Bug#856705: graywolf: License violation

[Dima Kogan]

Source: graywolf
Severity: serious

Hi. graywolf is using some numerical routines from numerical recipes. These
are NOT free software and may not be used in a free software project.

For Debian, you can elide these sources. It would also be great if you
talked to upstream so that they stop violating copyrights also.

Look at Ysvd_decompose) in

  src/Ylib/svd.c

A later version of the book chapter this function came from lives here:

  http://numerical.recipes/webnotes/nr3web2.pdf

You can see many similarities. If you look at the older version of the
book, you will see 100% similarities.

The copyright statement is here:

  http://numerical.recipes/public-domain.html

I haven't done a thorough search, and I can imagine the SVD
implementation isn't the only violation here. It would be great if you
looked more thoroughly.

Thanks