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Re: gawk bug in exponentiation
From: |
John H. DuBois III |
Subject: |
Re: gawk bug in exponentiation |
Date: |
Tue, 14 Jun 2005 17:10:11 -0700 |
User-agent: |
Mutt/1.3.28i |
Looks good - in all of the tests I've run it works perfectly!
John
On Tue, Jun 14, 2005 at 09:43:00AM -0400, Andrew J. Schorr wrote:
> 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
--
John DuBois address@hidden KC6QKZ/AE http://www.armory.com/~spcecdt/
- gawk bug, John H. DuBois III, 2005/06/14