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97 Commits

Author SHA1 Message Date
HongWeipeng
036fe85bd3 bpo-27145: small_ints[x] could be returned in long_add and long_sub (GH-15716) 2019-11-26 16:54:49 +09:00
Serhiy Storchaka
b2e2025941 bpo-33073: Rework int.as_integer_ratio() implementation (GH-9303) 
* Simplify the C code.
* Simplify tests and make them more strict and robust.
* Add references in the documentation.
 2018-10-19 23:46:31 +02:00
Benjamin Peterson
cbda8fc5d7 closes bpo-34868: Improve error message with '_' is combined with an invalid type specifier. (GH-9666) 2018-10-01 21:54:39 -07:00
Lisa Roach
5ac704306f bpo-33073: Adding as_integer_ratio to ints. (GH-8750) 2018-09-13 23:56:23 -07:00
INADA Naoki
16dfca4d82 bpo-34087: Fix buffer overflow in int(s) and similar functions (GH-8274) 
`_PyUnicode_TransformDecimalAndSpaceToASCII()` missed trailing NUL char.
It caused buffer overflow in `_Py_string_to_number_with_underscores()`.

This bug is introduced in 9b6c60cb.
 2018-07-14 12:06:43 +09:00
Serhiy Storchaka
918403cfc3 bpo-29816: Shift operation now has less opportunity to raise OverflowError. (#680) 
ValueError always is raised rather than OverflowError for negative counts.
Shifting zero with non-negative count always returns zero.
 2017-03-30 09:47:07 +03:00
Eric V. Smith
89e1b1aae0 Issue 27080: PEP 515: add '_' formatting option. 2016-09-09 23:06:47 -04:00
Raymond Hettinger
3b09cd64e0 Merge 2016-09-03 01:55:39 -07:00
Raymond Hettinger
f0f1c239e4 Issue 27936: Fix inconsistent round() behavior between float and int 2016-09-03 01:55:11 -07:00
Mark Dickinson
82a95277b8 Issue #27870: A left shift of zero by a large integer no longer attempts to allocate large amounts of memory. 2016-08-29 19:27:06 +01:00
Serhiy Storchaka
ea36c941a1 Issue #23640: int.from_bytes() no longer bypasses constructors for subclasses. 2016-05-12 10:37:58 +03:00
Serhiy Storchaka
1f364438ad Issue #23640: int.from_bytes() no longer bypasses constructors for subclasses. 2016-05-12 10:39:32 +03:00
Yury Selivanov
e0b23095ee Issues #26289 and #26315: Optimize floor/modulo div for single-digit longs 
Microbenchmarks show 2-2.5x improvement.  Built-in 'divmod' function
is now also ~10% faster.

-m timeit -s "x=22331" "x//2;x//-3;x//4;x//5;x//-6;x//7;x//8;x//-99;x//100;"
with patch: 0.321          without patch: 0.633

-m timeit -s "x=22331" "x%2;x%3;x%-4;x%5;x%6;x%-7;x%8;x%99;x%-100;"
with patch: 0.224          without patch: 0.66

Big thanks to Serhiy Storchaka, Mark Dickinson and Victor Stinner for
thorow code reviews and algorithms improvements.
 2016-02-11 10:26:27 -05:00
Martin Panter
429f28d1ae Issue #25211: Merge test_long from 3.4 into 3.5 2015-09-26 00:07:29 +00:00
Martin Panter
cbe16aefb8 Issue #25211: Eliminate lazy error message class by using subTest 
Some of the calls to the Frm class were buggy anyway.
 2015-09-25 23:50:47 +00:00
Zachary Ware
38c707e7e0 Issue #21741: Update 147 test modules to use test discovery. 
I have compared output between pre- and post-patch runs of these tests
to make sure there's nothing missing and nothing broken, on both
Windows and Linux.  The only differences I found were actually tests
that were previously *not* run.
 2015-04-13 15:00:43 -05:00
Serhiy Storchaka
08448a1f4d Issue #23326: Removed __ne__ implementations. Since fixing default __ne__ 
implementation in issue #21408 they are redundant.
 2015-01-31 12:05:05 +02:00
Victor Stinner
7fe1049fcb Issue #21422: Add a test to check that bool << int and bool >> int return an int 2014-05-12 22:35:40 +02:00
Serhiy Storchaka
6c9678e1a5 Issue #20546: Use specific asserts in int tests. 2014-02-08 14:29:36 +02:00
Serhiy Storchaka
3a20a5dead Issue #20546: Use specific asserts in int tests. 2014-02-08 14:28:33 +02:00
Serhiy Storchaka
46e1ce214b Issue #18783: Removed existing mentions of Python long type in docstrings, 
error messages and comments.
 2013-08-27 20:17:03 +03:00
Serhiy Storchaka
9594942716 Issue #18783: Removed existing mentions of Python long type in docstrings, 
error messages and comments.
 2013-08-27 19:40:23 +03:00
Victor Stinner
3fa1aaebde Issue #17516: do not create useless tuple: remove dummy commas in tests 2013-03-26 01:14:08 +01:00
Mark Dickinson
9a359bd97f Issue #14630: Merge fix from 3.2. 2012-04-20 21:44:09 +01:00
Mark Dickinson
bcc17eefd2 Issue #14630: Fix an incorrect access of ob_digit[0] for a zero instance of an int subclass. 2012-04-20 21:42:49 +01:00