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Add links to helpful external resources.

This commit is contained in:
Raymond Hettinger 2009-02-19 06:57:23 +00:00
parent 7f48c1055e
commit b2d412117c
2 changed files with 10 additions and 4 deletions
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10
Doc/library/functions.rst
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@ -1104,10 +1104,12 @@ available. They are listed here in alphabetical order.
*reverse* is a boolean value. If set to ``True``, then the list elements are *reverse* is a boolean value. If set to ``True``, then the list elements are
sorted as if each comparison were reversed. sorted as if each comparison were reversed.
In general, the *key* and *reverse* conversion processes are much faster than In general, the *key* and *reverse* conversion processes are much faster
specifying an equivalent *cmp* function. This is because *cmp* is called than specifying an equivalent *cmp* function. This is because *cmp* is
multiple times for each list element while *key* and *reverse* touch each called multiple times for each list element while *key* and *reverse* touch
element only once. each element only once. To convert an old-style *cmp* function to a *key*
function, see the `CmpToKey recipe in the ASPN cookbook
<http://code.activestate.com/recipes/576653/>`_\.
.. versionadded:: 2.4 .. versionadded:: 2.4

4
Doc/library/math.rst
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@ -100,6 +100,10 @@ Number-theoretic and representation functions
occasionally double-round an intermediate sum causing it to be off in its occasionally double-round an intermediate sum causing it to be off in its
least significant bit. least significant bit.
For further discussion and two alternative approaches, see the `ASPN cookbook
recipes for accurate floating point summation
<http://code.activestate.com/recipes/393090/>`_\.
.. versionadded:: 2.6 .. versionadded:: 2.6