[Numpy-discussion] What type should / return in python 3kwhen applied to two integer types?
Charles R Harris
Fri Aug 28 11:40:51 CDT 2009
On Fri, Aug 28, 2009 at 10:36 AM, Travis Oliphant <firstname.lastname@example.org>wrote:
> On Aug 28, 2009, at 11:31 AM, Charles R Harris wrote:
> On Fri, Aug 28, 2009 at 9:47 AM, Citi, Luca <email@example.com> 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.
One of the problems with extensible languages is that, after extending, they
become different languages. It's the software equivalent of the tower of
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