cabs

函数名: cabs

功 能: 计算复数的绝对值

用 法: double cabs(struct complex z);

程序例:

#include

#include

int main(void)

{

struct complex z;

double val;

z.x = 2.0;

z.y = 1.0;

val = cabs(z);

printf("The absolute value of %.2lfi %.2lfj is %.2lf", z.x, z.y, val);

return 0;

}