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| author | Mark Dickinson <dickinsm@gmail.com> | 2010-04-05 18:09:39 (GMT) |
|---|---|---|
| committer | Mark Dickinson <dickinsm@gmail.com> | 2010-04-05 18:09:39 (GMT) |
| commit | 5daab45158094e577b9791cda7d8a0f4e34f45cb (patch) | |
| tree | bc65e628f6031555938699b90b611facb5d5a9ba /Objects/object.c | |
| parent | 19192dd4022e1ce3978ac9b52a95deef430d46f8 (diff) | |
| download | cpython-5daab45158094e577b9791cda7d8a0f4e34f45cb.zip cpython-5daab45158094e577b9791cda7d8a0f4e34f45cb.tar.gz cpython-5daab45158094e577b9791cda7d8a0f4e34f45cb.tar.bz2 | |
Merged revisions 79804 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r79804 | mark.dickinson | 2010-04-05 19:07:51 +0100 (Mon, 05 Apr 2010) | 5 lines
Use a more robust infinity check in _Py_HashDouble.
This fixes a test_decimal failure on FreeBSD 8.0. (modf apparently
doesn't follow C99 Annex F on FreeBSD.)
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Diffstat (limited to 'Objects/object.c')
| -rw-r--r-- | Objects/object.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Objects/object.c b/Objects/object.c index a332c6c..0b22e38 100644 --- a/Objects/object.c +++ b/Objects/object.c @@ -656,15 +656,15 @@ _Py_HashDouble(double v) * of mapping keys will turn out weird. */ + if (Py_IS_INFINITY(v)) + /* can't convert to long int -- arbitrary */ + v = v < 0 ? -271828.0 : 314159.0; fractpart = modf(v, &intpart); if (fractpart == 0.0) { /* This must return the same hash as an equal int or long. */ if (intpart > LONG_MAX/2 || -intpart > LONG_MAX/2) { /* Convert to long and use its hash. */ PyObject *plong; /* converted to Python long */ - if (Py_IS_INFINITY(intpart)) - /* can't convert to long int -- arbitrary */ - v = v < 0 ? -271828.0 : 314159.0; plong = PyLong_FromDouble(v); if (plong == NULL) return -1; |