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gh-111389: Add PyHASH_MULTIPLIER constant (#119214)

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Victor Stinner 2024-05-21 19:51:51 +02:00 • committed by GitHub
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commit f6da790122
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7 changed files with 16 additions and 7 deletions
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Include/cpython/pyhash.h
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@ -3,7 +3,7 @@
#endif
/* Prime multiplier used in string and various other hashes. */
#define _PyHASH_MULTIPLIER 1000003UL /* 0xf4243 */
#define PyHASH_MULTIPLIER 1000003UL /* 0xf4243 */
/* Parameters used for the numeric hash implementation. See notes for
_Py_HashDouble in Python/pyhash.c. Numeric hashes are based on
@ -17,9 +17,10 @@
#define PyHASH_MODULUS (((size_t)1 << _PyHASH_BITS) - 1)
#define PyHASH_INF 314159
#define PyHASH_IMAG _PyHASH_MULTIPLIER
#define PyHASH_IMAG PyHASH_MULTIPLIER
/* Aliases kept for backward compatibility with Python 3.12 */
#define _PyHASH_MULTIPLIER PyHASH_MULTIPLIER
#define _PyHASH_BITS PyHASH_BITS
#define _PyHASH_MODULUS PyHASH_MODULUS
#define _PyHASH_INF PyHASH_INF