[Numpy-discussion] can't use argmin for array of timedeltas

Benjamin Root ben.root@ou....
Thu Sep 15 19:52:48 CDT 2011


On Thu, Sep 15, 2011 at 2:49 PM, Benjamin Root <ben.root@ou.edu> wrote:

> I encountered something similar back in April or so and that it was fixed.
> The problem was that the minimum function was implemented as max(0 - a), and
> so this fails for timedelta objects that can't do this.  This was fixed for
> min(), but apparently not for argmin().
>
> Ben Root
>

I did a quick fix of this issue and made it available as part of pull
request #158:

https://github.com/numpy/numpy/pull/158

I simply reused the argmax code, but flipped the arguments for the
comparison operations.  This did require modifying some header files, so I
don't know how big of an issue that will be.

Cheers,
Ben Root
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