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| author | Stefan Krah <skrah@bytereef.org> | 2015-12-28 22:02:02 (GMT) |
|---|---|---|
| committer | Stefan Krah <skrah@bytereef.org> | 2015-12-28 22:02:02 (GMT) |
| commit | 53f2e0ad45e41c007f714e077ccf11643651ef28 (patch) | |
| tree | c00ffd5dd955b9685de5c1a12fd014745b22f361 /Doc/library/decimal.rst | |
| parent | ac1e7f6983ef4f0feef6389d458544bf924f6965 (diff) | |
| download | cpython-53f2e0ad45e41c007f714e077ccf11643651ef28.zip cpython-53f2e0ad45e41c007f714e077ccf11643651ef28.tar.gz cpython-53f2e0ad45e41c007f714e077ccf11643651ef28.tar.bz2 | |
Issue #25928: Add Decimal.as_integer_ratio(). Python parts and docs by
Mark Dickinson.
Diffstat (limited to 'Doc/library/decimal.rst')
| -rw-r--r-- | Doc/library/decimal.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst index 2de0ea0..14356aa 100644 --- a/Doc/library/decimal.rst +++ b/Doc/library/decimal.rst @@ -448,6 +448,19 @@ Decimal objects ``Decimal('321e+5').adjusted()`` returns seven. Used for determining the position of the most significant digit with respect to the decimal point. + .. method:: as_integer_ratio() + + Return a pair ``(n, d)`` of integers that represent the given + :class:`Decimal` instance as a fraction, in lowest terms and + with a positive denominator:: + + >>> Decimal('-3.14').as_integer_ratio() + (-157, 50) + + The conversion is exact. Raise OverflowError on infinities and ValueError + on NaNs. + + .. versionadded:: 3.6 .. method:: as_tuple() |