# Copying

### INTRODUCTION

The real-space TDDFT code octopus (“octopus”) is provided under the GNU General Public License (“GPL”), Version 2, with exceptions for external libraries that are contained solely for convenience in this distribution.

You can find a copy of the GPL license [http://www.gnu.org/copyleft/gpl.html here. ]

Octopus provides several external libraries, which are located in the “external_libs” subdirectory of the octopus source distribution. The GNU General Public License does not apply to these libraries. Separate copyright notices can be found for each library in the respective subdirectories of “external_libs”. Copyright notices are also contained in this document.

Currently the following external libraries are provided:

### Metis 4.0

The ParMETIS/METIS package is copyrighted by the Regents of the University of Minnesota. It can be freely used for educational and research purposes by non-profit institutions and US government agencies only. Other organizations are allowed to use ParMETIS/METIS only for evaluation purposes, and any further uses will require prior approval. The software may not be sold or redistributed without prior approval. One may make copies of the software for their use provided that the copies, are not sold or distributed, are used under the same terms and conditions.

As unestablished research software, this code is provided on an as is'' basis without warranty of any kind, either expressed or implied. The downloading, or executing any part of this software constitutes an implicit agreement to these terms. These terms and conditions are subject to change at any time without prior notice.

### qshep

*Robert Renka *University of North Texas *(817) 565-2767

[http://www.acm.org/pubs/toc/CRnotice.html]

Copyright (c) 1998 Association for Computing Machinery, Inc. Permission to include in application software or to make digital or hard copies of part or all of this work is subject to the following licensing agreement.

All software, both binary and source published by the Association for Computing Machinery (hereafter, Software) is copyrighted by the Association (hereafter, ACM) and ownership of all right, title and interest in and to the Software remains with ACM. By using or copying the Software, User agrees to abide by the terms of this Agreement.

Noncommercial Use

The ACM grants to you (hereafter, User) a royalty-free, nonexclusive right to execute, copy, modify and distribute both the binary and source code solely for academic, research and other similar noncommercial uses, subject to the following conditions:

1. User acknowledges that the Software is still in the development stage and that it is being supplied “as is,” without any support services from ACM. Neither ACM nor the author makes any representations or warranties, express or implied, including, without limitation, any representations or warranties of the merchantability or fitness for any particular purpose, or that the application of the software, will not infringe on any patents or other proprietary rights of others.

2. ACM shall not be held liable for direct, indirect, incidental or consequential damages arising from any claim by User or any third party with respect to uses allowed under this Agreement, or from any use of the Software.

3. User agrees to fully indemnify and hold harmless ACM and/or the author(s) of the original work from and against any and all claims, demands, suits, losses, damages, costs and expenses arising out of the User’s use of the Software, including, without limitation, arising out of the User’s modification of the Software.

4. User may modify the Software and distribute that modified work to third parties provided that: (a) if posted separately, it clearly acknowledges that it contains material copyrighted by ACM (b) no charge is associated with such copies, (c) User agrees to notify ACM and the Author(s) of the distribution, and (d) User clearly notifies secondary users that such modified work is not the original Software.

5. User agrees that ACM, the authors of the original work and others may enjoy a royalty-free, non-exclusive license to use, copy, modify and redistribute these modifications to the Software made by the User and distributed to third parties as a derivative work under this agreement.

6. This agreement will terminate immediately upon User’s breach of, or non-compliance with, any of its terms. User may be held liable for any copyright infringement or the infringement of any other proprietary rights in the Software that is caused or facilitated by the User’s failure to abide by the terms of this agreement.

7. This agreement will be construed and enforced in accordance with the law of the state of New York applicable to contracts performed entirely within the State. The parties irrevocably consent to the exclusive jurisdiction of the state or federal courts located in the City of New York for all disputes concerning this agreement.

Commercial Use

Any User wishing to make a commercial use of the Software must contact ACM at permissions@acm.org to arrange an appropriate license. Commercial use includes (1) integrating or incorporating all or part of the source code into a product for sale or license by, or on behalf of, User to third parties, or (2) distribution of the binary or source code to third parties for use with a commercial product sold or licensed by, or on behalf of, User.

Revised 6/98