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* gh-121040: Use __attribute__((fallthrough)) (#121044)Victor Stinner2024-06-271-3/+3
| | | | | | | | | | | | | Fix warnings when using -Wimplicit-fallthrough compiler flag. Annotate explicitly "fall through" switch cases with a new _Py_FALLTHROUGH macro which uses __attribute__((fallthrough)) if available. Replace "fall through" comments with _Py_FALLTHROUGH. Add _Py__has_attribute() macro. No longer define __has_attribute() macro if it's not defined. Move also _Py__has_builtin() at the top of pyport.h. Co-Authored-By: Nikita Sobolev <mail@sobolevn.me>
* gh-119613: Use C99+ functions instead of Py_IS_NAN/INFINITY/FINITE (#119619)Sergey B Kirpichev2024-05-291-3/+3
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* gh-108765: Cleanup #include in Python/*.c files (#108977)Victor Stinner2023-09-061-1/+2
| | | Mention one symbol imported by each #include.
* gh-104263: Rely on Py_NAN and introduce Py_INFINITY (GH-104202)Sebastian Berg2023-05-101-40/+1
| | | | | | | | | | This PR removes `_Py_dg_stdnan` and `_Py_dg_infinity` in favour of using the standard `NAN` and `INFINITY` macros provided by C99. This change has the side-effect of fixing a bug on MIPS where the hard-coded value used by `_Py_dg_stdnan` gave a signalling NaN rather than a quiet NaN. --------- Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* bpo-45995: add "z" format specifer to coerce negative 0 to zero (GH-30049)John Belmonte2022-04-111-2/+20
| | | | | | | | Add "z" format specifier to coerce negative 0 to zero. See https://github.com/python/cpython/issues/90153 (originally https://bugs.python.org/issue45995) for discussion. This covers `str.format()` and f-strings. Old-style string interpolation is not supported. Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* bpo-46656: Remove Py_NO_NAN macro (GH-31160)Victor Stinner2022-02-251-2/+0
| | | | Building Python now requires support for floating point Not-a-Number (NaN): remove the Py_NO_NAN macro.
* bpo-45412: Add _PY_SHORT_FLOAT_REPR macro (GH-31171)Victor Stinner2022-02-231-7/+7
| | | | | | | | | | Remove the HAVE_PY_SET_53BIT_PRECISION macro (moved to the internal C API). * Move HAVE_PY_SET_53BIT_PRECISION macro to pycore_pymath.h. * Replace PY_NO_SHORT_FLOAT_REPR macro with _PY_SHORT_FLOAT_REPR macro which is always defined. gcc -Wundef emits a warning when using _PY_SHORT_FLOAT_REPR but the macro is not defined, if pycore_pymath.h include was forgotten.
* bpo-45412: Move _Py_SET_53BIT_PRECISION_START to pycore_pymath.h (GH-28882)Victor Stinner2021-10-111-0/+1
| | | | | | | | | | | | | | | Move the following macros , to pycore_pymath.h (internal C API): * _Py_SET_53BIT_PRECISION_HEADER * _Py_SET_53BIT_PRECISION_START * _Py_SET_53BIT_PRECISION_END PEP 7: add braces to if and "do { ... } while (0)" in these macros. Move also _Py_get_387controlword() and _Py_set_387controlword() definitions to pycore_pymath.h. These functions are no longer exported. pystrtod.c now includes pycore_pymath.h.
* bpo-42519: Replace PyMem_MALLOC() with PyMem_Malloc() (GH-23586)Victor Stinner2020-12-011-2/+2
| | | | | | | | | | | No longer use deprecated aliases to functions: * Replace PyMem_MALLOC() with PyMem_Malloc() * Replace PyMem_REALLOC() with PyMem_Realloc() * Replace PyMem_FREE() with PyMem_Free() * Replace PyMem_Del() with PyMem_Free() * Replace PyMem_DEL() with PyMem_Free() Modify also the PyMem_DEL() macro to use directly PyMem_Free().
* bpo-35081: Move dtoa.h header to the internal C API (GH-18489)Victor Stinner2020-02-121-0/+1
| | | | | | | 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.
* bpo-38835: Don't use PyFPE_START_PROTECT and PyFPE_END_PROTECT (GH-17231)Victor Stinner2019-11-201-2/+0
| | | | | The PyFPE_START_PROTECT() and PyFPE_END_PROTECT() macros are empty: they have been doing nothing for the last year (since commit 735ae8d139a673b30b321dc10acfd3d14f0d633b), so stop using them.
* bpo-27268: Fix incorrect error message on float('') (GH-2745)Pedro Lacerda2019-05-171-3/+3
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* bpo-35436: Add missing PyErr_NoMemory() calls and other minor bug fixes. ↵Zackery Spytz2018-12-071-0/+3
| | | | | | (GH-11015) Set MemoryError when appropriate, add missing failure checks, and fix some potential leaks.
