Create Representative of Complex number.cpp

Creatr Representative of Complex number.cpp

@@ -0,0 +1,89 @@
+#include <iostream>
+#include <cmath>
+using namespace std;
+int r,i,num;
+class complex
+{ int real,img; public: complexnum(int ,int ); void display();
+void addreal(); void addimg();
+void subreal();
+void subimg();
+};
+complex::complexnum(int r,int i)
+{
+real=r;
+img=i;
+}
+void complex::display()
+{
+char ch;
+if(img>=0)
+ch='+';
+else
+ch='-';
+cout<<" "<<real<<ch<<abs(img)<<"i"<<endl;
+}
+void complex::addreal()
+{
+cout<<"Enter the no to add:\n";
+cin>>num;
+real=r+num;
+}
+void complex::addimg()
+{
+cout<<"Enter the no to add:\n";
+cin>>num;
+img=i+num;
+}
+void complex::subreal()
+{
+cout<<"Enter the no to sub:\n";
+cin>>num;
+real=r-num;
+}
+void complex::subimg()
+{
+cout<<"Enter the no to sub:\n";
+cin>>num;
+img=i-num;
+}
+int main()
+{
+complex c;
+cout<<"Enter the real part of complex number:\n"; cin>>r;
+cout<<"Enter the imaginary part of complex number:\n";
+cin>>i;
+c.complexnum (r,i);
+int ch;
+do
+{
+cout<<" What do you want to do:\n";
+cout<<" 1.Display complex number\n 2.Add a real number\n 3.Subtract a real number\n 4.Add a imaginary number\n 5.Subtract a imaginary number\n 6.Exit\n";
+cin>>ch;
+switch(ch)
+{
+case 1:cout<<" The complex number is:\n";
+c.display();
+break;
+case 2:c.addreal();
+cout<<"result:\n";
+c.display();
+break;
+case 3:c.subreal();
+cout<<"result:\n";
+c.display();
+break;
+case 4:c.addimg();
+cout<<"result:\n";
+c.display();
+break;
+case 5:c.subimg();
+cout<<"result:\n";
+c.display();
+break;
+case 6: cout<<"Exiting now";
+break;
+default:cout<<"Invalid Choice\n";
+}
+}while(ch!=6);
+return 0;
+}