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details (randomseed calls rand once to dischard first value)

This commit is contained in:
Roberto Ierusalimschy 2007-03-27 09:37:00 -03:00
parent 97505caa64
commit 8e36e1fe49
1 changed files with 2 additions and 1 deletions
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3
lmathlib.c
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@ -1,5 +1,5 @@
/*
** $Id: lmathlib.c,v 1.67 2005/08/26 17:36:32 roberto Exp roberto $
** $Id: lmathlib.c,v 1.68 2006/08/07 19:01:56 roberto Exp roberto $
** Standard mathematical library
** See Copyright Notice in lua.h
*/
@ -211,6 +211,7 @@ static int math_random (lua_State *L) {
static int math_randomseed (lua_State *L) {
srand(luaL_checkint(L, 1));
(void)rand(); /* discard first value to avoid undesirable correlations */
return 0;
}