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法律研究C++程序：通过传递结构体到函数来添加复数
复数是表示为 a+bi 的数，其中 i 是虚数单位，a 和 b 是实数。一些复数的例子如下：
2+5i 3-9i 8+2i
通过传递结构体到函数来添加复数的程序如下所示：
示例
#include <iostream>
using namespace std;
typedef struct complexNumber {
float real;
float imag;
};
complexNumber addCN(complexNumber num1,complexNumber num2) {
complexNumber temp;
temp.real = num1.real + num2.real;
temp.imag = num1.imag + num2.imag;
return(temp);
}
int main() {
complexNumber num1, num2, sum;
cout << "Enter real part of Complex Number 1: " << endl;
cin >> num1.real;
cout << "Enter imaginary part of Complex Number 1: " << endl;
cin >> num1.imag;
cout << "Enter real part of Complex Number 2: " << endl;
cin >> num2.real;
cout << "Enter imaginary part of Complex Number 2: " << endl;
cin >> num2.imag;
sum = addCN(num1, num2);
if(sum.imag >= 0)
cout << "Sum of the two complex numbers is "<< sum.real <<" + "<< sum.imag <<"i";
else
cout << "Sum of the two complex numbers is "<< sum.real <<" + ("<< sum.imag <<")i";
return 0;
}输出
以上程序的输出如下所示：
Enter real part of Complex Number 1: 5 Enter imaginary part of Complex Number 1: -9 Enter real part of Complex Number 2: 3 Enter imaginary part of Complex Number 2: 6 Sum of the two complex numbers is 8 + (-3)i
在以上程序中，结构体 complexNumber 包含复数的实部和虚部。如下所示：
struct complexNumber {
float real;
float imag;
};函数 addCN() 接收两个 complexNumber 类型的参数，并添加这两个数的实部和虚部。然后，将添加后的值返回到 main() 函数。如下所示：
complexNumber addCN(complexNumber num1,complexNumber num2) {
complexNumber temp;
temp.real = num1.real + num2.real;
temp.imag = num1.imag + num2.imag;
return(temp);
}在 main() 函数中，从用户获取数字的值。如下所示：
cout << "Enter real part of Complex Number 1: " << endl; cin >> num1.real; cout << "Enter imaginary part of Complex Number 1: " << endl; cin >> num1.imag; cout << "Enter real part of Complex Number 2: " << endl; cin >> num2.real; cout << "Enter imaginary part of Complex Number 2: " << endl; cin >> num2.imag;
通过调用 addCN() 函数获得两个数的和。然后打印该和。如下所示：
sum = addCN(num1, num2);
if(sum.imag >= 0)
cout << "Sum of the two complex numbers is "<< sum.real <<" + "<< sum.imag <<"i";
else
cout << "Sum of the two complex numbers is "<< sum.real <<" + ("<< sum.imag <<")i";
更新于: 2020年6月25日
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