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Explain how the GOLDEN_RATIO constant was calculated.

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wtc%netscape.com 2003-04-10 18:10:12 +00:00
parent 2555b01f28
commit afab90e1d6
1 changed files with 1 additions and 1 deletions
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2
nsprpub/lib/ds/plhash.c
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@ -179,7 +179,7 @@ PL_HashTableDestroy(PLHashTable *ht)
/*
** Multiplicative hash, from Knuth 6.4.
*/
#define GOLDEN_RATIO 0x9E3779B9U
#define GOLDEN_RATIO 0x9E3779B9U /* 2/(1+sqrt(5))*(2^32) */
PR_IMPLEMENT(PLHashEntry **)
PL_HashTableRawLookup(PLHashTable *ht, PLHashNumber keyHash, const void *key)