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Blitz Devel : |
From: Todd Veldhuizen (tveldhui_at_[hidden])
Date: 1998-08-11 19:07:16
Kevin Jacobs has suggested a license based on the Perl ``Artistic
License''. I've made some changes and am basically happy with
the version below.
I removed this clause:
6. Aggregation of this Library with a commercial distribution is
permitted provided that the use of this Library is embedded; that
is, when no overt attempt is made to make this Library's interfaces
visible to the end user of the commercial distribution. Such use
shall not be construed as a distribution of this Library.
[ie. A dynamic compilation enviornment that uses Blitz++ at runtime
as an internal library to compile machine generated code.]
because I'd worry that a commercial math library could be implemented
as a very thin layer on top of blitz, and marketed to the unsuspecting
public. If someone wants to do what Kevin suggests in []'s, they
can make arrangements (clause 2).
Any objections or comments?
The ``Blitz++ Artistic License''
(with thanks and apologies to authors of the Perl Artistic License)
Preamble
The intent of this document is to state the conditions under which
Blitz++ may be copied, such that the authors maintains some
semblance of artistic control over the development of the package,
while giving the users of the package the right to use and
distribute Blitz++ in a more-or-less customary fashion, plus the
right to make reasonable modifications.
Definitions
``Library'' refers to the collection of files distributed by the
Copyright Holder, and derivatives of that collection of files
created through textual modification.
``Standard Version'' refers to such a Library if it has not been
modified, or has been modified in accordance with the wishes of the
Copyright Holder as specified below.
`Copyright Holder'' is whoever is named in the copyright or
copyrights for the package.
``You'' is you, if you're thinking about copying, modifying or
distributing this Library.
``Freely Available'' means that no fee is charged for the item.
It also means that recipients of the item may redistribute it
under the same conditions they received it.
1. You may make and give away verbatim copies of the source form of the
Standard Version of this Library without restriction, provided that
you duplicate all of the original copyright notices, this license,
and associated disclaimers.
2. You may not charge a fee for distributing the Library
(or portions of it) in source code form without specific prior
written permission of the Copyright Holder.
3. You may apply bug fixes, portability fixes and other modifications
derived from the Public Domain or from the Copyright Holder. A
Library modified in such a way shall still be considered the
Standard Version.
4. You may otherwise modify your copy of this Library in any way,
provided that you insert a prominent notice in each changed file
stating how and when you changed that file, and provided that you do
at least ONE of the following:
a. place your modifications in the Public Domain or otherwise
make them Freely Available, such as by posting said
modifications to the Blitz++ development list,
and allowing the Copyright Holder to include
your modifications in the Standard Version of the Library.
b. use the modified Library only within your corporation or
organization.
c. make other distribution arrangements with the Copyright
Holder.
5. You may distribute programs which use this Library
in object code or executable form without restriction.
6. Any object code generated by this Library does not
automatically fall under the copyright of this Library, but
belongs to whomever generated it, and may be sold commercially.
7. The name of the Copyright Holder or the Library may not be used to
endorse or promote products derived from this software without
specific prior written permission.
8. THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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