diff options
| author | Jeroen van Wolffelaar <jeroen@php.net> | 2001-09-03 01:06:23 +0000 |
|---|---|---|
| committer | Jeroen van Wolffelaar <jeroen@php.net> | 2001-09-03 01:06:23 +0000 |
| commit | f7306ce0109b246ff23901ed6b91d58de4c9dd42 (patch) | |
| tree | ae671af313651abee6fe81dee1f84b5f7ab1ca25 /ext/standard/lcg.c | |
| parent | d4197ea703cef9f1cf6afd7065b4cab9af4a898c (diff) | |
| download | php-git-f7306ce0109b246ff23901ed6b91d58de4c9dd42.tar.gz | |
Merge RAND_REDESIGN into MAIN
Diffstat (limited to 'ext/standard/lcg.c')
| -rw-r--r-- | ext/standard/lcg.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/ext/standard/lcg.c b/ext/standard/lcg.c index 7ae45a0ef0..f211317d73 100644 --- a/ext/standard/lcg.c +++ b/ext/standard/lcg.c @@ -42,6 +42,11 @@ static int php_lcg_initialized = 0; * The function combines two CGs with periods of * 2^31 - 85 and 2^31 - 249. The period of this function * is equal to the product of both primes. + * + * There are only about 65k distinct starting values, that's + * not much... If PHP is running as CGI, randomness is quite bad. + * If it is run as a module, it's long-livin', so no problem in that + * case. */ #define MODMULT(a, b, c, m, s) q = s/a;s=b*(s-a*q)-c*q;if(s<0)s+=m @@ -103,5 +108,5 @@ PHP_FUNCTION(lcg_value) * c-basic-offset: 4 * End: * vim600: sw=4 ts=4 tw=78 fdm=marker - * vim<600: sw=4 ts=4 tw=78 + * vim<600: sw=8 ts=8 tw=78 */ |