//Progres.h
#pragma once
#ifndef PROGRES_H
#define PROGRES_H
#include <iostream>
#include <cmath>
#include <cassert>
using namespace std;

//оставляю первый член, остальное в наследники
class Series {
protected:
    double m_first;
    double m_second;
public:
    virtual double Sum(int) = 0;
    virtual double SerJ(int ) = 0;
};

class Exponential : public Series {
    double m_coef;
public:

    Exponential(double, double);
    Exponential();
    double Sum(int);
    double SerJ(int);
    friend std::ostream& operator<< (std::ostream& out, const Exponential& exponential);
};

class Linear : public Series {
    double m_coef;
public:
    Linear(double, double);
    Linear();

    double Sum(int);
    double SerJ(int);
    friend std::ostream& operator<< (std::ostream& out, const Linear& linear);

};




#endif