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o Shuffle the keys to stop degeneracy.

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This commit is contained in:
Joe Thornber 2001-10-25 12:38:18 +00:00
parent b27957a686
commit 11f0a12ed8
1 changed files with 2 additions and 2 deletions
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4
lib/datastruct/btree.c
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@ -37,9 +37,9 @@ struct btree *btree_create(struct pool *mem)
*/ */
static uint32_t _shuffle(uint32_t k) static uint32_t _shuffle(uint32_t k)
{ {
#if 0 #if 1
return ((k & 0xff) << 24 | return ((k & 0xff) << 24 |
(k & 0xff00) << 16 | (k & 0xff00) << 8 |
(k & 0xff0000) >> 8 | (k & 0xff0000) >> 8 |
(k & 0xff000000) >> 24); (k & 0xff000000) >> 24);
#else #else