[Numpy-discussion] Add/multiply reduction confusion

Andrew Friedley afriedle@indiana....
Mon Aug 3 08:38:46 CDT 2009


Gael Varoquaux wrote:
> On Sun, Jul 05, 2009 at 02:47:18PM -0400, Andrew Friedley wrote:
>> Stéfan van der Walt wrote:
>>> 2009/7/5 Andrew Friedley <afriedle@indiana.edu>:
>>>> I found the check that does the type 'upcasting' in
>>>> umath_ufunc_object.inc around line 3072 (NumPy 1.3.0).  Turns out all I
>>>> need to do is make sure my add and multiply ufuncs are actually named
>>>> 'add' and 'multiply' and arrays will be upcasted appropriately.
> 
>>> Would you please be so kind as to add your findings here:
> 
>>> http://docs.scipy.org/numpy/docs/numpy-docs/reference/index.rst/#reference-index
> 
>>> I haven't read through that document recently, so it may be in there already.
> 
>> I created an account (afriedle) but looks like I don't have edit 
>> permissions.
> 
> I have added you to the Editor list.

Thanks and sorry about the delay; I went and added the comment I proposed.

Andrew


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