William Stein wrote:
> On Thu, Feb 19, 2009 at 9:50 PM, Nick Alexander <ncalexan...@gmail.com> wrote:
>> Hi,
>>
>> The following is the BSD-like license of some MPFR cholesky
>> decomposition code I might like to use.  Is this sage-able?
>>
>> Nick
> 
> It doesn't raise any red flags for me.  I do wonder -- precisely how
> does it differ from the BSD license?


After ignoring whitespace, the changes from the BSD license listed at 
http://www.opensource.org/licenses/bsd-license.php are marked with ** 
and footnoted:

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

- Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.

- Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer ***listed
    in this license**[1] in the documentation and/or other materials 
provided
    with the distribution.

- Neither the name of the **copyright holders**[2] nor the names of its
    contributors may be used to endorse or promote products derived from
    this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


[1] Omitted in BSD license
[2] BSD license says "<ORGANIZATION>"


So it looks like this is a BSD license for all intents and purposes.

Jason


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