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Minor clean-up and more tests.

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This commit is contained in:
Raymond Hettinger 2008-01-24 02:00:25 +00:00
parent cf10926088
commit eb461904eb
2 changed files with 15 additions and 2 deletions
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6
Lib/rational.py
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@ -179,7 +179,9 @@ class Rational(RationalAbc):
for e in reversed(seq):
n, d = d, n
n += e * d
return cls(n, d)
if seq:
return cls(n, d)
return cls(0)
def as_continued_fraction(self):
'Return continued fraction expressed as a list'
@ -200,7 +202,7 @@ class Rational(RationalAbc):
# Still needs rounding rules as specified at
# http://en.wikipedia.org/wiki/Continued_fraction
cf = cls.from_float(f).as_continued_fraction()
result = new = Rational(0, 1)
result = Rational(0)
for i in range(1, len(cf)):
new = cls.from_continued_fraction(cf[:i])
if new.denominator > max_denominator: