Re: Fwd: Removing files completely from cvs

["Mark R. Diggory" <md...@latte.harvard.edu>]

Yes, I see no reason reason to remove them if its the algorithm, and not 
any code that was cited.

-Mark

Noel J. Bergman wrote:

> http://nagoya.apache.org/eyebrowse/ReadMsg?listName=commons-dev@jakarta.apac
> he.org&msgId=1639175
> 
> 
>>I am removing the files as we investigate. I will post updates here.
> 
> 
> I'm not seeing the problem.  The NormalCDFPreciseAlgorithm source code says:
> 
>  Implements Cody algorithm to calculate CDF (cumulative distribution
>  function) for Normal (Gauss) distribution.  Provided implementation
>  is adapted from http://www.r-project.org/ function pnorm(...)
> 
>  References:
>    Cody's algorithm: Cody, W. D. (1993).
>    http://www.acm.org/toms/cgi-bin/TOMSbibget?Cody:1993:ASE
>    ALGORITHM 715: SPECFUN - A Portable FORTRAN Package of
>       Special Function Routines and Test Drivers".
>       ACM Transactions on Mathematical Software. 19, 22-32</a>.
>       FORTRAN code is available at href="http://www.netlib.org/toms/715
> 
> Neither of the two referenced packages is written in Java.  The code uses
> algorithms, but did not copy code.  Similarly for NormalCDFFastAlgorithm,
> which says:
> 
>  Implements Hill algorithm to calculate CDF (cumulative distribution
>  function) for Normal (Gauss) distribution.
> 
>  References:
>   I. D. Hill, Applied Statistics, http://lib.stat.cmu.edu/apstat/66
> 
> Again, algorithms and code are two different things.  So what's the problem?
> IANAL, but I don't see a reason to remove these files.
> 
> 	--- Noel
> 

-- 
Mark Diggory
Software Developer
Harvard MIT Data Center
http://www.hmdc.harvard.edu

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