Commit Graph

8 Commits

Author SHA1 Message Date
Oleg Iarygin 4060111f9d
bpo-46816: Remove declarations for non-__STDC__ compilers (GH-31466)
After Python switched to C11, there is a guarantee that every compiler
conforms to ISO C so checks of __STDC__ have no sense.
2022-02-26 00:16:59 +01:00
Victor Stinner 9bbdde2180
bpo-45412: Add _PY_SHORT_FLOAT_REPR macro (GH-31171)
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.
2022-02-23 18:16:23 +01:00
Victor Stinner 00ffc4513d
bpo-45440: Remove pymath.c fallbacks (GH-28977)
Remove fallbacks for missing round(), copysign() and hypot() in
Python/pymath.c. Python now requires these functions to build.

These fallbacks were needed on Visual Studio 2012 and older. They are
no longer needed since Visual Stuido 2013. Python is now built with
Visual Studio 2017 or newer since Python 3.6.
2021-10-15 19:45:34 +02:00
Victor Stinner 194a9526d8
bpo-45440: Require math.h isinf() to build (GH-28894)
Building Python now requires a C99 <math.h> header file providing
isinf(), isnan() and isfinite() functions.

Remove the Py_FORCE_DOUBLE() macro. It was used by the
Py_IS_INFINITY() macro.

Changes:

* Remove Py_IS_NAN(), Py_IS_INFINITY() and Py_IS_FINITE()
  in PC/pyconfig.h.
* Remove the _Py_force_double() function.
* configure no longer checks if math.h defines isinf(), isnan() and
  isfinite().
2021-10-13 23:27:50 +02:00
Victor Stinner 61190e092b
bpo-45412: Move copysign() define to pycore_pymath.h (GH-28889)
Move definitions of copysign(), round(), hypot(), fmod(), etc. from
pymath.h to pycore_pymath.h. These functions are not exported by
libpython and so must not be part of the C API.
2021-10-12 00:12:00 +02:00
Victor Stinner 7103356455
bpo-45412: Move _Py_SET_53BIT_PRECISION_START to pycore_pymath.h (GH-28882)
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.
2021-10-11 23:09:40 +02:00
Victor Stinner a9fe1a8e5b
bpo-45412: Update _Py_ADJUST_ERANGE1() comment (GH-28884)
Copy the comment from the removed Py_OVERFLOWED() function.
2021-10-11 23:07:41 +02:00
Victor Stinner 2f92e2a590
bpo-45412: Remove Py_SET_ERRNO_ON_MATH_ERROR() macro (GH-28820)
Remove the following math macros using the errno variable:

* Py_ADJUST_ERANGE1()
* Py_ADJUST_ERANGE2()
* Py_OVERFLOWED()
* Py_SET_ERANGE_IF_OVERFLOW()
* Py_SET_ERRNO_ON_MATH_ERROR()

Create pycore_pymath.h internal header file.

Rename Py_ADJUST_ERANGE1() and Py_ADJUST_ERANGE2() to
_Py_ADJUST_ERANGE1() and _Py_ADJUST_ERANGE2(), and convert these
macros to static inline functions.

Move the following macros to pycore_pymath.h:

* _Py_IntegralTypeSigned()
* _Py_IntegralTypeMax()
* _Py_IntegralTypeMin()
* _Py_InIntegralTypeRange()
2021-10-11 21:00:25 +02:00