Re: rational arithmetic library?

taltman_at_noshpam.lbl.government
Date: 02/25/04 

Date: Wed, 25 Feb 2004 12:49:15 -0800

taltman@noshpam.lbl.government writes:

> I took a second look at R5RS, and I realized my confusion; I guess my
> current implementation-of-choice, Guile, doesn't support 'numerator',
> 'denominator', or 'rationalize'! So I tried some others:
>
> *DrScheme: yes
> *Guile: no
> *Chicken: no
> *Bigloo: yes
> *Scheme48/Scsh: yes
> *SCM: no

I made a mistake: Bigloo does not support rationals:

1:=> rationalize

*** ERROR:bigloo:eval:
Unbound variable -- rationalize
#unspecified
1:=> numerator

*** ERROR:bigloo:eval:
Unbound variable -- numerator
#unspecified
1:=> denominator

*** ERROR:bigloo:eval:
Unbound variable -- denominator
#unspecified
1:=> (/ 10 3)
3.3333333333333
1:=> (/ 1111111111111111111 999999999999999999999999)

*** ERROR:bigloo:/:
not a number -- #l1111111111111111111
#unspecified 

---
~T

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