# Copyright

If you modify PETSc source code and wish to distributed only binary versions of your changed code (which you can) you must config/configure.py PETSc with the additional flag --with-gnu-copyright-code=0 to prevent violating the GNU copyright which covers a tiny percentage of the code in the PETSc distribution.

COPYRIGHT NOTIFICATION

(C) COPYRIGHT 1995-2004 UNIVERSITY OF CHICAGO

This program discloses material protectable under copyright laws of the United States. Permission to copy and modify this software and its documentation is hereby granted, provided that this notice is retained thereon and on all copies or modifications. The University of Chicago makes no representations as to the suitability and operability of this software for any purpose. It is provided "as is" without express or implied warranty. Permission is hereby granted to use, reproduce, prepare derivative works, and to redistribute to others, so long as this original copyright notice is retained.

Software authors

- Mathematics and Computer Science Division
- Argonne National Laboratory,
- Argonne IL 60439 FAX: (630) 252-5986
- Any questions or comments on the software may be directed to petsc-maint@mcs.anl.gov.

Argonne National Laboratory with facilities in the state of Illinois, is owned by The United States Government, and operated by the University of Chicago under provision of a contract with the Department of Energy.

DISCLAIMER

THIS PROGRAM WAS PREPARED AS AN ACCOUNT OF WORK SPONSORED BY AN AGENCY OF THE UNITED STATES GOVERNMENT. NEITHER THE UNITED STATES GOVERNMENT NOR ANY AGENCY THEREOF, NOR THE UNIVERSITY OF CHICAGO, NOR ANY OF THEIR EMPLOYEES OR OFFICERS, MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LEGAL LIABILITY OR RESPONSIBILITY FOR THE ACCURACY, COMPLETENESS, OR USEFULNESS OF ANY INFORMATION, APPARATUS, PRODUCT, OR PROCESS DISCLOSED, OR REPRESENTS THAT ITS USE WOULD NOT INFRINGE PRIVATELY OWNED RIGHTS. REFERENCE HEREIN TO ANY SPECIFIC COMMERCIAL PRODUCT, PROCESS, OR SERVICE BY TRADE NAME, TRADEMARK, MANUFACTURER, OR OTHERWISE, DOES NOT NECESSARILY CONSTITUTE OR IMPLY ITS ENDORSEMENT, RECOMMENDATION, OR FAVORING BY THE UNITED STATES GOVERNMENT OR ANY AGENCY THEREOF. THE VIEW AND OPINIONS OF AUTHORS EXPRESSED HEREIN DO NOT NECESSARILY STATE OR REFLECT THOSE OF THE UNITED STATES GOVERNMENT OR ANY AGENCY THEREOF.