mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-07-29 06:05:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

Remove unused to-be-magic methods from Rational per issue 1968. Do not port

Browse source 
this patch to py3k.
This commit is contained in:
Jeffrey Yasskin 2008-01-31 17:45:59 +00:00
parent b23dea6adb
commit 38db364076
2 changed files with 0 additions and 49 deletions
Download patch file Download diff file Expand all files Collapse all files

34
Lib/rational.py
View file

@ -410,40 +410,6 @@ class Rational(RationalAbc):
__int__ = __trunc__
def __floor__(a):
"""Will be math.floor(a) in 3.0."""
return a.numerator // a.denominator
def __ceil__(a):
"""Will be math.ceil(a) in 3.0."""
# The negations cleverly convince floordiv to return the ceiling.
return -(-a.numerator // a.denominator)
def __round__(self, ndigits=None):
"""Will be round(self, ndigits) in 3.0.
Rounds half toward even.
"""
if ndigits is None:
floor, remainder = divmod(self.numerator, self.denominator)
if remainder * 2 < self.denominator:
return floor
elif remainder * 2 > self.denominator:
return floor + 1
# Deal with the half case:
elif floor % 2 == 0:
return floor
else:
return floor + 1
shift = 10**abs(ndigits)
# See _operator_fallbacks.forward to check that the results of
# these operations will always be Rational and therefore have
# __round__().
if ndigits > 0:
return Rational((self * shift).__round__(), shift)
else:
return Rational((self / shift).__round__() * shift)
def __hash__(self):
"""hash(self)