求pi的近似值

求·pi近似值
题目：pi^2/6=1/12+1/2^2+……+1/n2,求pi的近似值

#include<stdio.h>
#include<math.h>
int main()
{
	float pi = 0.0, i = 1.0, n ,s=0.0;
	n=1.0/(i*i);
	while (fabs(n) >= 1e-6)
	{
		n=1.0/(i*i);
		s += n;
		i++;
	}
	pi=sqrt(s*6);
	printf("pi=%10.8f\n", pi);
	return 0;

}

标签：pi,1.0,0.0,include,近似值,main
来源： https://blog.csdn.net/m0_55951222/article/details/114728731