[Numpy-discussion] What type should / return in python 3kwhen applied to two integer types?

Travis Oliphant oliphant at enthought.com
Fri Aug 28 12:36:28 EDT 2009


On Aug 28, 2009, at 11:31 AM, Charles R Harris wrote:

>
>
> On Fri, Aug 28, 2009 at 9:47 AM, Citi, Luca <lciti at essex.ac.uk> wrote:
> > The main issue is probably just choosing an appropriate float return
> > type, and personally I believe this should be same as numpy's  
> default
> > float.
> I completely agree.
>
> Maybe we could let the user decide whether to use a different type.
> It is already somehow possible through the "out" argument.
> >>> np.true_divide(a, b, np.empty(a.shape, dtype=np.float32))
> but clearly a but clumsy.
>
> The numpy true_divide function can be changed at runtime through the  
> python interface, one isn't stuck with the defaults for any of the  
> python parsed numeric methods. However, changing the defaults might  
> lead to code portability problems. I think it was a bad idea to have  
> that facility...

I see you have not been converted to the power of the with statement  
to create local environments...   --- probably it's a good thing you  
haven't.

-Travis
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