1.定义复数Complex类,使用友元,完成复数的加法、减法、乘法和除

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导读： 1.定义复数Complex类，使用友元，完成复数的加法、减法、乘法和除法运算，以及对复数的输出。 Complex operator +(Complex c1, Complex c2) { Complex c3(0, 0); c3.real = c1.real + c2.real; c3.imag = c1.imag + c2.imag; return c3; } Complex operator

1.定义复数Complex类，使用友元，完成复数的加法、减法、乘法和除法运算，以及对复数的输出。

Complex operator +(Complex c1, Complex c2) { Complex c3(0, 0); c3.real = c1.real + c2.real; c3.imag = c1.imag + c2.imag; return c3; }

Complex operator -(Complex c1, Complex c2) { Complex c3(0, 0); c3.real = c1.real - c2.real; c3.imag = c1.imag - c2.imag; return c3; }

Complex operator *(Complex c1, Complex c2) { Complex c3(0, 0); c3.real = c1.real * c2.real - c1.imag * c2.imag; c3.imag = c1.real * c2.imag + c1.imag * c2.real;

return c3; } Complex operator /(Complex c1, Complex c2) { Complex c3(0, 0); c3.real = (c1.real * c2.real + c1.imag * c2.imag)/(c2.real *c2.real +c2.imag*c2.imag); c3.imag = (c2.real * c1.imag – c2.imag * c1.real)/(c2.real *c2.real +c2.imag*c2.imag); return c3; }

void main() { Complex c1(2, 8), c2(4, 5), c3(0, 0), c4(0, 0), c5(0, 0),c6(0,0); c1.print(); cout << "+"; c2.print(); c3 = c1 + c2; cout << "="; c3.print(); cout << endl;

c1.print(); cout << "-"; c2.print(); c4 = c1 - c2; cout << "="; c4.print(); cout << endl; c1.print(); cout << "*"; c2.print(); c5 = c1 * c2; cout << "="; c5.print(); cout << endl; c1.print(); cout << "/"; c2.print(); c6= c1 / c2; cout << "="; c6.print(); cout << endl;

}

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