Re: Recommendation: "What Every Computer Scientist Should Know About Floating-Point Arithmetic"

On Friday 05 Feb 2010 23:51:59 Chen Shapira wrote:
> The specific bug you refer to (error when attempting to calculate linear
> regression slope where y=0.74) is not impossible to solve - R for example
> will not give you an error.
> 

What are you talking about?

> Did you study Numerical Methods? There are many techniques for improving
> accuracy during calculations that involve floating point numbers.
> 

I did not study numerical methods.

And please don't top-post.

Regards,

	Shlomi Fish


> Chen
> 
> On Fri, Feb 5, 2010 at 1:40 PM, Shlomi Fish <shlomif-ik1l9ssToec+JF/[email protected]> wrote:
> > Hi all!
> > 
> > I've read the following paper and can recommend it:
> > 
> > http://docs.sun.com/source/806-3568/ncg_goldberg.html
> > 
> > "What Every Computer Scientist Should Know About Floating-Point
> > Arithmetic"
> > 
> > It's a bit long, but not too long, and it's also enlightening. I've been
> > getting quite a lot of requests for help and bug reports about problems
> > induced by floating point issues while maintaining the following CPAN
> > module:
> > 
> > http://search.cpan.org/dist/Statistics-Descriptive/
> > 
> > This article explains why people should not expect the impossible out of
> > code
> > like that.
> > 
> > Regards,
> > 
> > Shlomi Fish
> > 
> > --
> > ----------------------------------------------------------
> > Shlomi Fish http://www.shlomifish.org/
> > Why I Love Perl - http://shlom.in/joy-of-perl
> > 
> > Deletionists delete Wikipedia articles that they consider lame.
> > Chuck Norris deletes deletionists whom he considers lame.
> > 
> > Please reply to list if it's a mailing list post - http://shlom.in/reply

-- 
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Shlomi Fish       http://www.shlomifish.org/
Rethinking CPAN - http://shlom.in/rethinking-cpan

Deletionists delete Wikipedia articles that they consider lame.
Chuck Norris deletes deletionists whom he considers lame.

Please reply to list if it's a mailing list post - http://shlom.in/reply .


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