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Re: [Help-gsl] Continuous Time Solver


From: Brian Gough
Subject: Re: [Help-gsl] Continuous Time Solver
Date: Fri, 18 Dec 2009 21:33:56 +0000
User-agent: Wanderlust/2.14.0 (Africa) Emacs/22.1 Mule/5.0 (SAKAKI)

At Thu, 10 Dec 2009 16:51:51 +0530,
Sumit Adhikari wrote:
>   I want to know what if I want to use gsl blocks in a simulator I write and
> distribute it commercially/non commercially. What are legal issues.
>   What I must do and don't.

Hi, 

Thanks for your email.  There is some information at the GSL homepage
http://www.gnu.org/software/gsl/

    If I write an application which uses GSL, am I forced to
    distribute that application?  No. The license gives you the option
    to distribute your application if you want to. You do not have to
    exercise this option in the license.

    If I wanted to distribute an application which uses GSL, what
    license would I need to use?  The GNU General Public License
    (GPL).

The bottom line for commercial users:

    GSL can be used internally ("in-house") without restriction, but
    only redistributed in other software that is under the GNU GPL.

For more information, see http://www.gnu.org/licenses/gpl-faq.html
in particular 
http://www.gnu.org/licenses/gpl-faq.html#WhySomeGPLAndNotLGPL
http://www.gnu.org/licenses/gpl-faq.html#IfLibraryIsGPL

-- 
Brian Gough

GNU Scientific Library -
http://www.gnu.org/software/gsl/




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