我无法从 MT 获得不同的随机数,种子具有固定值(未按照测试人员的建议进行更改)。但是当我在一个程序中调用同一个函数两次时,它会显示不同的值,但即使我多次调用该程序,它也不会随机化值。我不明白我落后的地方。
请就此向我提出建议
下面是从我的 .asc 文件中粘贴的代码(与闪存媒体服务器相关)
主程序
load(shuffle.asc);
application.onAppStart=function()
{
trace("Application Started");
};
application.onConnect=function(client,name)
{
shuffledNumbers();
}
随机播放.asc
var gen_random;
function shuffledeck()
{
trace("shufledeck");
gen_random = new Array();
gen_random= new Array();
for(i=0;i<1000;i++)
{
gen_random[i]=genrand_int32();
}
trace("gen_random: "+gen_random); // HERE WE CAN SEE THE RANDOMLY GENERATED NUMBERS . THE PROBLEM: EVERYTIME I AM GETTING THE SAME RANDOM GENERATED VALUES.
}
var N = 624;
var M = 397;
var MATRIX_A = 0x9908b0df; /* constant vector a */
var UPPER_MASK = 0x80000000; /* most significant w-r bits */
var LOWER_MASK = 0x7fffffff; /* least significant r bits */
var mt =[]; /* the array for the state vector */
var mti ;
var seed ;
var returnLength ;
var maxSize ;
var returnArray = new Array();
/* initializes mt[N] with a seed */
function init_genrand($seed)
{
mt[0]= $seed & 0xffffffff;
for (mti=1; mti<N; mti++) {
mt[mti] = (1812433253 * (mt[mti-1] ^ (mt[mti-1] >> 30)) + mti);
mt[mti] &= 0xffffffff;
/* for >32 bit machines */
}
}
/* initialize by an array with array-length */
/* init_key is the array for initializing keys */
/* key_length is its length */
/* slight change for C++, 2004/2/26 */
// void init_by_array(unsigned long init_key[], int key_length)
/* generates a random number on [0,0xffffffff]-interval */
function genrand_int32()
{
var y ;
var mag01 =[0x0, MATRIX_A];
/* mag01[x] = x * MATRIX_A for x=0,1 */
if (mti >= N)
{
/* generate N words at one time */
var kk ;
if (mti == N+1) /* if init_genrand() has not been called, */
init_genrand(15475454); /* a default initial seed is used */
for (kk=0;kk<N-M;kk++) {
y = (mt[kk]&UPPER_MASK)|(mt[kk+1]&LOWER_MASK);
mt[kk] = mt[kk+M] ^ (y >> 1) ^ mag01[y & 0x1];
}
for (;kk<N-1;kk++) {
y = (mt[kk]&UPPER_MASK)|(mt[kk+1]&LOWER_MASK);
mt[kk] = mt[kk+(M-N)] ^ (y >> 1) ^ mag01[y & 0x1];
}
y = (mt[N-1]&UPPER_MASK)|(mt[0]&LOWER_MASK);
mt[N-1] = mt[M-1] ^ (y >> 1) ^ mag01[y & 0x1];
mti = 0;
}
y = mt[mti++];
/* Tempering */
y ^= (y >> 11);
y ^= (y << 7) & 0x9d2c5680;
y ^= (y << 15) & 0xefc60000;
y ^= (y >> 18);
// trace("y: "+y);
return y;
}
/* generates a random number on [0,0x7fffffff]-interval */
function genrand_int31()
{
return (genrand_int32()>>1);
}
任何帮助都会得到帮助
PS:我试图通过重新设置 int_genrand() 函数并获取输出来说服他们,但它似乎损害了随机性的可预测性。