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// complex.h
#ifndef COMPLEX_H
#define COMPLEX_H
class Complex{
private:
double realPart, imaginaryPart;
public:
Complex(double real, double imaginary);
void addition(const Complex &a);
void subtraction(const Complex &s);
void printComplex();
void setComplexNumber(double real, double imaginary);
};
#endif
// complexm.cpp
// member function definitions for class Complex
#include <iostream>
#include "complex.h"
using std::cout;
using std::endl;
Complex::Complex(double real, double imaginary)
{
setComplexNumber(real, imaginary);
}
// add complex numbers
void Complex::addition(const Complex &a)
{
/* Write statement to add the realPart of a to the class realPart */
realPart += a.realPart;
/* Write statement to add the imaginaryPart of a to the class imaginaryPart */
imaginaryPart += a.imaginaryPart;
} // end function addition
// subtract complex numbers
void Complex::subtraction(const Complex &s)
{
/* Write a statement to subtract the realPart of s from the class realPart */
realPart -= s.realPart;
/* Write a statement to subtract the imaginaryPart of s from the class imaginaryPart */
imaginaryPart -= s.imaginaryPart;
} // end function subtraction
// print complex numbers
void Complex::printComplex()
{
cout << ‘(‘ << realPart << ", " << imaginaryPart << ‘)‘;
} // end function printComplex
// set complex number
void Complex::setComplexNumber(double real, double imaginary)
{
realPart = real;
imaginaryPart = imaginary;
} // end function setComplexNumber
// complexTest.cpp
#include <iostream>
#include"complex.h"
using std::cout;
using std::endl;
int main()
{
Complex b(1, 7), c(9, 2);
b.printComplex();
cout << " + ";
c.printComplex();
cout << " = ";
b.addition(c);
b.printComplex();
cout << ‘\n‘;
b.setComplexNumber(10, 1);
c.setComplexNumber(11, 5);
b.printComplex();
cout << " - ";
c.printComplex();
cout << " = ";
b.subtraction(c);
b.printComplex();
cout << endl;
return 0;
} // end main
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原文地址：http://www.cnblogs.com/Merida/p/4477211.html
