On Mon, 2020-05-25 at 11:10 -0400, Robert Kern wrote:
> On Mon, May 25, 2020 at 10:36 AM Sebastian Berg <
> sebastian@sipsolutions.net>
> wrote:
>
> > On Mon, 2020-05-25 at 10:09 -0400, Brian Racey wrote:
> > > Would a "complex default" mode ever make it into numpy, to behave
> > > more like
> > > Matlab and other packages with respect to complex number
> > > handling?
> > > Sure it
> > > would make it marginally slower if enabled, but it might open the
> > > door to
> > > better compatibility when porting code to Python.
> > >
> >
> > I think the SciPy versions may have such a default, or there is
> > such a
> > functionality hidden somewhere (maybe even the switching
> > behaviour).
> > I am not sure anyone actually uses those, so it may not be a good
> > idea
> > to use them to be honest.
> >
>
> The versions in `np.lib.scimath` behave like this. Of course, people
> do use
> them when they want to deal with real numbers as subsets of the
> complex
> numbers.
>

True, I guess I just used complex numbers too rarely in programs (i.e.
never central to any programming project).

It seems this is actually also exposed as `np.emath`, which is maybe a
better entry point? And I guess the scipy namespace uses them.

- Sebastian

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