[Numpy-discussion] copying array to itself
heng at cantab.net
Thu May 3 04:51:34 EDT 2012
On Wed, 2012-05-02 at 12:58 -0700, Stéfan van der Walt wrote:
> On Wed, May 2, 2012 at 9:03 AM, Henry Gomersall <heng at cantab.net>
> > Is this some nuance of the way numpy does things? Or am I missing
> > stupid bug in my code?
> Try playing with the parameters of the following code:
> For small values of sz this typically works, but as soon as numpy
> needs to buffer strange things happen because you are reading from
> memory locations that you've already written to.
Right, so this is expected behaviour then. Is this documented somewhere?
It strikes me that this is pretty unexpected behaviour.
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