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bpo-45440: Remove pymath.c fallbacks (GH-28977)

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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.
This commit is contained in:
Victor Stinner 2021-10-15 19:45:34 +02:00 • committed by GitHub
parent 51f8196d05
commit 00ffc4513d
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8 changed files with 9 additions and 90 deletions
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18
Include/internal/pycore_pymath.h
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@ -8,24 +8,6 @@ extern "C" {
# error "this header requires Py_BUILD_CORE define"
#endif
// Python provides implementations for copysign(), round() and hypot() in
// Python/pymath.c just in case your math library doesn't provide the
// functions.
//
// Note: PC/pyconfig.h defines copysign as _copysign
#ifndef HAVE_COPYSIGN
extern double copysign(double, double);
#endif
#ifndef HAVE_ROUND
extern double round(double);
#endif
#ifndef HAVE_HYPOT
extern double hypot(double, double);
#endif
// Extra declarations
#if !defined(_MSC_VER) && !defined(__STDC__)
extern double fmod (double, double);