Method sign

src/main/java/org/dynjs/runtime/Types.java:324–330

(Number n)

    }

    protected static int sign(Number n) {
        if (n.doubleValue() < 0) {
            return -1;
        }

        return 1;
    }

    public static Long toUint32(ExecutionContext context, Object o) {
        // 9.5