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For type 0 rng lower initial drop to 50, it is enough to hide linearity

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Reorganize historic #ifdef section
This commit is contained in:
Andrey A. Chernov 2003-08-10 17:49:55 +00:00
parent 4cca7f0aed
commit 40220dde01
1 changed files with 5 additions and 1 deletions
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6
lib/libc/stdlib/random.c
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@ -142,7 +142,11 @@ __FBSDID("$FreeBSD$");
*/
#define MAX_TYPES 5 /* max number of types above */
#define NSHUFF 100 /* to drop part of seed -> 1st value correlation */
#ifdef USE_WEAK_SEEDING
#define NSHUFF 0
#else /* !USE_WEAK_SEEDING */
#define NSHUFF 50 /* to drop some "seed -> 1st value" linearity */
#endif /* !USE_WEAK_SEEDING */
static long degrees[MAX_TYPES] = { DEG_0, DEG_1, DEG_2, DEG_3, DEG_4 };
static long seps [MAX_TYPES] = { SEP_0, SEP_1, SEP_2, SEP_3, SEP_4 };