// SEM3POPRAWAKOLOSA.cpp : Defines the entry point for the console application.
//
#pragma once
#include "targetver.h"
#include <stdio.h>
#include <tchar.h>
#include <vector>
using namespace std;
class Wielomian
{
public:
Wielomian(int poz, vector<double> &vect);
double value(double x);
Wielomian operator+(const Wielomian &W2);
private:
int n;
vector <double> wsp;
};
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CPP
#include "stdafx.h"
#include <iostream>
#include <vector>
using namespace std;
Wielomian WielomianInit();
void wypisz(Wielomian w);
Wielomian::Wielomian(int poz, vector<double> &vect)
{
this->n = poz;
for (int i = 0; i < vect.size(); i++)
{
this->wsp.push_back(vect[i]);
}
}
double Wielomian:: value(double x)
{
double result = wsp[0];
for (int i = 1; i < this->wsp.size() ; i++)
{
result = result * x + wsp[i];
}
return result;
}
int main()
{
Wielomian w1 = WielomianInit();
wypisz(w1);
Wielomian w2 = WielomianInit();
wypisz(w2);
w1 = w1 + w2;
wypisz(w1);
return 0;
}
void wypisz(Wielomian w)
{
for (double i = -3.0; i <= 3.0; i += 0.5)
{
cout << "--- wartosc wielomianu dla argumentu = " << i << " wynosi " << w.value(i) << endl;
}
}
Wielomian WielomianInit()
{
vector <double> tempWSP;
int n;
double tmp;
cout << "podaj stopien wielomianu" << endl;
cin >> n;
for (int i = 0; i < (n+1); i++)
{
cout << "podaj wspolczynnik dla " << i << " potegi" << endl;
cin >> tmp;
tempWSP.push_back(tmp);
}
Wielomian w1(n, tempWSP);
return w1;
}
Wielomian Wielomian:: operator+(const Wielomian &W2)
{
int roznica = W2.wsp.size() - this->wsp.size();
if (roznica > 0)
{
for (int i = 0; i < roznica; i++)
{
this->wsp.push_back(0);
}
for (int i = 0; i < this->wsp.size(); i++)
{
this->wsp[i] += W2.wsp[i];
}
}
else
{
for (int i = 0; i < W2.wsp.size(); i++)
{
this->wsp[i] += W2.wsp[i];
}
}
return *this;
}
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