Commit 6a959a12 authored by Ezio Melotti's avatar Ezio Melotti

#15438: add a note to math.pow() that suggests using **/pow() for integers. ...

#15438: add a note to math.pow() that suggests using **/pow() for integers.  Patch by Mark Dickinson.
parent 43b09d49
......@@ -212,6 +212,10 @@ Power and logarithmic functions
``x`` is negative, and ``y`` is not an integer then ``pow(x, y)``
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.
.. versionchanged:: 2.6
The outcome of ``1**nan`` and ``nan**0`` was undefined.
......
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