbloch at adelphi.edu> wrote:
> > On Sep 1, 2010, at 9:29 AM, Matthias Felleisen wrote:
> >
> >> The #i indicates inexactness as far as computer arithmetic is concerned, that is, what the so-called 'machine' level arithmetic supplies.
> >
> > And yet Scheme/Racket allows for inexact integers, whereas no computer I know of has an inexact integer type supported at the machine level.
> 
> Huh?  Any integer between -2^53 and 2^53 can be represented by a
> double-precision float.

And others can be represented approximately by a double-precision float.

-- hendrik