diff options
| author | Christian Heimes <christian@cheimes.de> | 2008-01-31 14:31:45 (GMT) |
|---|---|---|
| committer | Christian Heimes <christian@cheimes.de> | 2008-01-31 14:31:45 (GMT) |
| commit | 7b3ce6a17ea70e2acec46122e134097ce03d044a (patch) | |
| tree | 51c11d64bc07786b0e1f9d5a8aaf8336a62a8d66 /Lib/numbers.py | |
| parent | 4b8db419c278215ac1c79f4aac2b1453b13e8c83 (diff) | |
| download | cpython-7b3ce6a17ea70e2acec46122e134097ce03d044a.zip cpython-7b3ce6a17ea70e2acec46122e134097ce03d044a.tar.gz cpython-7b3ce6a17ea70e2acec46122e134097ce03d044a.tar.bz2 | |
Merged revisions 60441-60474 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r60441 | christian.heimes | 2008-01-30 12:46:00 +0100 (Wed, 30 Jan 2008) | 1 line
Removed unused var
........
r60448 | christian.heimes | 2008-01-30 18:21:22 +0100 (Wed, 30 Jan 2008) | 1 line
Fixed some references leaks in sys.
........
r60450 | christian.heimes | 2008-01-30 19:58:29 +0100 (Wed, 30 Jan 2008) | 1 line
The previous change was causing a segfault after multiple calls to Py_Initialize() and Py_Finalize().
........
r60463 | raymond.hettinger | 2008-01-30 23:17:31 +0100 (Wed, 30 Jan 2008) | 1 line
Update itertool recipes
........
r60464 | christian.heimes | 2008-01-30 23:54:18 +0100 (Wed, 30 Jan 2008) | 1 line
Bug #1234: Fixed semaphore errors on AIX 5.2
........
r60469 | raymond.hettinger | 2008-01-31 02:38:15 +0100 (Thu, 31 Jan 2008) | 6 lines
Fix defect in __ixor__ which would get the wrong
answer if the input iterable had a duplicate element
(two calls to toggle() reverse each other). Borrow
the correct code from sets.py.
........
r60470 | raymond.hettinger | 2008-01-31 02:42:11 +0100 (Thu, 31 Jan 2008) | 1 line
Missing return
........
r60471 | jeffrey.yasskin | 2008-01-31 08:44:11 +0100 (Thu, 31 Jan 2008) | 4 lines
Added more documentation on how mixed-mode arithmetic should be implemented. I
also noticed and fixed a bug in Rational's forward operators (they were
claiming all instances of numbers.Rational instead of just the concrete types).
........
Diffstat (limited to 'Lib/numbers.py')
| -rw-r--r-- | Lib/numbers.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Lib/numbers.py b/Lib/numbers.py index 6c3c3e1..4dd5ca7 100644 --- a/Lib/numbers.py +++ b/Lib/numbers.py @@ -291,7 +291,13 @@ class Rational(Real, Exact): # Concrete implementation of Real's conversion to float. def __float__(self): - """float(self) = self.numerator / self.denominator""" + """float(self) = self.numerator / self.denominator + + It's important that this conversion use the integer's "true" + division rather than casting one side to float before dividing + so that ratios of huge integers convert without overflowing. + + """ return self.numerator / self.denominator |