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| Define a class complex with two data members real & imag.#include #include class Ccomplex{ private: double real, img; public: Ccomplex(){} Ccomplex(double r, double i){ real = r; img = i; } friend Ccomplex operator+(Ccomplex &, Ccomplex &); friend Ccomplex operator-(Ccomplex &, Ccomplex &); friend Ccomplex operator*(Ccomplex &, Ccomplex &); friend Ccomplex operator*(Ccomplex &, double); friend ostream& operator<<(ostream &, Ccomplex &); friend istream& operator>>(istream &, Ccomplex &); };Ccomplex operator+(Ccomplex &c1, Ccomplex &c2){ return Ccomplex(c1.real + c2.real, c1.img + c2.img); }Ccomplex operator-(Ccomplex &c1, Ccomplex &c2){ return Ccomplex(c1.real - c2.real, c1.img - c2.img); }Ccomplex operator*(Ccomplex &c1, Ccomplex &c2){ return Ccomplex(c1.real * c2.real, c1.img * c2.img); }Ccomplex operator*(Ccomplex &c1, double num){ return Ccomplex(c1.real * num, c1.img * num); }ostream& operator<<(ostream &Mout, Ccomplex &Oc){ return Mout<<"\n Real: "< } void main(){ Ccomplex Oc; Ccomplex Oc1(3.1, 4.1); Ccomplex Oc2(4.2, 5.7); double num= 10; clrscr(); cout<<"\n Sum of two Complex No's:- "; Oc = Oc1 + Oc2; cout< cout<<"\n\n Difference of two Complex No's:- "; Oc = Oc1 - Oc2; cout< cout<<"\n\n Product of two Complex No's:- "; Oc = Oc1 * Oc2; cout< cout<<"\n\n Product of Complex No with Constant:-"; Oc = Oc1 * num; cout< getch(); } |
1. Email is one of the common ways by which your computer can catch a virus . So it is always recommended to stay away from SPAM. Open only those emails that has it’s origin from a trusted source such as those which comes from your contact list. If you are using your own private email host (other than gmail, yahoo, hotmail etc.) " then it is highly recommended that you use a good anti-spam software. And finally NEVER click on any links in the emails that comes from untrusted sources. 2. USB thumb/pen drives is another common way by which viruses spread rapidly." So it is always a good habit to perform a virus scan before copying any data onto your computer. NEVER double-click the pen drive to open it. Instead right-click on it and select the option “open”. This is a safe way to open a pen drive. 3. Be careful about using MS Outlook. Outlook is more susceptible to worms than other e-mail programs, unless you have efficient Anti-Virus programs running. Use Pegasus ...
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