[issue21167] float('nan') returns 0.0 on Python compiled with icc

[Hrvoje Nikšić]

Hrvoje Nikšić added the comment:

Mark:
> > If Python requires strict IEEE 754 floating-point,
> 
> It doesn't (at the moment).

Does this imply that my patch is a better fix than requiring the builder to specify -fp-model strict to icc?

For our use case either solution is valid. For administrators and users testing or using Python with icc, it might be more convenient for Py_NAN to do the right thing with the default icc flags.

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