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gh-101825: Clarify that as_integer_ratio() output is always normalized (#101843)

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Make docstrings for `as_integer_ratio` consistent across types, and document that
the returned pair is always normalized (coprime integers, with positive denominator).

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Co-authored-by: Owain Davies <116417456+OTheDev@users.noreply.github.com>
Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
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Sergey B Kirpichev 2023-02-27 22:11:28 +03:00 • committed by GitHub
parent 4f3786b761
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7 changed files with 21 additions and 27 deletions
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Lib/fractions.py
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@ -331,10 +331,9 @@ class Fraction(numbers.Rational):
return self._denominator == 1
def as_integer_ratio(self):
"""Return the integer ratio as a tuple.
"""Return a pair of integers, whose ratio is equal to the original Fraction.
Return a tuple of two integers, whose ratio is equal to the
Fraction and with a positive denominator.
The ratio is in lowest terms and has a positive denominator.
"""
return (self._numerator, self._denominator)