OOP LV5 - Zadatak1

#include <iostream>

using namespace std;

class GeoException : public exception {
private:
    double mA, mB, mC;
public:
    GeoException(double, double, double);
    double getA();
    double getB();
    double getC();
};

GeoException::GeoException(double A, double B, double C) : mA(A), mB(B), mC(C) {}

double GeoException::getA() {
    return mA;
}

double GeoException::getB() {
    return mB;
}

double GeoException::getC() {
    return mC;
}

class Trokut {
private:
    double mA, mB, mC;
public:
    Trokut();
    Trokut(double, double, double);
    double povrsina();
    double opseg();
    bool pravokutan();
};

Trokut::Trokut() : mA(0), mB(0), mC(0) {}

Trokut::Trokut(double A, double B, double C) : mA(A), mB(B), mC(C) {
    if (mC >= mA + mB || mB >= mA + mC || mA >= mB + mC) {
        throw GeoException(mA, mB, mC);
    }
}

double Trokut::povrsina() {
    double s = (mA + mB + mC) / 2;
    return sqrt(s*(s - mA)*(s - mB)*(s - mC));
}

double Trokut::opseg() {
    return mA + mB + mC;
}

bool Trokut::pravokutan() {
    if (mC == sqrt(mA * mA + mB * mB)) {
        return true;
    }
    return false;
}

int main() {
    try {
        Trokut T1, T2(7, 5, 6);
        cout << "Prvi trokut: " << endl;
        cout << "Opseg: " << T1.opseg() << "\nPovrsina: " << T1.povrsina() << endl;
        cout << "Drugi trokut: " << endl;
        cout << "Opseg: " << T2.opseg() << "\nPovrsina: " << T2.povrsina() << endl;

        if (T2.pravokutan()) {
            cout << "Trokut je pravokutan." << endl;
        }
        else {
            cout << "Trokut nije pravokutan." << endl;
        }

    }
    catch (GeoException& iznimka) {
        cout << "Trokut sa stranicama: " << iznimka.getA() << ", " << iznimka.getB() << ", " << iznimka.getC() << " nije moguc." << endl;
    }

    return 0;
}