问随机生成器从C到Java的移植？

EN

/* choose random initial c<809430660 and */
/* 4096 random 32-bit integers for Q[]   */
static unsigned long Q[4096],c=362436;

unsigned long CMWC4096(void) {
    unsigned long long t, a=18782LL;
    static unsigned long i=4095;
    unsigned long x,r=0xfffffffe;
    i = (i+1) & 4095;
    t = a*Q[i] + c;
    c = (t>>32);
    x = t + c;
    if (x < c) {
        x++;
        c++;
    }
    return (Q[i] = r - x);
}

public class ComplimentaryMultiplyWithCarryRandom {

    /**
     * Choose 4096 random 32-bit integers
     */
    private long[] Q;

    /**
     * choose random initial c<809430660
     */
    private long c = 362436;

    private int i;

    public ComplimentaryMultiplyWithCarryRandom() {
        Random r = new Random(1);
        Q = new long[4096];

        // TODO initialize with real random 32bit values
        for (int i = 0; i < 4096; ++i) {
            long v = r.nextInt();
            v -= Integer.MIN_VALUE;
            Q[i] = v;
        }
        i = 4095;
    }

    int next() {
        i = (i + 1) & 4095;
        long t = 18782 * Q[i] + c;
        c = t >>> 32;
        long x = (t + c) & 0xffffffffL;
        if (x < c) {
            ++x;
            ++c;
        }

        long v = 0xfffffffeL - x;
        Q[i] = v;
        return (int) v;
    }
}