Re: finding isnan

[Havard Eidnes <he%NetBSD.org@localhost>]

>> > http://www.ki.nu/pkgsrc/reports/current/NetBSD-9.0/20231104.1950/py310-scikit-learn-1.3.2/build.log
>>
>> If it is including cmath, it should be using std::isnan. If it
>> is mixing math.h and cmath,
>> it should stop doing that, ideally by including cmath first.
>
> If I understand the build process correctly, it's using math.h only,
> but the code is in files generated by cython, for code like this:
>
> sklearn/utils/_isfinite.pyx:from libc.math cimport isnan, isinf
> sklearn/utils/_isfinite.pyx:        if isnan(v):
>
> So I'm not sure how to fix that.
>  Thomas

This sounds similar to another problem I bumped into with python
code which uses cython, ref.:

  https://github.com/pandas-dev/pandas/issues/51047

Regrettably, I could not land a "proper" fix for this.

Regards,

- Håvard