This document is distributed in the compressed archive named "wep_code.tar.gz".

The code that follows with this is the code from the article:
"Sylvester-based preconditioning for the waveguide eigenvalue problem",
Emil Ringh, Giampaolo Mele, Johan Karlsson, Elias Jarlebring.
If you use the code in your work, please cite this article.

The code is published to improve reproducability, and is free to use.
However, the code comes with no waranty an no guarantee. The authors 
has no responsability for outcomes from the ussage of this code
Use at your own risk.

Stockholm, October, 2016.
