Method toUint32

src/main/java/org/dynjs/runtime/Types.java:332–349

(ExecutionContext context, Object o)

    }

    public static Long toUint32(ExecutionContext context, Object o) {
        // 9.5
        Number n = toNumber(context, o);

        if (n instanceof Double) {
            if (((Double) n).isInfinite() || ((Double) n).isNaN() || ((Double) n).doubleValue() == -0) {
                return (long) 0;
            }
        }

        double d = n.doubleValue();

        long posInt = (long) ((sign(d)) * Math.floor(Math.abs(d)));

        long int32bit = modulo(posInt, 4294967296L);

        return (long) int32bit;
    }

    public static long modulo(long a, long b) {
        // because Java modulo doesn't deal with negatives the way the