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90 commits

Author SHA1 Message Date
Benjamin Peterson
865c17fb28
closes bpo-34640: Remove the TANH_PRESERVES_ZERO_SIGN configure check. (GH-9206) 2018-09-12 06:51:18 -07:00
Pablo Galindo
e9ba3705de
bpo-33083 - Make math.factorial reject arguments that are not int-like (GH-6149) 
math.factorial() was accepting non-integral Decimal instances. This is inconsistent with the actual behaviour for floats, which are not accepted.
 2018-09-03 22:20:06 +01:00
Raymond Hettinger
00414597b4
Add more tests and assertions for math.hypot() and math.dist() (GH-8747) 2018-08-12 12:15:23 -07:00
Raymond Hettinger
9c18b1ae52
bpo-33089: Add math.dist() for computing the Euclidean distance between two points (GH-8561) 2018-07-31 00:45:49 -07:00
Raymond Hettinger
c6dabe37e3
bpo-33089: Multidimensional math.hypot() (GH-8474) 2018-07-28 07:48:04 -07:00
Mike
53f7a7c281 bpo-32297: Few misspellings found in Python source code comments. (#4803) 
* Fix multiple typos in code comments

* Add spacing in comments (test_logging.py, test_math.py)

* Fix spaces at the beginning of comments in test_logging.py
 2017-12-14 13:04:53 +02:00
Mark Dickinson
a0ce375e10 bpo-29962: add math.remainder (#950) 
* Implement math.remainder.

* Fix markup for arguments; use double spaces after period.

* Mark up function reference in what's new entry.

* Add comment explaining the calculation in the final branch.

* Fix out-of-order entry in whatsnew.

* Add comment explaining why it's good enough to compare m with c, in spite of possible rounding error.
 2017-04-05 18:34:27 +01:00
Mark Dickinson
5e65cd39df Issue #29282: Backed out changeset b33012ef1417 2017-01-21 13:10:52 +00:00
Mark Dickinson
d1b230e48b Issue #29282: add fused multiply-add function, math.fma. 2017-01-21 12:35:30 +00:00
Mark Dickinson
31ba1c3de8 Issue #27427: Additional tests for the math module. Thanks Francisco Couzo. 2016-09-04 12:29:14 +01:00
Mark Dickinson
85746542ea Issue #27953: skip failing math and cmath tests for tan on OS X 10.4. 2016-09-04 09:58:51 +01:00
Mark Dickinson
96f774d824 Issue #26040: Improve test_math and test_cmath coverage and rigour. Thanks Jeff Allen. 2016-09-03 19:30:22 +01:00
Guido van Rossum
0a891d70de Issue #12345: Add mathemathcal constant tau to math and cmath. 
Patch by Lisa Roach. See also PEP 628.
 2016-08-15 09:12:52 -07:00
Martin Panter
8bde911115 Issue #27626: Merge spelling fixes from 3.5 2016-07-28 01:30:58 +00:00
Martin Panter
eb9957065a Issue #27626: Spelling fixes in docs, comments and internal names 
Based on patch by Ville Skyttä.
 2016-07-28 01:11:04 +00:00
Serhiy Storchaka
e437a10d15 Issue #23277: Remove unused imports in tests. 2016-04-24 21:41:02 +03:00
Tal Einat
d5519ed7f4 Issue #19543: Implementation of isclose as per PEP 485 
For details, see:
PEP 0485 -- A Function for testing approximate equality

Functions added: math.isclose() and cmath.isclose().

Original code by Chris Barker. Patch by Tal Einat.
 2015-05-31 22:05:00 +03:00
Serhiy Storchaka
48e47aaa28 Issue #22486: Added the math.gcd() function. The fractions.gcd() function now is 
deprecated.  Based on patch by Mark Dickinson.
 2015-05-13 00:19:51 +03:00
Mark Dickinson
a5d0c7c2fd Issue #23185: add math.inf and math.nan constants. 2015-01-11 11:55:29 +00:00
Mark Dickinson
5990d2864c Issue #20539: Improve math.factorial error messages and types for large inputs. 
- Better message for the OverflowError in large positive inputs.
- Changed exception type from OverflowError to ValueError for large negative inputs.
 2014-04-10 09:29:39 -04:00
Serhiy Storchaka
43767638a9 Issue #18702: All skipped tests now reported as skipped. 2013-11-03 21:31:38 +02:00
Victor Stinner
ebbbdafd87 (Merge 3.2) Close #12230: Mac OS X Tiger (10.4) has a kernel bug: sometimes, 
the file descriptor of a pipe closed in the parent process is valid in the
child process according to fstat(), but the mode of the file descriptor is
invalid, and read or write raise an error.

