[Numpy-discussion] Assigning complex values to a real array
Darren Dale
dsdale24@gmail....
Sat Mar 7 09:15:10 CST 2009
On Sat, Mar 7, 2009 at 5:18 AM, Robert Kern <robert.kern@gmail.com> wrote:
> On Sat, Mar 7, 2009 at 04:10, Stéfan van der Walt <stefan@sun.ac.za>
> wrote:
> > 2009/3/7 Robert Kern <robert.kern@gmail.com>:
> >> In [5]: z = zeros(3, int)
> >>
> >> In [6]: z[1] = 1.5
> >>
> >> In [7]: z
> >> Out[7]: array([0, 1, 0])
> >
> > Blind moment, sorry. So, what is your take -- should this kind of
> > thing pass silently?
>
> Downcasting data is a necessary operation sometimes. We explicitly
> made a choice a long time ago to allow this.
>
In that case, do you know why this raises an exception:
np.int64(10+20j)
Darren
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