Re: [Chicken-hackers] numerator/denominator

[Elf]

rational? always returns true for all numbers.

-elf

On Tue, 4 Aug 2009, Thomas Bushnell BSG wrote:

> On Tue, 2009-08-04 at 10:17 -0700, Elf wrote:
> > chicken doesn't have rationals.
>
> (rational? 2/3) => #t
> (rational? 37287.2983) => #t
>
> Perhaps you are thinking of this, which means something entirely
> different?
>
> (exact? 2/3) => #f
> (exact? 37287.2983) => #f
>
> Why say 'chicken doesn't have rationals', when it has a perfectly
> satisfactory implementation of rationals, that is 100% standard
> compliant except for three easy-to-write functions being missing?
>
> What it doesn't have is *exact* rationals.
>
> Thomas