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*To*: John Cowan <cowan@x>*Subject*: Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0*From*: Alex Shinn <alexshinn@x>*Date*: Sat, 22 Dec 2012 11:44:48 +0900*Cc*: scheme-reports <scheme-reports@x>*In-reply-to*: <20121222024255.GH8521@mercury.ccil.org>*References*: <87bodu4r0r.fsf@tines.lan> <20121216041031.GE10312@mercury.ccil.org> <87pq25yh5s.fsf@tines.lan> <20121219221955.GH4477@mercury.ccil.org> <87d2y5y6fb.fsf@tines.lan> <20121221055315.GB28661@mercury.ccil.org> <87y5grsrvm.fsf@tines.lan> <CAMMPzYMQVzkQFLsgcYAWZaFO__Y13T_kOXD+CrLqVXPQOcjXGw@mail.gmail.com> <20121221171601.GC23915@mercury.ccil.org> <CAMMPzYO5m64sWGQT2b7SSPbm=zRbVT4oEx8E-DoLLATNZxtj_w@mail.gmail.com> <20121222024255.GH8521@mercury.ccil.org>

On Sat, Dec 22, 2012 at 11:42 AM, John Cowan <cowan@x> wrote:

Alex Shinn scripsit:

In that case, what is the reciprocal of negative infinity?

> Yes, the intention is to catch overflow as well, though infinity is a

> useful numerical concept and I have no intention to remove those values.

Zero, of course. And the reciprocal of zero is an exception.

> I think any slow-down is better than giving the wrong answer,That's what exact arithmetic is for.

Exact arithmetic can run out of memory.

--

Alex

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**Follow-Ups**:**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*Mark H Weaver <mhw@x>

**References**:**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*Mark H Weaver <mhw@x>

**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*John Cowan <cowan@x>

**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*Mark H Weaver <mhw@x>

**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*John Cowan <cowan@x>

**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*Mark H Weaver <mhw@x>

**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*John Cowan <cowan@x>

**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*Mark H Weaver <mhw@x>

**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*Alex Shinn <alexshinn@x>

**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*John Cowan <cowan@x>

**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*Alex Shinn <alexshinn@x>

**Re: [Scheme-reports] Strong win later reversed: Real numbers have imaginary part #e0***From:*John Cowan <cowan@x>

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