test.support.requires_mac_ver() is now a decorator, as suggested by Ezio
Melotti, and its docstring is fixed (linux_version => mac_ver).
 2011-06-01 13:19:07 +02:00
Victor Stinner
fce9233e93 test.support: add requires_mac_ver() function 
Add also linux_version() to __all__.
 2011-06-01 12:28:04 +02:00
Victor Stinner
cd9dd37974 Issue #11888: skip some log2 tests on Mac OS X Tiger 
System log2() is not accurate for exact power of 2.
 2011-05-10 23:40:17 +02:00
Mark Dickinson
df77e3d4a0 Issue #11188: In log2 tests, create powers of 2 using ldexp(1, n) instead of the less reliable 2.0**n. 2011-05-09 14:02:45 +01:00
Victor Stinner
fa0e3d52d6 Issue #11888: Add log2 function to math module. Patch written by Mark 
Dickinson.
 2011-05-09 01:01:09 +02:00
Mark Dickinson
5bc7a44477 test_math.py: Use correct signs on zeros for expected fmod results. 2011-05-03 21:13:40 +01:00
Mark Dickinson
0cc28b7a34 Remove an unused import and an unused local definition from test_math.py. 2011-05-03 21:02:51 +01:00
Ezio Melotti
3b3499ba69 #11565: Merge with 3.1. 2011-03-16 11:35:38 +02:00
Ezio Melotti
13925008dc #11565: Fix several typos. Patch by Piotr Kasprzyk. 2011-03-16 11:05:33 +02:00
Eric Smith
f24a0d90a9 Issue #10624: Move requires_IEEE_754 into test.support. I'll fix up other uses of it shortly. 2010-12-04 13:32:18 +00:00
Ezio Melotti
19f2aeba67 Merged revisions 86596 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r86596 | ezio.melotti | 2010-11-20 21:04:17 +0200 (Sat, 20 Nov 2010) | 1 line

  #9424: Replace deprecated assert* methods in the Python test suite.
........
 2010-11-21 01:30:29 +00:00
Ezio Melotti
b3aedd4862 #9424: Replace deprecated assert* methods in the Python test suite. 2010-11-20 19:04:17 +00:00
Victor Stinner
be3da38e0a Issue #10337: skip tests of tanh() sign in test_math and test_cmath if tanh() 
doesn't preserve the zero sign (if TANH_PRESERVES_ZERO_SIGN define is 0).
 2010-11-07 14:14:27 +00:00
Mark Dickinson
c60371748b Issue #9599: Further accuracy tweaks to loghelper. For an integer n that's small enough to be converted to a float without overflow, log(n) is now computed as log(float(n)), and similarly for log10. 2010-09-29 19:06:36 +00:00
Mark Dickinson
8e0c996873 Issue #9165: Add math.isfinite and cmath.isfinite. 2010-07-11 17:38:24 +00:00
Mark Dickinson
be64d95169 Issue #9186: log1p(-1.0) should raise ValueError, not OverflowError. 2010-07-07 16:21:29 +00:00
Benjamin Peterson
97c694b90b looking up on the type is correct, so this isn't an XXX 2010-07-05 17:11:05 +00:00
Mark Dickinson
bcdf9da265 Merged revisions 81967 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r81967 | mark.dickinson | 2010-06-13 11:50:29 +0100 (Sun, 13 Jun 2010) | 4 lines

  Issue #8986: erfc was raising OverflowError on Linux for arguments in
  the (approximate) range (-27.3, 30.0), as a result of an escaped errno
  value.
........
 2010-06-13 10:52:38 +00:00
Mark Dickinson
4c8a9a2df3 Issue #8692: Improve performance of math.factorial: 
(1) use a different algorithm that roughly halves the total number of
    multiplications required and results in more balanced multiplications
(2) use a lookup table for small arguments
(3) fast accumulation of products in C integer arithmetic rather than
    PyLong arithmetic when possible.

