[Numpy-discussion] Turn numpy.ones_like into a ufunc

[Nathan Goldbaum]

I don't particularly need this, although it would be nice to make this
behavior explicit, instead of happening more or less by accident:

    In [1]: from yt.units import km

    In [2]: import numpy as np

    In [3]: data = [1, 2, 3]*km

    In [4]: np.ones_like(data)
    Out[4]: YTArray([1., 1., 1.]) km


On Fri, May 18, 2018 at 9:51 AM, Marten van Kerkwijk <
m.h.vankerkwijk at gmail.com> wrote:

> I'm greatly in favour, especially if the same can be done for
> `zeros_like` and `empty_like`, but note that a tricky part is that
> ufuncs do not deal very graciously with structured (void) and string
> dtypes. -- Marten
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