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| -rw-r--r-- | Doc/library/stdtypes.rst | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst index 6802f30..737ea97 100644 --- a/Doc/library/stdtypes.rst +++ b/Doc/library/stdtypes.rst @@ -449,7 +449,18 @@ Notes: Additional Methods on Float --------------------------- -The float type has some additional methods to support conversion to +The float type has some additional methods. + +.. method:: float.as_integer_ratio() + + Return a pair of integers whose ratio is exactly equal to the + original float and with a positive denominator. Raises + :exc:`OverflowError` on infinities and a :exc:`ValueError` on + NaNs. + + .. versionadded:: 2.6 + +Two methods support conversion to and from hexadecimal strings. Since Python's floats are stored internally as binary numbers, converting a float to or from a *decimal* string usually involves a small rounding error. In |