[Numpy-discussion] Backwards-incompatible improvements to numpy.random.RandomState

Sturla Molden sturla.molden at gmail.com
Sun May 24 16:30:59 EDT 2015

On 24/05/15 10:22, Antony Lee wrote:

> Comments, and help for writing tests (in particular to make sure
> backwards compatibility is maintained) are welcome.

I have one comment, and that is what makes random numbers so special? 
This applies to the rest of NumPy too, fixing a bug can sometimes change 
the output of a function.

Personally I think we should only make guarantees about the data types, 
array shapes, and things like that, but not about the values. Those who 
need a particular version of NumPy for exact reproducibility should 
install the version of Python and NumPy they need. That is why virtual 
environments exist.

I am sure a lot will disagree with me on this. So please don't take this 
as flamebait.


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