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complex_number.cpp
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50 lines (45 loc) · 1.38 KB
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#include <iostream>
#include <iomanip>
using namespace std;
class complex_number
{
private:
double real_component;
double imaginary_component;
public:
complex_number(double real = 0, double imaginary = 0)
: real_component(real), imaginary_component(imaginary) {}
friend complex_number operator+ (complex_number & op1, complex_number & op2);
friend complex_number operator- (complex_number & op1, complex_number & op2);
friend ostream & operator<< (ostream & os, complex_number & complex);
};
int main(void)
{
complex_number a(1,1);
complex_number b(2,3);
cout << a << b;
complex_number c = a + b;
complex_number d = b - a;
cout << c << d;
return 0;
}
complex_number operator+ (complex_number & op1, complex_number & op2)
{
complex_number result(0,0);
result.real_component = op1.real_component + op2.real_component;
result.imaginary_component = op1.imaginary_component + op2.imaginary_component;
return result;
}
complex_number operator- (complex_number & op1, complex_number & op2)
{
complex_number result(0,0);
result.real_component = op1.real_component - op2.real_component;
result.imaginary_component = op1.imaginary_component - op2.imaginary_component;
return result;
}
ostream & operator<< (ostream & os, complex_number & complex)
{
os << setiosflags(ios::fixed) << setprecision(2) << complex.real_component;
os << "+" << complex.imaginary_component << "i" <<endl;
return os;
}