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Issue 15985: merge from 3.2.

This commit is contained in:
Mark Dickinson 2012-09-20 20:51:53 +01:00
parent ca8aa4acf6 4e12ad19c9
commit 7c6c80d89f
1 changed files with 9 additions and 9 deletions
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18
Doc/library/functions.rst
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@ -1098,18 +1098,18 @@ are always available. They are listed here in alphabetical order.
arguments starting at ``0``).
.. function:: round(x[, n])
.. function:: round(number[, ndigits])
Return the floating point value *x* rounded to *n* digits after the decimal
point. If *n* is omitted, it defaults to zero. Delegates to
``x.__round__(n)``.
Return the floating point value *number* rounded to *ndigits* digits after
the decimal point. If *ndigits* is omitted, it defaults to zero. Delegates
to ``number.__round__(ndigits)``.
For the built-in types supporting :func:`round`, values are rounded to the
closest multiple of 10 to the power minus *n*; if two multiples are equally
close, rounding is done toward the even choice (so, for example, both
``round(0.5)`` and ``round(-0.5)`` are ``0``, and ``round(1.5)`` is ``2``).
The return value is an integer if called with one argument, otherwise of the
same type as *x*.
closest multiple of 10 to the power minus *ndigits*; if two multiples are
equally close, rounding is done toward the even choice (so, for example,
both ``round(0.5)`` and ``round(-0.5)`` are ``0``, and ``round(1.5)`` is
``2``). The return value is an integer if called with one argument,
otherwise of the same type as *number*.
.. note::