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| author | Victor Stinner <vstinner@python.org> | 2020-01-21 11:14:10 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-01-21 11:14:10 +0100 |
| commit | 85ead4fc62829cb7ef2eb0af1a2933282f58c629 (patch) | |
| tree | 06cb54b4f26b0f8131868cd76a60500889e692dd /Modules/mathmodule.c | |
| parent | ec64640a2c5236d7a5d5470d759172a3d93eab0b (diff) | |
| download | cpython-git-85ead4fc62829cb7ef2eb0af1a2933282f58c629.tar.gz | |
bpo-39396: Fix math.nextafter(-0.0, +0.0) on AIX 7.1 (GH-18094)
Move also math.nextafter() on math.ulp() tests from IsCloseTests to
MathTests.
Diffstat (limited to 'Modules/mathmodule.c')
| -rw-r--r-- | Modules/mathmodule.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c index 81d871786f..f012b51d86 100644 --- a/Modules/mathmodule.c +++ b/Modules/mathmodule.c @@ -3287,8 +3287,14 @@ static PyObject * math_nextafter_impl(PyObject *module, double x, double y) /*[clinic end generated code: output=750c8266c1c540ce input=02b2d50cd1d9f9b6]*/ { - double f = nextafter(x, y); - return PyFloat_FromDouble(f); +#if defined(_AIX) + if (x == y) { + /* On AIX 7.1, libm nextafter(-0.0, +0.0) returns -0.0. + Bug fixed in bos.adt.libm 7.2.2.0 by APAR IV95512. */ + return PyFloat_FromDouble(y); + } +#endif + return PyFloat_FromDouble(nextafter(x, y)); } |