On Sat, Jul 15, 2023 at 12:42 AM LIU Hao <[email protected]> wrote:[snip

> [snip]
> Looks like our `fpclassify()` doesn't handle `__float128`:


Thank you for explaining.

Is there some action I should take in order to improve the chances of this
being fixed ?
The problem arose in relation to the compilation of a perl module
(DateTime).
It turns out that Perl's C API provides a 'Perl_isfinite' function that
does work with __float128,  and which can be used as a drop in replacement
of 'isfinite', so it was easy to work around.
However, I think it's preferable that the mingw-w64 ports of gcc support
'isfinite' with __float128.

Cheers,
Rob

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