[Numpy-discussion] References to Numerical Recipes in Numpy code

Robert Kern robert.kern at gmail.com
Wed May 8 13:18:48 EDT 2013

On Wed, May 8, 2013 at 6:09 PM, MACKEITH Andrew <Andrew.MACKEITH at 3ds.com> wrote:
> The numpy libraries (numpy/core/machar.py, numpy/fft/info.py,
> numpy/lib/function_base.py) contain references to "Numerical Recipes: The
> Art of Scientific Computing".  The book contains a licensing section which
> states "... Unlicensed transfer of Numerical Recipes programs to any other
> format is strictly prohibited".  From this we understand that use of the
> book as a reference is permitted, but copying of code for distribution,
> whether non-commercially or otherwise is not permitted.   We are wondering
> if anyone has done an analysis of this situation around numpy, and if so
> what conclusion they might have reached?

These are references to the book's text for the discussion of the
algorithms and concepts in general, not copies of the code from the
attached disk.

Robert Kern

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