计算复数的绝对值

[c]代码库

#include <stdio.h>
#include <math.h>

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;
}