mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 00:23:06 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

bpo-29882: Add an efficient popcount method for integers (#771)

Browse source 
* bpo-29882: Add an efficient popcount method for integers

* Update 'sign bit' and versionadded in docs

* Add entry to whatsnew document

* Doc: use positive example, mention population count

* Minor cleanups of the core code

* Move popcount_digit closer to where it's used

* Use z instead of self after conversion

* Add 'absolute value' and 'population count' to docstring

* Fix clinic error about missing summary line

* Ensure popcount_digit is portable with 64-bit ints

Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
This commit is contained in:
Niklas Fiekas 2020-05-29 18:28:02 +02:00 • committed by GitHub
parent 364b5ead15
commit 8bd216dfed
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
7 changed files with 135 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Lib/test/test_doctest.py
View file

@ -669,7 +669,7 @@ plain ol' Python and is guaranteed to be available.
True
>>> real_tests = [t for t in tests if len(t.examples) > 0]
>>> len(real_tests) # objects that actually have doctests
13
14
>>> for t in real_tests:
... print('{} {}'.format(len(t.examples), t.name))
...
@ -682,6 +682,7 @@ plain ol' Python and is guaranteed to be available.
1 builtins.hex
1 builtins.int
3 builtins.int.as_integer_ratio
2 builtins.int.bit_count
2 builtins.int.bit_length
5 builtins.memoryview.hex
1 builtins.oct