Typical speedup, from unscientific testing on a 64-bit laptop, is 4.5x
to 6.5x for arguments in the range 100 - 10000.

Patch by Daniel Stutzbach; extensive reviews by Alexander Belopolsky.
 2010-05-15 17:02:38 +00:00
Mark Dickinson
3d9fa6da93 Merged revisions 81127 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

................
  r81127 | mark.dickinson | 2010-05-12 20:54:51 +0100 (Wed, 12 May 2010) | 9 lines

  Merged revisions 81126 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r81126 | mark.dickinson | 2010-05-12 20:53:36 +0100 (Wed, 12 May 2010) | 1 line

    Fix unused variable in test_factorial.
  ........
................
 2010-05-12 19:57:07 +00:00
Mark Dickinson
91f021fb70 Merged revisions 81126 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r81126 | mark.dickinson | 2010-05-12 20:53:36 +0100 (Wed, 12 May 2010) | 1 line

  Fix unused variable in test_factorial.
........
 2010-05-12 19:54:51 +00:00
Mark Dickinson
f57325392f Merged revisions 78045 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r78045 | mark.dickinson | 2010-02-06 23:16:50 +0000 (Sat, 06 Feb 2010) | 9 lines

  Merged revisions 78041 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r78041 | mark.dickinson | 2010-02-06 23:11:25 +0000 (Sat, 06 Feb 2010) | 1 line

    testCopysign was defined twice in test_math;  combine the definitions
  ........
................
 2010-02-06 23:18:37 +00:00
Mark Dickinson
06b59e0c4b Merged revisions 78041 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r78041 | mark.dickinson | 2010-02-06 23:11:25 +0000 (Sat, 06 Feb 2010) | 1 line

  testCopysign was defined twice in test_math;  combine the definitions
........
 2010-02-06 23:16:50 +00:00
Mark Dickinson
664b511c0a Merged revisions 76861 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r76861 | mark.dickinson | 2009-12-16 20:13:40 +0000 (Wed, 16 Dec 2009) | 3 lines

  Issue #3366: Add expm1 function to math module.  Thanks Eric Smith for
  testing on Windows.
........
 2009-12-16 20:23:42 +00:00
Mark Dickinson
05d2e08401 Merged revisions 76755 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r76755 | mark.dickinson | 2009-12-11 17:29:33 +0000 (Fri, 11 Dec 2009) | 2 lines

  Issue #3366:  Add lgamma function to math module.
........
 2009-12-11 20:17:17 +00:00
Mark Dickinson
d412ab5260 Merged revisions 75454 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r75454 | mark.dickinson | 2009-10-17 08:06:37 +0100 (Sat, 17 Oct 2009) | 1 line

  test_math ulp computation was wrong on big-endian systems
........
 2009-10-17 07:10:00 +00:00
Mark Dickinson
2d53bdecd8 Merged revisions 75157 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r75157 | mark.dickinson | 2009-09-30 17:58:01 +0100 (Wed, 30 Sep 2009) | 1 line

  Fix buggy accuracy test
........
 2009-09-30 17:47:54 +00:00
Mark Dickinson
12c4bdb0e8 Merged revisions 75117 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r75117 | mark.dickinson | 2009-09-28 19:54:55 +0100 (Mon, 28 Sep 2009) | 3 lines

  Issue #3366:  Add gamma function to math module.
  (lgamma, erf and erfc to follow).
........
 2009-09-28 19:21:11 +00:00
Mark Dickinson
63566239f7 Merged revisions 74925 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r74925 | mark.dickinson | 2009-09-18 22:01:50 +0100 (Fri, 18 Sep 2009) | 2 lines

  Use skipUnless to skip math module tests on non-IEEE 754 platforms.
........
 2009-09-18 21:04:19 +00:00