Message412531
While debugging a GCC regression (*) on "HUGE_VAL * 0" used by Py_NAN macro, I noticed that Python can now C99 "NAN" constant.
(*) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104389
In bpo-45440, I already removed legacy code for pre-C99 support and old platforms:
"Building Python now requires a C99 <math.h> header file providing the following functions: copysign(), hypot(), isfinite(), isinf(), isnan(), round()."
Attached patch modifies Py_NAN to simply reuse NAN.
mathmodule.c and cmathmodule.c m_nan() still use _Py_dg_stdnan() by default (if PY_NO_SHORT_FLOAT_REPR is not defined). |
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2022-02-04 20:24:09 | vstinner | set | recipients:
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2022-02-04 20:24:09 | vstinner | set | messageid: <1644006249.4.0.292742084923.issue46640@roundup.psfhosted.org> |
2022-02-04 20:24:09 | vstinner | link | issue46640 messages |
2022-02-04 20:24:09 | vstinner | create | |
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