Conan
Moderator
 Inregistrat: acum 17 ani
Postari: 198
|
|
/*Redefinirea operatorilor aritmetici +,-,*,/ ;a operatorilor de incrementare
++,--;a operatorului ==, si a operatorilor de deplasare << si >>
*/
#include <stdio.h>
#include <conio.h>
#include <iostream.h>
#include <math.h>
class complex
{private:
float x,y;
float m;
public:
complex();
complex(float,float);
// ~complex();
complex operator+(complex);
complex operator++();
complex operator--();
friend complex operator-(complex,complex);
friend complex operator*(complex,complex);
friend complex operator/(complex,complex);
friend complex operator== (complex,complex);
friend ostream &operator<<(ostream &out, complex &z);
friend istream &operator>>(istream &in, complex &z);
void setnr();
void afisare();
void modul();
};
//definire constructor implicit
complex::complex()
{
x=0;y=0;
}
//definire constructor cu parametru
complex::complex(float X,float Y)
{
x=X;y=Y;
}
/*complex::~complex()
{
cout<<"\ns-a apelat destructorul";
}
*/
//functie de afisare
void complex::afisare()
{
cout<<"\nre="<<x;
cout<<"\nim="<<y;
cout<<"\nnr. este: "<<x<<"+"<<y<<"i";
}
//functie de setare a numarului complex
void complex::setnr()
{
cout<<"x=";cin>>x;
cout<<"y=";cin>>y;
}
//redefinirea operatorului +
complex complex:: operator+(complex z)
{complex r;
r.x=z.x+x;
r.y=z.y+y;
return r;
}
//redefinirea operatorului -
complex operator-(complex z1,complex z2)
{complex z;
z.x=z1.x-z2.x;
z.y=z1.y-z2.y;
return z;
}
//redefinirea operatorului *
complex operator*(complex z1,complex z2)
{complex z;
z.x=z1.x*z2.x-z1.y*z2.y;
z.y=z2.x*z1.y+z1.x*z2.y;
return z;
}
//redefinirea operatorului /
complex operator/(complex z1,complex z2)
{complex z;
z.x= (z1.x*z2.x+z1.y*z2.y)/(z2.x*z2.x-z2.y*z2.y);
z.y= (z2.x*z1.y-z1.x*z2.y)/(z2.x*z2.x-z2.y*z2.y);
return z;
}
//redefinirea operatorului++
complex complex::operator++()
{complex r;
r.x=x+1;
r.y=y+1;
return r;
}
//redefinirea operatorului --
complex complex::operator--()
{complex r;
r.x=x-1;
r.y=y-1;
return r;
}
//redefinirea operatorului ==
/*complex operator== (complex z1,complex z2)
{complex r;
if ((r.x==x) && (r.y==y))
return 1;
else return 0;
} */
//redefinirea operatorului de deplasare <<
ostream &operator<<(ostream &out, complex &z)
{out<<"\n Nr complex este "<<z.x<<"+i*"<<z.y;
return out;
}
//redefinirea operatorului de deplasare >>
istream &operator>>(istream &in, complex &z)
{cout<<"\n Dati nr complex este ";
in>>z.x>>z.y;
return in;
}
//functie de calcul a modulului unui numar complex
void complex::modul()
{
m=sqrt(x*x+y*y);
cout<<"\nmodulul: "<<m;
}
void main()
{
clrscr();
complex z1(2,2);
complex z2(1,1);
complex z3;
//complex z;
//z.setnr();
//z.afisare();
//z.modul();
z1=z1++;
z1.afisare();
z2=z2--;
z2.afisare();
cin>>z3;
cout<<z3;
cout<<z2;
getch();
}
|
|
