[Numpy-discussion] New behavior for correlate w.r.t. swapped input: deprecate current default for 1.4.0 ?

Charles R Harris charlesr.harris at gmail.com
Fri Nov 27 08:29:49 EST 2009

On Fri, Nov 27, 2009 at 3:04 AM, David Cournapeau <
david at ar.media.kyoto-u.ac.jp> wrote:

> Hi,
>    The function correlate can now implement what is generally accepted
> as the definition of correlation, but you need to request this behavior
> ATM (by default, it still does the wrong thing). Is it ok to deprecate
> the default ? I.e. the behavior is exactly the same, but we warn users
> about the change, and in 1.5.0, the default is to use the new behavior.
What exactly are the differences? IIRC, there is a change for complex
arguements and what looks like a bugfix for real arguments. Is there a way
to warn *only* when the behavior will be different?

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