Complex Numbers Class with lot's of features - Beginners / Lab Assignments Source Code in C++

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Home » C++ Home » Beginners / Lab Assignments Home » Complex Numbers Class with lot's of features

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Title	Complex Numbers Class with lot's of features
Author	Sanchit Karve
Author Email	born2c0de [at] hotmail.com
Description	This is a class that can be used for handling complex numbers.It includes overloaded operators and a == overloaded operator as well which can be used in a if or a while loop
Category	C++ » Beginners / Lab Assignments
Hits	381281
Code	Select and Copy the Code
#include <math.h> #include <iostream.h> #include <iomanip.h> #include <conio.h> class complex { private: float real; // Real Part float imag; // Imaginary Part public: complex(float,float); complex(complex&); complex operator +(complex); complex operator -(complex); complex operator (complex); complex operator /(complex); complex getconjugate(); complex getreciprocal(); float getmodulus(); void setdata(float,float); void getdata(); float getreal(); float getimaginary(); bool operator ==(complex); void operator =(complex); friend ostream& operator <<(ostream &s,complex &c); }; // CONSTRUCTOR complex::complex(float r=0.0f,float im=0.0f) { real=r; imag=im; } // COPY CONSTRUCTOR complex::complex(complex &c) { this->real=c.real; this->imag=c.imag; } void complex::operator =(complex c) { real=c.real; imag=c.imag; } complex complex::operator +(complex c) { complex tmp; tmp.real=this->real+c.real; tmp.imag=this->imag+c.imag; return tmp; } complex complex::operator -(complex c) { complex tmp; tmp.real=this->real - c.real; tmp.imag=this->imag - c.imag; return tmp; } complex complex::operator (complex c) { complex tmp; tmp.real=(realc.real)-(imagc.imag); tmp.imag=(realc.imag)-(imagc.real); return tmp; } complex complex::operator /(complex c) { float div=(c.realc.real) + (c.imagc.imag); complex tmp; tmp.real=(realc.real)+(imagc.imag); tmp.real/=div; tmp.imag=(imagc.real)-(realc.imag); tmp.imag/=div; return tmp; } complex complex::getconjugate() { complex tmp; tmp.real=this->real; tmp.imag=this->imag * -1; return tmp; } complex complex::getreciprocal() { complex t; t.real=real; t.imag=imag * -1; float div; div=(realreal)+(imagimag); t.real/=div; t.imag/=div; return t; } float complex::getmodulus() { float z; z=(realreal)+(imagimag); z=sqrt(z); return z; } void complex::setdata(float r,float i) { real=r; imag=i; } void complex::getdata() { cout<<"Enter Real:"; cin>>this->real; cout<<"Enter Imaginary:"; cin>>this->imag; } float complex::getreal() { return real; } float complex::getimaginary() { return imag; } bool complex::operator ==(complex c) { return (real==c.real)&&(imag==c.imag) ? 1 : 0; } ostream& operator <<(ostream &s,complex &c) { s<<"Real Part = "<<c.real<<endl <<"Imaginary Part = "<<c.imag<<endl; s<<"z = "<<c.real<<setiosflags(ios::showpos) <<c.imag<<"i"<<endl<<resetiosflags(ios::showpos); return s; } void main() { complex a(10.0f,-2.f); // Calls Constructor cout<<a<<endl; // Calls the overloaded << operator complex b(-2); // Calls Constructor complex c=b; // Calls Copy Constructor c=a; // calls overloaded = operator b.getdata(); // Calls Getdata() c.getdata(); if(b==c) // calls overloaded == operator cout<<"b == c"; else cout<<"b != c"; cout<<endl<<c.getmodulus()<<endl; // calls getmodulus function() complex d; d=a+b; // Calls overloaded + cout<<d<<endl; d=a-b; // Calls overloaded - cout<<d<<endl; d=ab; // calls overloaded cout<<d<<endl; d=a/b; // calls overloaded / cout<<d<<endl; getch(); }

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