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Re: [Chicken-users] Different factorial results
From: |
Steve Graham |
Subject: |
Re: [Chicken-users] Different factorial results |
Date: |
Fri, 3 Jun 2011 09:00:19 -0700 (PDT) |
Thanks, Mario. Worked like a charm. Why is that not part of the base package?
Eu morava nos estados de Sao Paolo e Parana desde 1971 a 1973. Eu me gostei
muito desse tempo.
Pardon my portuguese - it's been decades.
Steve
---
--- On Fri, 6/3/11, Mario Domenech Goulart <address@hidden> wrote:
> From: Mario Domenech Goulart <address@hidden>
> Subject: Re: [Chicken-users] Different factorial results
> To: "Steve Graham" <address@hidden>
> Cc: "Chicken-users" <address@hidden>
> Date: Friday, June 3, 2011, 10:36 AM
> Hi Steve,
>
> On Fri, 3 Jun 2011 07:26:58 -0700 (PDT) Steve Graham <address@hidden>
> wrote:
>
> > In running (factorial 50)
> >
> > (define (factorial n) (if (< n 2) 1 (* n (factorial
> (- n 1)))))
> >
> > I found that Chicken Scheme's result differed from
> Petite Chez, Kawa and Gambit. The former gave
> >
> > 3.04140932017134e+064
> >
> > and the latter 3 gave
> >
> >
> 30414093201713378043612608166064768844377641568960512000000000000
> >
> > Why the difference?
>
> It seems that you are not using the numbers egg
> (http://wiki.call-cc.org/egg/numbers).
>
> The full numeric tower support is provided as an
> extension.
>
> Just
>
> $ chicken-install numbers
>
> csi> (use numbers)
> csi> (define (factorial n) (if (< n 2) 1 (* n
> (factorial (- n 1)))))
> csi> (factorial 50)
> 30414093201713378043612608166064768844377641568960512000000000000
>
>
> Best wishes.
> Mario
> --
> http://parenteses.org/mario
>
- [Chicken-users] Different factorial results, Steve Graham, 2011/06/03
- Re: [Chicken-users] Different factorial results, Mario Domenech Goulart, 2011/06/03
- Re: [Chicken-users] Different factorial results,
Steve Graham <=
- Re: [Chicken-users] Different factorial results, John Cowan, 2011/06/03
- Re: [Chicken-users] Different factorial results, Mario Domenech Goulart, 2011/06/03
- Re: [Chicken-users] Different factorial results, Kon Lovett, 2011/06/03
- Re: [Chicken-users] Different factorial results, Peter Bex, 2011/06/03
- Re: [Chicken-users] Different factorial results, Alex Queiroz, 2011/06/03
- Re: [Chicken-users] Different factorial results, Steve Graham, 2011/06/03
- Re: [Chicken-users] Different factorial results, Jim Ursetto, 2011/06/03