DEP: deprecate complex dtypes in PchipInterpolator and Akima1DInterpolator

"Lucas Colley" <[email protected]> Mon, 25 Dec 2023 16:35:56 -0000
Newsgroups gmane.comp.python.scientific.devel
Message-ID <[email protected]>
Hi all,

https://github.com/scipy/scipy/pull/19752 deprecates complex dtypes in PchipInterpolator and Akima1DInterpolator. It also clarifies the documentation for these interpolators and RegularGridInterpolator w.r.t. complex data.

In Evgeni(@ev-br)'s words, these interpolators return "nonsense" for complex data. This deprecation moves us towards raising an exception on the suggestion of Marten(@mhvk), as "people may be getting hit with bad results, better that they know!".

If anyone objects to the deprecation, please let us know!

Cheers,
Lucas
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