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bertini_real_license.txt
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bertini_real_license.txt
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Bertini Real(TM) version 1.0-1.4
Authors: D.A. Brake, D. Bates, J. Hauenstein,
W. Hao, A. Sommese, and C. Wampler
http://bertinireal.com
Copyright (C) 2014-17
*NOTICE*
This program is free software in that it is free to download (as source code or as a binary)
and free to use on the computer(s) to which it was downloaded. However, there are several
restrictions on its redistribution and its use in other programs, as indicated below.
The Bertini software package, on which Bertini Real depends, has its own copyright and license.
0. Definitions
"The Program" refers to any copyrightable work licensed under this license. Each licensee
is addressed as "you" and may be any individual or an organization.
"Bertini real" refers to two executables, 'bertini_real' and 'sampler', and all source code for each.
To "modify" a work means to copy from or adapt all or part of the work in a fashion requiring
copyright permission, other than the making of an exact copy. The resulting work is called a
"modified version" of the earlier work or a work "based on" the earlier work.
To "propagate" a work means to do anything with it that, without permission, would make you
directly or secondarily liable for infringement under applicable copyright law, except executing
it on a computer or modifying a private copy. Propagation includes copying, distribution (with or
without modification), or making available to the public.
To "convey" a work means any kind of propagation that enables other parties to make or receive
copies. Mere interaction with a user through a computer network, with no transfer of a copy, is
not conveying.
A "Standard Interface" means an interface that either is an official standard defined by a
recognized standards body, or, in the case of interfaces specified for a particular programming
language, one that is widely used among developers working in that language.
A "covered work" means any work that in any way makes use of any part of the Program. This
includes, but is not restricted to, software that makes calls to any part of the Bertini Real
software package, in any form.
1. Basic Permissions.
All rights granted under this License are granted for the term of copyright on the Program,
and are irrevocable provided the stated conditions are met. This License explicitly affirms
your unlimited permission to run the unmodified Program.
2. Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source code as you receive it, in any
medium, provided that you conspicuously and appropriately publish on each copy an appropriate
copyright notice; keep intact all notices stating that this License applies to the Program;
keep intact all notices of the absence of any warranty; and give all recipients a copy of
this License along with the Program.
You may not charge a fee for any copy that you convey, and you may not offer support or
warranty protection for a fee.
3. Conveying Modified Versions.
You may modify the Program for your private use only. You may not convey, in any manner, a
modified version of the Program without written consent of all Authors of the Program.
4. Conveying Covered Work.
The Program may be used in covered work. However, the following must be
displayed in the Standard Interface of the covered work:
Bertini Real(TM) version 1.0
Authors: D.A. Brake, D. Bates, J. Hauenstein,
W. Hao, A. Sommese, and C. Wampler
Copyright (C) 2015
Furthermore, if a covered work is conveyed, a verbatim copy of the Program's
source code must be conveyed simultaneously, as described in Section 2 of this License.
You may not charge a fee for any copy of any covered work without the written permission of
all Authors of the Program.
5. Termination.
You may not propagate, modify, or convey a covered work except as expressly provided under
this License. Any attempt otherwise to propagate, modify, or convey it will automatically
terminate your rights under this License.
6. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or otherwise) that
contradict the conditions of this License, they do not excuse you from the conditions of this
License. If you cannot convey a covered work so as to satisfy simultaneously your obligations
under this License and any other pertinent obligations, then as a consequence you may not
convey it at all.
7. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAWS,
EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS
AND/OR OTHER PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND,
EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE
RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
8. Limitation of Liability
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAWS, OR AGREED TO
IN WRITING, WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE
PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL,
INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE
OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH
ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
9. Interpretation of Sections 7 and 8.
If the disclaimer of warranty and limitation of liability provided above cannot be given local
legal effect according to their terms, reviewing courts shall apply local law that most closely
approximates an absolute waiver of all civil liability in connection with the Program, unless a
warranty or assumption of liability accompanies a copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
In addition to the stated license, we ask that any publications which made use of Bertini Real,
directly or indirectly via a covered work, include an appropriate citation to Bertini Real, as
stipulated on the Bertini Real website.
Acknowledgements
================
The Authors would like to express our gratitude for the financial support of the National
Science Foundation.
Any opinions, findings, and conclusions or recommendations expressed in this material are
those of the Authors and do not necessarily reflect those of the National Science Foundation.