Mark Dickinson
88a0a2e47f
Issue #6431 : Fix Fraction comparisons with unknown types, and with
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float infinities and nans. Backport of r74078 from py3k.
2009-07-18 15:18:18 +00:00
Mark Dickinson
4af8e745c4
Issue #5812 : The two-argument form of the Fraction constructor
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now accepts arbitrary Rational instances.
2009-04-24 13:56:07 +00:00
Mark Dickinson
8100bd8431
Issue #5812 : make Fraction('1e-6') valid. Backport of r71806.
2009-04-22 18:15:25 +00:00
Georg Brandl
fe427895b5
Manually merge r68095,68186,68187,68188,68190 from 2.6 branch.
2009-01-03 22:03:11 +00:00
Raymond Hettinger
b01713e7dc
Issue 3285: Fractions from_float() and from_decimal() accept Integral arguments.
2008-07-10 14:34:57 +00:00
Raymond Hettinger
548db58e02
Use operator.index() instead of n.__index__().
2008-07-10 10:28:41 +00:00
Raymond Hettinger
655d583a49
Issue 3287: Raise correct exception for float inputs.
2008-07-10 09:31:08 +00:00
Mark Dickinson
3af386a5cb
Remove trailing 'L's from numerator and denominator in the
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repr() of a Fraction instance.
2008-06-27 10:11:52 +00:00
Andrew M. Kuchling
f484363bae
Use repr() for bad input strings; this makes the empty string or binary characters more visible
2008-06-21 13:47:20 +00:00
Raymond Hettinger
cf98f03a62
The __all__ variable forgot to expose the gcd() function.
2008-05-08 04:36:12 +00:00
Jeffrey Yasskin
339f5e3ffc
Change simple instances (in Fraction) of self.numerator and self.denominator to
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self._numerator and self._denominator. This speeds abs() up from 12.2us to
10.8us and trunc() from 2.07us to 1.11us. This doesn't change _add and friends
because they're more complicated.
2008-02-14 07:49:25 +00:00
Jeffrey Yasskin
1c214d6c94
Performance optimizations on Fraction's constructor.
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./python.exe -m timeit -s 'from fractions import Fraction' 'Fraction(3)`
31.7 usec/loop -> 9.2 usec/loop
./python.exe -m timeit -s 'from fractions import Fraction' 'Fraction(3, 2)'`
27.7 usec/loop -> 9.32 usec/loop
./python.exe -m timeit -s 'from fractions import Fraction; f = Fraction(3, 2)' 'Fraction(f)'
31.9 usec/loop -> 14.3 usec/loop
2008-02-14 06:12:24 +00:00
Mark Dickinson
0aa52a1658
Revert change in r60712: turn alternate constructors back into
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classmethods instead of staticmethods.
2008-02-12 21:40:53 +00:00
Mark Dickinson
e1b824793a
Implementation of Fraction.limit_denominator.
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Remove Fraction.to_continued_fraction and
Fraction.from_continued_fraction
2008-02-12 21:31:59 +00:00
Mark Dickinson
cd873fc142
Put an extra space into the repr of a Fraction:
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Fraction(1, 2) instead of Fraction(1,2).
2008-02-11 03:11:55 +00:00
Mark Dickinson
d058cd2cc8
Rename rational.Rational to fractions.Fraction, to avoid name clash
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with numbers.Rational. See issue #1682 for related discussion.
2008-02-10 21:29:51 +00:00