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| author | Antoine Pitrou <solipsis@pitrou.net> | 2015-06-23 12:31:11 (GMT) |
|---|---|---|
| committer | Antoine Pitrou <solipsis@pitrou.net> | 2015-06-23 12:31:11 (GMT) |
| commit | 6bc217dd3d43763e62b413e75ddaeb7d30e1b451 (patch) | |
| tree | 4880bdc14041619332c3a6bd76b9a2b9fed1005b /Modules/cmathmodule.c | |
| parent | 03863d2b290d0856d7647a0275a73b55b6589fa7 (diff) | |
| download | cpython-6bc217dd3d43763e62b413e75ddaeb7d30e1b451.zip cpython-6bc217dd3d43763e62b413e75ddaeb7d30e1b451.tar.gz cpython-6bc217dd3d43763e62b413e75ddaeb7d30e1b451.tar.bz2 | |
Issue #24489: ensure a previously set C errno doesn't disturb cmath.polar().
Diffstat (limited to 'Modules/cmathmodule.c')
| -rw-r--r-- | Modules/cmathmodule.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Modules/cmathmodule.c b/Modules/cmathmodule.c index eb2853c..b341c34 100644 --- a/Modules/cmathmodule.c +++ b/Modules/cmathmodule.c @@ -941,9 +941,10 @@ cmath_polar(PyObject *self, PyObject *args) double r, phi; if (!PyArg_ParseTuple(args, "D:polar", &z)) return NULL; + errno = 0; PyFPE_START_PROTECT("polar function", return 0) phi = c_atan2(z); /* should not cause any exception */ - r = c_abs(z); /* sets errno to ERANGE on overflow; otherwise 0 */ + r = c_abs(z); /* sets errno to ERANGE on overflow */ PyFPE_END_PROTECT(r) if (errno != 0) return math_error(); |