From f4112e2653f310b6e6a210c659648dbe45d3a042 Mon Sep 17 00:00:00 2001 From: Mark Dickinson Date: Thu, 17 Jun 2010 18:24:52 +0000 Subject: [PATCH] Add note about changes to the `round` function between 2.x and 3.x. --- Doc/whatsnew/3.0.rst | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Doc/whatsnew/3.0.rst b/Doc/whatsnew/3.0.rst index c7489939174..afec5fc7f8a 100644 --- a/Doc/whatsnew/3.0.rst +++ b/Doc/whatsnew/3.0.rst @@ -798,6 +798,15 @@ Builtins * A new built-in function :func:`next` was added to call the :meth:`__next__` method on an object. +* The :func:`round` function rounding strategy and return type have + changed. Exact halfway cases are now rounded to the nearest even + result instead of away from zero. (For example, ``round(2.5)`` now + returns ``2`` rather than ``3``.) :func:`round(x[, n])` now + delegates to ``x.__round__([n])`` instead of always returning a + float. It generally returns an integer when called with a single + argument and a value of the same type as ``x`` when called with two + arguments. + * Moved :func:`intern` to :func:`sys.intern`. * Removed: :func:`apply`. Instead of ``apply(f, args)`` use