polynomial.h

#include<iostream>
#include<vector>
#include <algorithm>
#include <random>
#include<time.h>
#include"monomial.h"
using namespace std;

class polynomial
{
    vector<monomial*> ms;
public:
    static int dt, steps;
    polynomial(const polynomial&);
    polynomial(const polynomial&, int, int, int d=0);
    polynomial(const monomial&);
    polynomial(double d);
    polynomial(double** t,int n); // t size nx2
    polynomial();
    ~polynomial();

    friend ostream& operator<<(ostream&, const polynomial&);

    polynomial* operator+=(const monomial&);
    polynomial* operator+(const polynomial&);
    polynomial* operator-=(const monomial&);
    polynomial* operator-(const polynomial&);
    polynomial* operator*=(const monomial&);
    polynomial* operator*(const polynomial&);

    polynomial* mul(const polynomial&); // optimized
    polynomial* mul(const polynomial&, int, int, int, int) const;
    polynomial* add(const polynomial&, int, int, int, int,int d=0) const;

    polynomial* simplify();
    double eval(double);

    polynomial* sort();

    static polynomial* rand(int);
    unsigned int size();
};