[Numpy-discussion] segfaulting numpy with dot and datetime

josef.pktd@gmai... josef.pktd@gmai...
Mon Dec 10 19:54:42 CST 2012


On Mon, Dec 10, 2012 at 8:26 PM, Charles R Harris
<charlesr.harris@gmail.com> wrote:
>
> On Mon, Dec 10, 2012 at 5:39 PM, <josef.pktd@gmail.com> wrote:
>>
>> >>> np.__version__
>> '1.6.2'
>> >>> aa
>> array([1970-01-13 96:00:00, 1970-01-13 120:00:00, 1970-01-13 144:00:00,
>>        1970-01-13 168:00:00, 1970-01-13 192:00:00], dtype=datetime64[ns])
>> >>> np.dot(aa, [1])
>> <segfault>
>>
>
> Hmm, I can't even get that array using current master, what with illegal
> hours and all. Datetime in 1.6.x wasn't quite up to snuff, so things might
> have been fixed in 1.7.0. Is there any way you can check that.

I didn't know the dates are illegal, they were created with pandas.

Skipper said he couldn't replicate the segfault so it might be gone
with a more recent numpy.
I still have to setup a virtualenv for a 1.7.0 beta so I can start to test it.
(I rely on binaries for numpy and scipy now.)

Thanks,

Josef

>
> Chuck
>
>
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