* closes bpo-34646: Remove PyAPI_* macros from declarations. (GH-9218)Benjamin Peterson2018-09-121-2/+2
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* bpo-34087: Fix buffer overflow in int(s) and similar functions (GH-8274)INADA Naoki2018-07-141-0/+2
| | | | | | `_PyUnicode_TransformDecimalAndSpaceToASCII()` missed trailing NUL char. It caused buffer overflow in `_Py_string_to_number_with_underscores()`. This bug is introduced in 9b6c60cb.
* Drop confusing commented out code in pystrtod.c (GH-6072)Siddhesh Poyarekar2018-03-111-2/+0
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* Fix strncpy warning with gcc 8 (#5840)Siddhesh Poyarekar2018-03-061-2/+2
| | | | | The length in strncpy is one char too short and as a result it leads to a build warning with gcc 8. Comment out the strncpy since the interpreter aborts immediately after anyway.
* Add the const qualifier to "char *" variables that refer to literal strings. ↵Serhiy Storchaka2017-11-111-1/+2
| | | | (#4370)
* bpo-31338 (#3374)Barry Warsaw2017-09-151-3/+3
| | | | | | | * Add Py_UNREACHABLE() as an alias to abort(). * Use Py_UNREACHABLE() instead of assert(0) * Convert more unreachable code to use Py_UNREACHABLE() * Document Py_UNREACHABLE() and a few other macros.
* Issue #26331: Implement the parsing part of PEP 515.Brett Cannon2016-09-091-0/+66
| | | | Thanks to Georg Brandl for the patch.
* Issue #25923: Added the const qualifier to static constant arrays.Serhiy Storchaka2015-12-251-4/+5
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* Removed duplicated words in in comments and docs.Serhiy Storchaka2014-12-011-1/+1
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* Re #18521: remove assignments of variables that are immediately reassigned.Georg Brandl2013-10-141-1/+1
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* Issue #9566: pystrtod.c: Fix a compiler warnings on Windows x64Victor Stinner2013-06-241-2/+2
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* Issue #14521: Make result of float('nan') and float('-nan') more consistent ↵Mark Dickinson2012-04-291-0/+39
| | | | across platforms. Further, don't rely on Py_HUGE_VAL for float('inf').
* Issue #8914: fix various warnings from the Clang static analyzer v254.Brett Cannon2011-02-221-1/+1
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* Recorded merge of revisions 81029 via svnmerge fromAntoine Pitrou2010-05-091-952/+952
| | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines Untabify C files. Will watch buildbots. ........
* Issue #5988: Delete deprecated functions PyOS_ascii_formatd, ↵Eric Smith2010-02-221-63/+12
| | | | PyOS_ascii_strtod, and PyOS_ascii_atof.
* Merged revisions 77691,77698,77713-77714 via svnmerge fromMark Dickinson2010-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r77691 | mark.dickinson | 2010-01-22 16:18:09 +0000 (Fri, 22 Jan 2010) | 1 line Correct typo in comment. ........ r77698 | mark.dickinson | 2010-01-22 17:04:07 +0000 (Fri, 22 Jan 2010) | 3 lines Issue #7743: Fix a potential incorrect rounding bug in dtoa.c (2nd bug in issue 7743). ........ r77713 | mark.dickinson | 2010-01-23 20:48:56 +0000 (Sat, 23 Jan 2010) | 3 lines Issue #7743: Add checks for zero inputs to the lshift and mult functions; this fixes the first bug described in issue #7743. ........ r77714 | mark.dickinson | 2010-01-23 21:25:53 +0000 (Sat, 23 Jan 2010) | 1 line dtoa.c fix from upstream that fixes incorrectly rounded results for certain subnormals that are also halfway cases. ........
* Move some comments to more appropriate placesMark Dickinson2009-10-261-5/+8
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* Refactor to remove duplicated nan/inf parsing code inMark Dickinson2009-05-201-39/+60
| | | | pystrtod.c, floatobject.c and dtoa.c.
* Issue #5920: Changed format.__float__ and complex.__float__ to use a ↵Eric Smith2009-05-051-33/+13
| | | | precision of 12 when using the empty presentation type. This more closely matches str()'s behavior and reduces surprises when adding alignment flags to an empty format string. Patch by Mark Dickinson.
* Merged revisions 72257 via svnmerge fromMark Dickinson2009-05-031-3/+16
| | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r72257 | mark.dickinson | 2009-05-03 23:33:34 +0100 (Sun, 03 May 2009) | 2 lines Don't use PyOS_strnicmp for NaN and Inf detection: it's locale-aware. ........
* Issue #5914: Add new C-API function PyOS_string_to_double, to complementMark Dickinson2009-05-031-17/+100
| | | | PyOS_double_to_string, and deprecate PyOS_ascii_strtod and PyOS_ascii_atof.
