public LinkedListTabulatedFunction(double leftX, double rightX, double[] values) {
        if (leftX >= rightX || values.length < 2) {
            throw new IllegalArgumentException();
        }
        size = values.length;
        double difference = (rightX - leftX) / (values.length - 1);
        FunctionNode[] array = new FunctionNode[(int) (size + Math.ceil(size / 2.))];
        for (int i = 0; i < size; ++i) {
            array[i] = new FunctionNode(new FunctionPoint(leftX + difference * i, values[i]));
        }
        array[0] = new FunctionNode (array[0].point, array[size - 1], array[1]);
        for (int i = 1; i < size - 1; ++i) {
            array[i] = new FunctionNode(array[i].point, array[i - 1], array[i + 1]);
        }
        array[size - 1] = new FunctionNode(array[size - 1].point, array[size - 2], array[0]);
        currentFunctionNode = array[size - 1];
        currentIndex = size - 1;
        head = array[0];
    }