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Re: Fwd: Re: double == double

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Eric Sosman <esosman@comcast-dot-net.invalid> writes:
> On 10/19/2016 1:39 PM, Michael Jung wrote:
>> Eric Sosman <esosman@comcast-dot-net.invalid> writes:
>>> On 10/19/2016 9:03 AM, Mike Amling wrote:
[...]

max has the weird distinction between +0, -0, min doesn't, now that's
weird.

>     (A final point: All this argument over the sign of nothing leaves
> me, I confess, a bit perplexed.  However, those with more numerical
> sophistication find the distinction between +0 and -0 to be of great
> practical importance.  William Kahan is particularly vehement on the
> topic; look for his presentation titled "Branch Cuts for Complex
> Elementary Functions or Much Ado About Nothing's Sign Bit," and
> bring more mathematical prowess to your reading than I can. :)

max is not a complex elementary function. sin would be, but I doubt sin
makes the distinction of +0 and -0 (in fact, it looks like this is OS
dependent).

Michael

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Fwd: Re: double == double Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-10-19 17:10 -0400
  Re: Fwd: Re: double == double Arne Vajhøj <arne@vajhoej.dk> - 2016-10-19 21:30 -0400
    Re: Fwd: Re: double == double Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-10-20 07:54 -0400
  Re: Fwd: Re: double == double Michael Jung <miju@golem.phantasia.org> - 2016-10-20 20:59 +0200
    Re: Fwd: Re: double == double Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-10-20 15:37 -0400
      Re: Fwd: Re: double == double Michael Jung <miju@golem.phantasia.org> - 2016-10-21 19:53 +0200

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