changeset: 68852:6853b480e388 branch: 3.1 parent: 68849:b31606ea7ce3 user: Raymond Hettinger date: Tue Mar 22 17:33:17 2011 -0700 files: Doc/library/stdtypes.rst description: Issue #10610: Document that int(), float(), and complex() accept numeric literals with the Nd property. diff -r b31606ea7ce3 -r 6853b480e388 Doc/library/stdtypes.rst --- a/Doc/library/stdtypes.rst Tue Mar 22 16:27:02 2011 -0700 +++ b/Doc/library/stdtypes.rst Tue Mar 22 17:33:17 2011 -0700 @@ -267,46 +267,46 @@ ascending priority (operations in the same box have the same priority; all numeric operations have a higher priority than comparison operations): -+---------------------+---------------------------------+-------+--------------------+ -| Operation | Result | Notes | Full documentation | -+=====================+=================================+=======+====================+ -| ``x + y`` | sum of *x* and *y* | | | -+---------------------+---------------------------------+-------+--------------------+ -| ``x - y`` | difference of *x* and *y* | | | -+---------------------+---------------------------------+-------+--------------------+ -| ``x * y`` | product of *x* and *y* | | | -+---------------------+---------------------------------+-------+--------------------+ -| ``x / y`` | quotient of *x* and *y* | | | -+---------------------+---------------------------------+-------+--------------------+ -| ``x // y`` | floored quotient of *x* and | \(1) | | -| | *y* | | | -+---------------------+---------------------------------+-------+--------------------+ -| ``x % y`` | remainder of ``x / y`` | \(2) | | -+---------------------+---------------------------------+-------+--------------------+ -| ``-x`` | *x* negated | | | -+---------------------+---------------------------------+-------+--------------------+ -| ``+x`` | *x* unchanged | | | -+---------------------+---------------------------------+-------+--------------------+ -| ``abs(x)`` | absolute value or magnitude of | | :func:`abs` | -| | *x* | | | -+---------------------+---------------------------------+-------+--------------------+ -| ``int(x)`` | *x* converted to integer | \(3) | :func:`int` | -+---------------------+---------------------------------+-------+--------------------+ -| ``float(x)`` | *x* converted to floating point | \(4) | :func:`float` | -+---------------------+---------------------------------+-------+--------------------+ -| ``complex(re, im)`` | a complex number with real part | | :func:`complex` | -| | *re*, imaginary part *im*. | | | -| | *im* defaults to zero. | | | -+---------------------+---------------------------------+-------+--------------------+ -| ``c.conjugate()`` | conjugate of the complex number | | | -| | *c* | | | -+---------------------+---------------------------------+-------+--------------------+ -| ``divmod(x, y)`` | the pair ``(x // y, x % y)`` | \(2) | :func:`divmod` | -+---------------------+---------------------------------+-------+--------------------+ -| ``pow(x, y)`` | *x* to the power *y* | \(5) | :func:`pow` | -+---------------------+---------------------------------+-------+--------------------+ -| ``x ** y`` | *x* to the power *y* | \(5) | | -+---------------------+---------------------------------+-------+--------------------+ ++---------------------+---------------------------------+---------+--------------------+ +| Operation | Result | Notes | Full documentation | ++=====================+=================================+=========+====================+ +| ``x + y`` | sum of *x* and *y* | | | ++---------------------+---------------------------------+---------+--------------------+ +| ``x - y`` | difference of *x* and *y* | | | ++---------------------+---------------------------------+---------+--------------------+ +| ``x * y`` | product of *x* and *y* | | | ++---------------------+---------------------------------+---------+--------------------+ +| ``x / y`` | quotient of *x* and *y* | | | ++---------------------+---------------------------------+---------+--------------------+ +| ``x // y`` | floored quotient of *x* and | \(1) | | +| | *y* | | | ++---------------------+---------------------------------+---------+--------------------+ +| ``x % y`` | remainder of ``x / y`` | \(2) | | ++---------------------+---------------------------------+---------+--------------------+ +| ``-x`` | *x* negated | | | ++---------------------+---------------------------------+---------+--------------------+ +| ``+x`` | *x* unchanged | | | ++---------------------+---------------------------------+---------+--------------------+ +| ``abs(x)`` | absolute value or magnitude of | | :func:`abs` | +| | *x* | | | ++---------------------+---------------------------------+---------+--------------------+ +| ``int(x)`` | *x* converted to integer | \(3)\(6)| :func:`int` | ++---------------------+---------------------------------+---------+--------------------+ +| ``float(x)`` | *x* converted to floating point | \(4)\(6)| :func:`float` | ++---------------------+---------------------------------+---------+--------------------+ +| ``complex(re, im)`` | a complex number with real part | \(6) | :func:`complex` | +| | *re*, imaginary part *im*. | | | +| | *im* defaults to zero. | | | ++---------------------+---------------------------------+---------+--------------------+ +| ``c.conjugate()`` | conjugate of the complex number | | | +| | *c* | | | ++---------------------+---------------------------------+---------+--------------------+ +| ``divmod(x, y)`` | the pair ``(x // y, x % y)`` | \(2) | :func:`divmod` | ++---------------------+---------------------------------+---------+--------------------+ +| ``pow(x, y)`` | *x* to the power *y* | \(5) | :func:`pow` | ++---------------------+---------------------------------+---------+--------------------+ +| ``x ** y`` | *x* to the power *y* | \(5) | | ++---------------------+---------------------------------+---------+--------------------+ .. index:: triple: operations on; numeric; types @@ -345,6 +345,12 @@ Python defines ``pow(0, 0)`` and ``0 ** 0`` to be ``1``, as is common for programming languages. +(6) + The numeric literals accepted include the digits ``0`` to ``9`` or any + Unicode equivalent (code points with the ``Nd`` property). + + See http://www.unicode.org/Public/6.0.0/ucd/extracted/DerivedNumericType.txt + for a complete list of code points with the ``Nd`` property. All :class:`numbers.Real` types (:class:`int` and

AltStyle によって変換されたページ (->オリジナル) /