Xorshift.hx

class Xorshift {

    private var x:UInt;
    private var y:UInt;
    private var z:UInt;
    private var w:UInt;

    private var t:UInt;

    public function new(x:UInt = 1234, y:UInt = 5678, z:UInt = 9876, w:UInt = 5432) {
        this.x = x;
        this.y = y;
        this.z = z;
        this.w = w;
    }

    public function nextUInt():UInt {
        t = x ^ (x << 11);
        x = y;
        y = z;
        z = w;
        return w = (w ^ (w >>> 19)) ^ (t ^ (t >>> 8)); 
    }

    public function nextFloat():Float {
        t = x ^ (x << 11);
        x = y;
        y = z;
        z = w;
        w = (w ^ (w >>> 19)) ^ (t ^ (t >>> 8));
        return w / 4294967295;
    }

}