C复数数据类型的性质

typedef struct {
    double real;  // 实部
    double imag;  // 虚部
} Complex;

#include <stdio.h>

typedef struct {
    double real;
    double imag;
} Complex;

Complex add(Complex a, Complex b) {
    Complex result;
    result.real = a.real + b.real;
    result.imag = a.imag + b.imag;
    return result;
}

Complex multiply(Complex a, Complex b) {
    Complex result;
    result.real = a.real * b.real - a.imag * b.imag;
    result.imag = a.real * b.imag + a.imag * b.real;
    return result;
}

int main() {
    Complex a = {1.0, 2.0};
    Complex b = {3.0, 4.0};
    Complex sum = add(a, b);
    Complex product = multiply(a, b);
    printf("Sum: %.2f + %.2fi\n", sum.real, sum.imag);
    printf("Product: %.2f + %.2fi\n", product.real, product.imag);
    return 0;
}