Change references to the new math functions to generate proper x-refs.
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@ -1350,29 +1350,28 @@ Here are all of the changes that Python 2.6 makes to the core Python language.
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floating-point exceptions and IEEE 754 special values.
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The new functions are:
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* :func:`isinf` and :func:`isnan` determine whether a given float is
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a (positive or negative) infinity or a NaN (Not a Number),
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respectively.
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* :func:`~math.isinf` and :func:`~math.isnan` determine whether a given float
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is a (positive or negative) infinity or a NaN (Not a Number), respectively.
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* ``copysign(x, y)`` copies the sign bit of an IEEE 754 number,
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* :func:`~math.copysign` copies the sign bit of an IEEE 754 number,
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returning the absolute value of *x* combined with the sign bit of
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*y*. For example, ``math.copysign(1, -0.0)`` returns -1.0.
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(Contributed by Christian Heimes.)
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* :func:`factorial` computes the factorial of a number.
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* :func:`~math.factorial` computes the factorial of a number.
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(Contributed by Raymond Hettinger; :issue:`2138`.)
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* :func:`sum` adds up the stream of numbers from an iterable,
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* :func:`~math.sum` adds up the stream of numbers from an iterable,
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and is careful to avoid loss of precision by calculating partial sums.
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(Contributed by Jean Brouwers; :issue:`2819`.)
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* The inverse hyperbolic functions :func:`acosh`, :func:`asinh` and
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:func:`atanh`.
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* The inverse hyperbolic functions :func:`~math.acosh`, :func:`~math.asinh`
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and :func:`~math.atanh`.
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* The function :func:`log1p`, returning the natural logarithm of
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*1+x* (base *e*).
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* The function :func:`~math.log1p`, returning the natural logarithm of *1+x*
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(base *e*).
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There's also a new :func:`trunc` function as a result of the
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There's also a new :func:`trunc` built-in function as a result of the
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backport of `PEP 3141's type hierarchy for numbers <#pep-3141>`__.
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The existing math functions have been modified to follow the
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