mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-01 07:33:08 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

bpo-29677: DOC: clarify documentation for round (GH-877)

Browse source
This commit is contained in:
csabella 2017-03-29 17:14:06 -04:00 • committed by Mariatta
parent a90e64b78d
commit 85deefcf61
1 changed files with 6 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Doc/library/functions.rst
View file

@ -1254,9 +1254,9 @@ are always available. They are listed here in alphabetical order.
.. function:: round(number[, ndigits])
Return the floating point value *number* rounded to *ndigits* digits after
the decimal point. If *ndigits* is omitted or is ``None``, it returns the
nearest integer to its input. Delegates to ``number.__round__(ndigits)``.
Return *number* rounded to *ndigits* precision after the decimal
point. If *ndigits* is omitted or is ``None``, it returns the
nearest integer to its input.
For the built-in types supporting :func:`round`, values are rounded to the
closest multiple of 10 to the power minus *ndigits*; if two multiples are
@ -1266,6 +1266,9 @@ are always available. They are listed here in alphabetical order.
negative). The return value is an integer if called with one argument,
otherwise of the same type as *number*.
For a general Python object ``number``, ``round(number, ndigits)`` delegates to
``number.__round__(ndigits)``.
.. note::
The behavior of :func:`round` for floats can be surprising: for example,