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Author: Mayuri-cell

Complex_numbers.cpp

@@ -0,0 +1,123 @@
+/* Title : To perform the following operations on Complex numbers:
+           Add, subtract, multiply, divide, complex conjugate,Modulus. */
+
+/* Program Code : */
+#include <iostream>
+#include<cmath>
+using namespace std;
+class complex
+{
+float real, img;
+public:
+void display();
+void read();
+void add(complex,complex);
+void sub(complex,complex);
+void multiply(complex,complex);
+void divide(complex,complex);
+void conjugate(complex);
+float modulus(complex);
+};
+int main()
+{
+ complex sum,su,mult,div,conj,c1,c2,c,mod ;
+int opt;
+do{
+cout<<"ENTER THE OPTION" ;
+cout<<"\n1.ADD \n2.SUB \n3.Multiply \n4.Divide \n5.Conjugate \n6.Modulus"<<'\n'<<endl;
+cin>>opt;
+switch(opt)
+{
+  case 1 : c1.read();
+           c2.read();
+           cout<<"Sum is :"<<endl;
+           sum.add(c1,c2);
+           break;
+  case 2 : c1.read();
+           c2.read();
+           cout<<"Difference is :";
+           su.sub(c1,c2);
+           break;
+  case 3 : c1.read();
+           c2.read();
+           cout<<"Muliplication is : "<<endl;
+           mult.multiply(c1,c2);
+           break;
+  case 4 : cout<<"Enter dividant and then divisior"<<endl;
+           c1.read();
+           c2.read();
+           cout<<"Division is :"<<endl;
+           div.divide(c1,c2);
+           break;
+  case 5 : c.read();
+           cout<<"Conjuage is :"<<endl;
+           conj.conjugate(c);
+           break;
+  case 6 : c.read();
+           cout<<"Modulus of the given complex number is : "<<endl;
+           cout<<mod.modulus(c)<<endl;
+           break;
+}
+ cout<<"\n Wish to continue ? : Press 1 or 0 \n1.Yes 0.No\n";
+ cin>>opt; }
+ while(opt!=0);
+return 0;
+}
+
+void complex :: read()
+{
+cout<<"Enter real and imaginary part : ";
+cin>>real>>img;
+}
+void complex :: display()
+{
+  if(img>=0)
+{ cout<<real<<"+"<<img<<"i"<<endl; }
+ else
+  cout<<real<<img<<"i"<<endl;
+}
+
+void complex :: add(complex c1,complex c2)
+{
+real = c1.real+c2.real;
+img = c1.img+c2.img;
+display();
+
+}
+void complex :: sub(complex c1 , complex c2)
+{
+
+  real=c1.real-c2.real ;
+  img = c1.img-c2.img ;
+
+  display();
+}
+void complex :: multiply(complex c1 , complex c2)
+{
+  real=(c1.real*c2.real)-(c1.img*c2.img);
+  img=(c1.real*c2.img)+(c1.img*c2.real);
+
+  display();
+}
+void complex :: divide(complex c1 , complex c2)
+{  int i;
+  float r ,im;
+   i=(c2.real)*(c2.real) + (c2.img)*(c2.img);
+   real=(c1.real*c2.real)-(c1.img*c2.img*(-1));
+   img=(c1.real*c2.img*(-1))+(c1.img*c2.real);
+   real=real/i;
+   img=img/i;
+  display();
+}
+void complex :: conjugate(complex c)
+{ int t;
+  real=c.real;
+  img=-c.img;
+  display();
+}
+float complex ::modulus(complex c)
+{
+  float k;
+  k=sqrt(c.img*c.img+ c.real*c.real) ;
+  return k;
+}