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| author | Mark Dickinson <dickinsm@gmail.com> | 2009-03-20 15:51:55 (GMT) |
|---|---|---|
| committer | Mark Dickinson <dickinsm@gmail.com> | 2009-03-20 15:51:55 (GMT) |
| commit | efc82f7e8eff19d8e844a3dc268a88de7fbcb173 (patch) | |
| tree | 58198f2e7610ba6d33865884487de006de30af85 /Doc/library/sys.rst | |
| parent | c8e81ef508f0f1dc4e5c31bd0bec2766867fead5 (diff) | |
| download | cpython-efc82f7e8eff19d8e844a3dc268a88de7fbcb173.zip cpython-efc82f7e8eff19d8e844a3dc268a88de7fbcb173.tar.gz cpython-efc82f7e8eff19d8e844a3dc268a88de7fbcb173.tar.bz2 | |
Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms.
Backport of r70459.
Diffstat (limited to 'Doc/library/sys.rst')
| -rw-r--r-- | Doc/library/sys.rst | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst index 9d33c60..813e788 100644 --- a/Doc/library/sys.rst +++ b/Doc/library/sys.rst @@ -498,6 +498,25 @@ always available. .. versionadded:: 1.5.2 +.. data:: long_info + + A struct sequence that holds information about Python's + internal representation of integers. The attributes are read only. + + +-------------------------+----------------------------------------------+ + | attribute | explanation | + +=========================+==============================================+ + | :const:`bits_per_digit` | number of bits held in each digit. Python | + | | integers are stored internally in base | + | | ``2**long_info.bits_per_digit`` | + +-------------------------+----------------------------------------------+ + | :const:`sizeof_digit` | size in bytes of the C type used to | + | | represent a digit | + +-------------------------+----------------------------------------------+ + + .. versionadded:: 2.7 + + .. data:: last_type last_value last_traceback |