Re: gawk bug in exponentiation

[Aharon Robbins]

Greetings. Re this:

In article <address@hidden> you write:
>-=-=-=-=-=-
>
>On Tue, Jun 14, 2005 at 08:43:46AM -0400, Andrew J. Schorr wrote:
>> But beyond that, I think there are 2 issues here: 1. the same function should
>> be used in both places; and 2. the exponentiation algorithm is not very good,
>> instead exponentiation by squaring should be used:
>> 
>>    http://en.wikipedia.org/wiki/Exponentiation_by_squaring
>
>Give the attached patch a try.  It uses exponentiation by squaring for
>all integral exponents.  And it does so without recursion.
>
>Regards,
>Andy

I've applied the patch, after some minor edits.  In the future, please
also supply a ChangeLog entry with your patches; that makes my life
easier.

Thanks!

Thanks also to John for pointing out the bug in the first place.

Arnold
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