* Issue #5859: Remove use of fixed-length buffers for float formattingMark Dickinson2009-05-011-25/+69
| | | | | | in unicodeobject.c and the fallback version of PyOS_double_to_string. As a result, operations like '%.120e' % 12.34 no longer raise an exception.
* Issue #5864: Fix problem with empty code formatting for floats,Mark Dickinson2009-04-291-78/+114
| | | | where a bogus trailing zero could be added.
* Merged revisions 72040 via svnmerge fromEric Smith2009-04-271-15/+9
| | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r72040 | eric.smith | 2009-04-27 15:04:37 -0400 (Mon, 27 Apr 2009) | 1 line Issue #5793: rationalize isdigit / isalpha / tolower, etc. Will port to py3k. Should fix Windows buildbot errors. ........
* Issue #5835: Deprecate PyOS_ascii_formatd.Eric Smith2009-04-261-3/+19
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* Merged revisions 71976 via svnmerge fromMark Dickinson2009-04-261-2/+2
| | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r71976 | mark.dickinson | 2009-04-26 20:54:55 +0100 (Sun, 26 Apr 2009) | 2 lines Fix typo in function name ........
* Internal plumbing changes for float parsing:Mark Dickinson2009-04-261-30/+57
| | | | | | - check for nans and infs within PyOS_ascii_strtod - simplify parsing in PyFloat_FromString, and handle out-of-memory errors properly
* Issue #5816: Simplify code for parsing and printing of complex numbers.Mark Dickinson2009-04-231-10/+13
| | | | | nans and infs are no longer given special treatment; as a result, repr(complex(z)) recovers z for any complex number z.
* Issue 5780: Fix test_float failures for legacy style float repr.Mark Dickinson2009-04-171-4/+61
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* Simplify PyOS_double_to_string.Eric Smith2009-04-161-33/+31
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* The other half of Issue #1580: use short float repr where possible.Eric Smith2009-04-161-56/+540
| | | | | | | | | | | | | | Addresses the float -> string conversion, using David Gay's code which was added in Mark Dickinson's checkin r71663. Also addresses these, which are intertwined with the short repr changes: - Issue #5772: format(1e100, '<') produces '1e+100', not '1.0e+100' - Issue #5515: 'n' formatting with commas no longer works poorly with leading zeros. - PEP 378 Format Specifier for Thousands Separator: implemented for floats.
* Added ',' thousands grouping to int.__format__. See PEP 378.Eric Smith2009-04-031-1/+1
| | | | | | | | | This is incomplete, but I want to get some version into the next alpha. I am still working on: Documentation. More tests. Implement for floats. In addition, there's an existing bug with 'n' formatting that carries forward to thousands grouping (issue 5515).
* Merged revisions 65125 via svnmerge fromEric Smith2008-07-191-0/+4
| | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r65125 | eric.smith | 2008-07-18 20:24:05 -0400 (Fri, 18 Jul 2008) | 1 line Fix issue 3411: default float format spec fails on negative numbers. ........
* Merged revisions 64491 via svnmerge fromEric Smith2008-06-241-2/+2
| | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r64491 | eric.smith | 2008-06-23 20:42:10 -0400 (Mon, 23 Jun 2008) | 1 line Modified interface to _Py_[String|Unicode]InsertThousandsGrouping, in anticipation of fixing issue 3140. ........
* Renamed PyString to PyBytesChristian Heimes2008-05-261-1/+1
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* Merged revisions 63078 via svnmerge fromEric Smith2008-05-111-45/+4
| | | | | | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk When forward porting this, I added _PyUnicode_InsertThousandsGrouping. ........ r63078 | eric.smith | 2008-05-11 15:52:48 -0400 (Sun, 11 May 2008) | 14 lines Addresses issue 2802: 'n' formatting for integers. Adds 'n' as a format specifier for integers, to mirror the same specifier which is already available for floats. 'n' is the same as 'd', but inserts the current locale-specific thousands grouping. I added this as a stringlib function, but it's only used by str type, not unicode. This is because of an implementation detail in unicode.format(), which does its own str->unicode conversion. But the unicode version will be needed in 3.0, and it may be needed by other code eventually in 2.6 (maybe decimal?), so I left it as a stringlib implementation. As long as the unicode version isn't instantiated, there's no overhead for this. ........
* Merged revisions 62586 via svnmerge fromEric Smith2008-04-301-128/+229
| | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r62586 | eric.smith | 2008-04-29 21:09:30 -0400 (Tue, 29 Apr 2008) | 5 lines Issue 2526, float.__format__ 'n' specifier does not support thousands grouping. Implemented grouping, with tests. Cleaned up PyOS_ascii_formatd by breaking reformatting into smaller functions. ........
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