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#15438: merge with 3.3.

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Ezio Melotti 2013-02-23 04:55:48 +02:00
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Doc/library/math.rst
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@ -215,6 +215,10 @@ Power and logarithmic functions
``x`` is negative, and ``y`` is not an integer then ``pow(x, y)`` ``x`` is negative, and ``y`` is not an integer then ``pow(x, y)``
is undefined, and raises :exc:`ValueError`. is undefined, and raises :exc:`ValueError`.
Unlike the built-in ``**`` operator, :func:`math.pow` converts both
its arguments to type :class:`float`. Use ``**`` or the built-in
:func:`pow` function for computing exact integer powers.
.. function:: sqrt(x) .. function:: sqrt(x)