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| -rw-r--r-- | Doc/library/math.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Doc/library/math.rst b/Doc/library/math.rst index 1df48fc..7c6f0b4 100644 --- a/Doc/library/math.rst +++ b/Doc/library/math.rst @@ -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. |