Simple Javascript implementation of CMWC Psuedorandom algorithm

CMWCRand.js

// This was basically ripped straight from http://en.wikipedia.org/wiki/Multiply-with-carry, just javscriptified.
var CMWCRand = function(seed) {
    var i, PHI = 0x9e3779b9;
    if(!seed) { seed = Date.now(); }

    var Q = this.Q = new Uint32Array(4096);
    this.c = 362436;
    this.i = 4095;

    Q[0] = seed;
    Q[1] = seed + PHI;
    Q[2] = seed + PHI + PHI;

    for(i = 3; i < 4096; ++i) {
        Q[i] = Q[i - 3] ^ Q[i - 2] ^ PHI ^ i;
    }
};

CMWCRand.prototype.randomUInt32 = function() {
    var Q = this.Q;
    var t, a = 18782;
    var x, r = 0xfffffffe;
    this.i = (this.i + 1) & 4095;
    t = a * Q[this.i] + this.c;
    this.c = (t >> 32);
    x = t + this.c;
    if (x < this.c) {
        x++;
        this.c++;
    }
    return (Q[this.i] = r - x);
};

var randRange = 1.0/0xffffffff;
CMWCRand.prototype.random = function() {
    return this.randomUInt32() * randRange;
};