On 24 October 2012 23:34, Steven G. Johnson <stev...@alum.mit.edu> wrote:
> Hi all, in case there is interest I wanted to let you know that I've
> written a free complex-argument error function in C++ with an Octave
> wrapper at:
>
>         http://ab-initio.mit.edu/wiki/index.php/Faddeeva_w

Thanks. This belongs in core Octave since that's where the current
implementation of erf and friends is. I would need to modify your
source to fit our style. Besides stylistic issues, there's also the
issue that it should not be a dynamically loaded function, but
built-in, so your wrapper needs to be rewritten. I am happy to do this
myself. Do you have a DVCS somewhere, preferrably Mercurial, where we
could keep your style on one branch and ours in another? Hopefully you
plan to keep working on this function, so it's worthwhile to version
your code. If you don't already have a repository set up, I would be
most pleased to get you started with Mercurial.

Do you recommend replacing the current implementation of erf for real
arguments with your implementation? Currently for real arguments we
rely on the C library's math.h implementation, and for complex
arguments we error out.

Thanks,
- Jordi G. H.

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