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v0.8.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision dc8ce8ead182de46584cc1ed8a8c51d48240cbd5 authored by Miss Islington (bot) on 29 June 2020, 18:12:50 UTC, committed by GitHub on 29 June 2020, 18:12:50 UTC 
bpo-41004: Resolve hash collisions for IPv4Interface and IPv6Interface (GH-21033)
 

The __hash__() methods of classes IPv4Interface and IPv6Interface had issue
of generating constant hash values of 32 and 128 respectively causing hash collisions.
The fix uses the hash() function to generate hash values for the objects
instead of XOR operation
(cherry picked from commit b30ee26e366bf509b7538d79bfec6c6d38d53f28)

Co-authored-by: Ravi Teja P <rvteja92@gmail.com>
1 parent 7731139
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Tip revision: dc8ce8ead182de46584cc1ed8a8c51d48240cbd5 authored by Miss Islington (bot) on 29 June 2020, 18:12:50 UTC
bpo-41004: Resolve hash collisions for IPv4Interface and IPv6Interface (GH-21033)
Tip revision: dc8ce8e
_math.h 
#ifdef HAVE_ACOSH
#  define m_acosh acosh
#else
/* if the system doesn't have acosh, use the substitute
   function defined in Modules/_math.c. */
double _Py_acosh(double x);
#  define m_acosh _Py_acosh
#endif

#ifdef HAVE_ASINH
#  define m_asinh asinh
#else
/* if the system doesn't have asinh, use the substitute
   function defined in Modules/_math.c. */
double _Py_asinh(double x);
#  define m_asinh _Py_asinh
#endif

#ifdef HAVE_ATANH
#  define m_atanh atanh
#else
/* if the system doesn't have atanh, use the substitute
   function defined in Modules/_math.c. */
double _Py_atanh(double x);
#define m_atanh _Py_atanh
#endif

#ifdef HAVE_EXPM1
#  define m_expm1 expm1
#else
/* if the system doesn't have expm1, use the substitute
   function defined in Modules/_math.c. */
double _Py_expm1(double x);
#define m_expm1 _Py_expm1
#endif

double _Py_log1p(double x);

/* Use the substitute from _math.c on all platforms:
   it includes workarounds for buggy handling of zeros. */
#define m_log1p _Py_log1p
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