[issue24520] Stop using deprecated floating-point environment functions on FreeBSD

[STINNER Victor]

STINNER Victor added the comment:

Andrew Turner: "Can this be applied?"

koobs: "What remains to be done/identified/answers here to make progress?"

*I* don't understand if replacing fpsetmask() with fedisableexcept() is enough, or if we also need to starting putting "#pragma STDC FENV_ACCESS ON" in all .c file using a C double? It's not a rhetorical question, I don't understand the consequence of the attached patch.

If two FreeBSD developers (Andrew Turner and koobs) are confident, maybe I should trust them and apply blindly the patch without trying to understand it :-D

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24520>
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