25.cpp

#include <iostream>
#include <cmath>
using namespace std;
class FractionType
{
    private:
        int iNum, iDen;
        
    public:
//        FractionType();
//        ~FractionType();
//        FractionType(int,int);
//        FractionType(int);
//        FractionType(FractionType&);
        void fnSetFraction(int, int);
        void fnSetFraction(int);
        void fnShowFraction();
        void fnReduceFraction();
        FractionType fnAddFraction(FractionType&);
        FractionType fnAddFraction(int);
};


int main(void)
{
    FractionType f1,f2,f3;    

    f1.fnShowFraction();  
    f2.fnShowFraction();
    
//    cout << "\nEnter the first fraction" << endl;
    f1.fnSetFraction(1,4);
    f2.fnSetFraction(1,4);  
    
    f1.fnShowFraction();  
    f2.fnShowFraction();
    f3 = f1.fnAddFraction(f2);
    f3.fnShowFraction();
    f3 = f1.fnAddFraction(1);
    f3.fnShowFraction();

//    FractionType f4(f3); 
//    f4.fnShowFraction();   
    FractionType f4;    
    f4.fnShowFraction();   
    return 0;
}

//FractionType :: FractionType(FractionType &f)
//{
//    cout << "\nCopy constructor\n";
//    iNum = f.iNum;
//    iDen = f.iDen;
//}


//FractionType :: FractionType()
//{
//    cout << "\nZero parameter constructor\n";
//    iNum = 0;
//    iDen = 1;
//}


//FractionType :: ~FractionType()
//{
//    cout << "\nDestructor invoked\n";
//}

//FractionType :: FractionType(int iVal1, int iVal2)
//{
//    cout << "\nTwo parameter constructor\n";
//    iNum = iVal1;
//    iDen = iVal2;
//}

//FractionType :: FractionType(int iVal1)
//{
//    cout << "\nOne parameter constructor\n";
//    iNum = iVal1;
//    iDen = 1;
//}

void FractionType :: fnSetFraction(int iN, int iD)
{
    iNum = iN;
    iDen = iD;
}

void FractionType :: fnSetFraction(int iN)
{
    iNum = iN;
    iDen = 1;
}
    
void FractionType :: fnShowFraction()
{
    cout << "Fraction : " << "( " << iNum << " / " << iDen << " )" << endl;
}

FractionType FractionType :: fnAddFraction(FractionType &b)
{
    FractionType res;
    
    res.iNum = (iNum * b.iDen + iDen * b.iNum);
    res.iDen = (iDen * b.iDen);
    return res;
}

FractionType FractionType :: fnAddFraction(int b)
{
    FractionType res;
    
    res.iNum = (iNum  + iDen * b);
    res.iDen = (iDen);
    return res;
}

//FractionType FractionType :: fnAddFraction(int b)
//{
//    FractionType res;
//    FractionType sec;
//    sec.fnSetFraction(b);
//    res = this->fnAddFraction(sec);
//    return res;
//}