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bpo-42323: Fix math.nextafter() for NaN on AIX (GH-24265)

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Victor Stinner 2021-01-20 15:20:13 +01:00 • committed by GitHub
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Misc/NEWS.d/next/Library/2021-01-20-12-10-47.bpo-42323.PONB8e.rst Normal file
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@ -0,0 +1 @@
Fix :func:`math.nextafter` for NaN on AIX.

6
Modules/mathmodule.c
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@ -3473,6 +3473,12 @@ math_nextafter_impl(PyObject *module, double x, double y)
Bug fixed in bos.adt.libm 7.2.2.0 by APAR IV95512. */
return PyFloat_FromDouble(y);
}
if (Py_IS_NAN(x)) {
return x;
}
if (Py_IS_NAN(y)) {
return y;
}
#endif
return PyFloat_FromDouble(nextafter(x, y));
}