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233 Commits

Author SHA1 Message Date
Serhiy Storchaka
5f4b229df7 bpo-40792: Make the result of PyNumber_Index() always having exact type int. (GH-20443) 
Previously, the result could have been an instance of a subclass of int.

Also revert bpo-26202 and make attributes start, stop and step of the range
object having exact type int.

Add private function _PyNumber_Index() which preserves the old behavior
of PyNumber_Index() for performance to use it in the conversion functions
like PyLong_AsLong().
 2020-05-28 10:33:45 +03:00
Serhiy Storchaka
578c3955e0 bpo-37999: No longer use __int__ in implicit integer conversions. (GH-15636) 
Only __index__ should be used to make integer conversions lossless.
 2020-05-26 18:43:38 +03:00
Dong-hee Na
5be8241392 bpo-1635741: Port math module to multiphase initialization (GH-19243) 2020-03-31 16:33:22 +02:00
Zackery Spytz
5208b4b379 bpo-39871: Fix possible SystemError in atan2, copysign and remainder (GH-18806) 
In math_2(), the first PyFloat_AsDouble() call should be checked
for failure before the second call.

Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
 2020-03-14 10:45:32 +00:00
Serhiy Storchaka
559e7f165a bpo-39648: Expand math.gcd() and math.lcm() to handle multiple arguments. (GH-18604) 
* bpo-39648: Expand math.gcd() and math.lcm() to handle multiple arguments.

* Simplify fast path.

* Difine lcm() without arguments returning 1.

* Apply suggestions from code review

Co-Authored-By: Mark Dickinson <dickinsm@gmail.com>

Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
 2020-02-23 11:21:29 +00:00
ananthan-123
f2ee21d858 bpo-39479:Add math.lcm() function: Least Common Multiple (#18547) 
* Update math.rst

* Update math.rst

* updated whats new

* Update test_math.py

* Update mathmodule.c

* Update mathmodule.c.h

* Update ACKS

* 📜🤖 Added by blurb_it.

* Update 3.9.rst

* Update 2020-02-18-12-37-16.bpo-39479.j3UcCq.rst

* Update math.rst

* Update 2020-02-18-12-37-16.bpo-39479.j3UcCq.rst

* Update test_math.py

* Update ACKS

* Update mathmodule.c.h

* Update mathmodule.c

* Update mathmodule.c.h

* Update mathmodule.c.h

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
 2020-02-19 18:21:37 +00:00
Victor Stinner
e9e7d284c4 bpo-35081: Move dtoa.h header to the internal C API (GH-18489) 
Move the dtoa.h header file to the internal C API as pycore_dtoa.h:
it only contains private functions (prefixed by "_Py").

The math and cmath modules must now be compiled with the
Py_BUILD_CORE macro defined.
 2020-02-12 22:54:42 +01:00
Victor Stinner
85ead4fc62 bpo-39396: Fix math.nextafter(-0.0, +0.0) on AIX 7.1 (GH-18094) 
Move also math.nextafter() on math.ulp() tests from IsCloseTests to
MathTests.
 2020-01-21 11:14:10 +01:00
Niklas Fiekas
c5b79003f5 bpo-31031: Unify duplicate bits_in_digit and bit_length (GH-2866) 
Add _Py_bit_length() to unify duplicate bits_in_digit() and bit_length().
 2020-01-16 15:09:19 +01:00
Victor Stinner
0b2ab21956 bpo-39310: Add math.ulp(x) (GH-17965) 
Add math.ulp(): return the value of the least significant bit
of a float.
 2020-01-13 12:44:35 +01:00
Victor Stinner
100fafcf20 bpo-39288: Add math.nextafter(x, y) (GH-17937) 
Return the next floating-point value after x towards y.
 2020-01-12 02:15:42 +01:00
Victor Stinner
be143ec996 bpo-38835: Don't use PyFPE_START_PROTECT and PyFPE_END_PROTECT (GH-17231) 
The PyFPE_START_PROTECT() and PyFPE_END_PROTECT() macros are empty:
they have been doing nothing for the last year  (since commit
735ae8d139), so stop using them.
 2019-11-20 02:51:30 +01:00
Serhiy Storchaka
5fd5cb8d85 bpo-38639: Optimize floor(), ceil() and trunc() for floats. (GH-16991) 2019-11-16 18:00:57 +02:00
Raymond Hettinger
6b5f1b496f bpo-37691: Let math.dist() accept sequences and iterables for coordinates (GH-14975) 2019-07-27 14:04:29 -07:00
Mark Dickinson
014847034b Fix inconsequential typo in math.remainder algorithm comments. (#14746) 2019-07-13 16:50:03 +01:00
Giovanni Cappellotto
dc3f99fa77 bpo-37548: Document range of atan, acos and asin (GH-14717) 2019-07-13 14:59:55 +01:00
Min ho Kim
f7d72e48fb Fix some typos (GH-14435) 2019-07-05 14:39:32 -07:00
Serhiy Storchaka
231aad3849 bpo-37315: Deprecate accepting floats in math.factorial(). (GH-14147) 2019-06-17 16:57:27 +03:00
Mark Dickinson
2dfeaa9222 Turn math.isqrt assertion into a comment to clarify its purpose. (GH-14131) 2019-06-16 17:53:21 +01:00
Mark Dickinson
45e0411eee Simplify negativity checks in math.comb and math.perm. (GH-13870) 2019-06-16 11:06:06 +01:00
Raymond Hettinger
e119b3d136 bpo-37178: Allow a one argument form of math.perm() (GH-13905) 2019-06-08 08:58:11 -07:00
Raymond Hettinger
963eb0f473 bpo-35431: Drop the k <= n requirement (GH-13798) 2019-06-04 01:23:06 -07:00
Serhiy Storchaka
5ae299ac78 bpo-37128: Add math.perm(). (GH-13731) 2019-06-02 11:16:49 +03:00
Serhiy Storchaka
2b843ac0ae bpo-35431: Refactor math.comb() implementation. (GH-13725) 
* Fixed some bugs.
* Added support for index-likes objects.
* Improved error messages.
* Cleaned up and optimized the code.
* Added more tests.
 2019-06-01 22:09:02 +03:00
Yash Aggarwal
4a686504eb bpo-35431: Implemented math.comb (GH-11414) 2019-06-01 00:21:27 -07:00