QUADRATIC

#include<iostream>
#include<math.h> //used for sqrt function
using namespace std;
 class Quadratic
 {
 private :
 int a,b,c,x;
 public:
 Quadratic()
 {
 a=b=c=0;
 }
 Quadratic(int a,int b,int c)
 {
 this->a=a;
 this->b=b;
 this->c=c;
 }
 //overloaded insertion (<<) opertor
 friend ostream &operator<<(ostream &out, Quadratic &q)
 {
 out<<"\nQuadratic equation is\t";
 out <<q.a<<" X * X + "<<q.b<<" X +"<<q.c ;
 return out;
 }

//overloaded extraction (>>) opertor

friend istream &operator>>(istream &in, Quadratic &q)
 {
 cout<<"\nEnter values of a,b,c of quadratic equation:\n";
 in>>q.a>>q.b>>q.c;
 return in;
 }
 //putData() is not required as << is overloaded to display //values
 // void putData();
 //getData() is not required as >> is overloaded to input values
 // void getData();
 Quadratic operator +(Quadratic);
 void eval();
 void findRoots();

};
 /* void Quadratic::getData()
 {

cout<<"\nEnter values of a, b and c\n";
 cin>>a>>b>>c;
 }
 void Quadratic::putData()
 {
 cout<<"\nValues of a,b and c are\t"<<a<<"\t"<<b<<"\t"<<c;
 }
 */
 void Quadratic::eval()
 {
 cout<<"\nEnter value of x\n";
 cin>>x;
 int result=(a*x*x)+(b*x)+c;
 cout<<"\nFor x= "<<x<<" Answer is : "<<result<<endl;
 }
 void Quadratic::findRoots()
 {
 int temp=(b*b)-(4*a*c);
 if(temp>0)
 {
 float r1=(-b+sqrt(temp))/(2.0*a);
 float r2=(-b-sqrt(temp))/(2.0*a);
 cout<<"\nRoots are real and different";
 cout<<"\nRoot1= "<<r1;
 cout<<"\nRoot2= "<<r2;
 }
 else if(temp==0)
 {
 cout<<"\nRoots are real and equal";
 float r=(-b+sqrt(temp))/(2.0*a);
 cout<<"\nEqual Roots are"<<r;

}
 else
 {
 cout << "\nRoots are complex and different." << endl;
 float real = -b/(2*a);
 float imaginary =sqrt(-temp)/(2*a);
 cout << "Root1 = " << real << "+" << imaginary << "i" << endl;
 cout << "Root2 = " << real << "-" << imaginary << "i" << endl;

}
 }

Quadratic Quadratic::operator +(Quadratic q)
 {
 Quadratic temp;
 temp.a=this->a+q.a;
 temp.b=this->b+q.b;
 temp.c=this->c+q.c;
 return temp;
 }
 int main()
 {

Quadratic q1,q2,q3;
 cin>>q1;
 cin>>q2;
 q3=q1+q2;
 cout<<"\nQuadratic equation 1, its roots and result\n";
 cout<<q1;
 q1.findRoots();
 q1.eval();
 cout<<"\nQuadratic equation 2, its roots and result\n";
 cout<<q2;
 q2.findRoots();
 q2.eval();
 cout<<"\nQuadratic equation 3, its roots and result\n";
 q3.findRoots();
 q3.eval();
 return 0;
 }