22.03.2014 14:48, Pauli Virtanen kirjoitti:
[clip]
> I can take a look at this today...
Here's one attempt:
https://github.com/cython/cython/pull/284
In the long run, I'd like to be able to write code like this:
https://github.com/pv/scipy-work/blob/csparsetools-nocrud/scipy/sparse/_csparse
Hi,
22.03.2014 12:08, Stefan Behnel kirjoitti:
[clip]
>> Re: arguments in the previous thread --- I think it would indeed be
>> better if memoryviews would not invoke cross-product behavior. If
>> scalars work in one way, also arrays should work in the same way.
>
> I'm not a fused types user mys
Pauli Virtanen, 08.03.2014 21:59:
> 08.03.2014 22:40, Stefan Behnel kirjoitti:
> [clip]
>> Yes, this is a known problem. The work-around is to ctypedef the
>> memory view type, not just the dtype.
>>
>> http://thread.gmane.org/gmane.comp.python.cython.user/10437
>
> Thanks, I missed that.
>
> Re:
Pauli Virtanen wrote:
> The n**m explosion starts to hurt quite quickly when there are several
> array arguments and more than one fused type. I think this issue is
> also accompanied by some signature resolution bugs (I'll try to come
> up with an example case).
I warned that fused types would
08.03.2014 22:40, Stefan Behnel kirjoitti:
[clip]
> Yes, this is a known problem. The work-around is to ctypedef the
> memory view type, not just the dtype.
>
> http://thread.gmane.org/gmane.comp.python.cython.user/10437
Thanks, I missed that.
Re: arguments in the previous thread --- I think it
Pauli Virtanen, 08.03.2014 21:11:
> FYI: Cython instantiates fused type routines with memoryview arguments
> unnecessarily many times.
>
> Example:
> ```
> ctypedef fused idx_t:
> short
> long
>
> # Cython 0.20.1 instantiates this function 128 times,
> # even though only 2 would be needed
