MAIN.cpp------------------------------------------------------------

#include <iostream>
#include <iomanip>
#include "headers.h"

using namespace std;

int main(int argc, char** argv)
{
    double wsp[] = {-2, 1, 3, 1};

    Wielomian p(3, wsp);
    p.show();

    cout << "    x      p(x)" << endl;
    cout << "---------------" << endl;
    for(double x = -2.0; x<=2.0; x+=0.5) {
        cout << setw(6) << setprecision(1) << x;
        cout << setw(10) << setprecision(3) << p(x) << endl;
    }

    p.horner(double 2); // czemu to nie dziala!

    return 0;
}

// Trzeba zrobic:
// odejmowanie wielomianu
// mnozenie
// dzielenie
// potrzebujemy funkci ktora zwraca stopien wielomianu
// robimy to na kopiach


HEADERS.h -------------------------------------------------------------------------------


#include<iostream>

using namespace std;

class Wielomian {

private:

    int n;
    double *a;

public:

    Wielomian();
    //Wielomian(int n);
    Wielomian(int n, double *a);
    //Wielomian(Wielomian& p);
    ~Wielomian();

    double horner(double x);
    void show();
    double operator()(double x);

    double dodawanie_wielomianow();

};


HEADERS.cpp --------------------------------------------------------------------------------


#include<iostream>
#include "headers.h"

using namespace std;

/* Wielomian:Wielomian() {
    n = 0;
    n = new double[i];

} */

Wielomian::Wielomian(int n, double *a) {
    this -> n = n;
    this -> a = new double[n+1];
    for(int i = 0; i<=n; ++i) this -> a[i] = a[i];
}

Wielomian::~Wielomian(){
    delete [] a;
}

void Wielomian::show(){
cout << "Wielomian stpnia" << n << endl;
cout << "Wspolczynniki: ";
for(int i = n; i > 0; --i) cout << a[i] << ", ";
cout << a[0] << endl;
}

double Wielomian::horner(double x){
    double res = a[n];
    int i = n;
    while(i>0) res = res*x + a[--i];
    return res;
}

double Wielomian::operator()(double x) {
    return horner(x);
}

/*int stopien_wielomianu(){

}

double dodawanie_wielomianow() {
    double tab1[n_max];
    double tab2[n_max];
} */