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| author | Mark Dickinson <mdickinson@enthought.com> | 2012-08-24 17:53:10 (GMT) |
|---|---|---|
| committer | Mark Dickinson <mdickinson@enthought.com> | 2012-08-24 17:53:10 (GMT) |
| commit | fc33d4ce0a2a89d26c30cd31ccc1992eb495aff0 (patch) | |
| tree | e4af8aa2446027fb3c8440aedeb4aaa0bc3cda15 /Modules/_decimal | |
| parent | cb0ec7dc425bbcd6a3325b2012f6843320219d34 (diff) | |
| download | cpython-fc33d4ce0a2a89d26c30cd31ccc1992eb495aff0.zip cpython-fc33d4ce0a2a89d26c30cd31ccc1992eb495aff0.tar.gz cpython-fc33d4ce0a2a89d26c30cd31ccc1992eb495aff0.tar.bz2 | |
Issue #15544: Fix Decimal.__float__ to work with payload-carrying NaNs.
Diffstat (limited to 'Modules/_decimal')
| -rw-r--r-- | Modules/_decimal/_decimal.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/Modules/_decimal/_decimal.c b/Modules/_decimal/_decimal.c index ecca411..15c64e2 100644 --- a/Modules/_decimal/_decimal.c +++ b/Modules/_decimal/_decimal.c @@ -3357,7 +3357,23 @@ PyDec_AsFloat(PyObject *dec) { PyObject *f, *s; - s = dec_str(dec); + if (mpd_isnan(MPD(dec))) { + if (mpd_issnan(MPD(dec))) { + PyErr_SetString(PyExc_ValueError, + "cannot convert signaling NaN to float"); + return NULL; + } + if (mpd_isnegative(MPD(dec))) { + s = PyUnicode_FromString("-nan"); + } + else { + s = PyUnicode_FromString("nan"); + } + } + else { + s = dec_str(dec); + } + if (s == NULL) { return NULL; } |