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Topic: Could 0^0=0? Maybe!
Replies: 10   Last Post: Sep 27, 2013 7:54 PM

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Dan Christensen

Posts: 2,500
Registered: 7/9/08
Re: Could 0^0=0? Maybe!
Posted: Sep 26, 2013 10:29 AM
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On Thursday, September 26, 2013 5:10:54 AM UTC-4, Richard Tobin wrote:
> In article <b63a9e66-57b3-45f7-a1b6-5adcd9700978@googlegroups.com>,
>
> Dan Christensen <Dan_Christensen@sympatico.ca> wrote:
>
>
>

> >Many designers of programming languages assume that 0^0=1.
>
>
>
> Do you have any evidence that they "assume" this, rather than
>
> investigating it and making a reasoned decision?
>
>
>
> Designers of current programming languages may follow IEEE 754, which
>
> defines three power functions. pown(x,y) is defined for integral exponents
>
> only, and has pown(0,0) = 1, which avoids many special cases. powr(x,y)
>
> is defined as exp(y log(x)) so naturally has powr(0,0) raise an
>
> exception. The generic pow(x,y) has pow(0,0) = 1.
>


I have been looking for some kind of international standards organization that deals with such matters. Thanks.

Dan
Download my DC Proof 2.0 software at http://www.dcproof.com









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