this is what i have and i can't figure out how to utilize the cout.precision(n). if you have any information on a code please i would appreciate your help a lot. i have to get calculations using double and float. using these calculations of pi. any help is very much appreciatedCode:`#include <iostream>`

using namespace std;

int main ()

{

int pi1,pi2,count, x=-1, var;

while (count<1000000000){

cout.precision(7);

pi1=1+x(1/var);

var=var+2;

x=x*-1;}

if (pi1==pi2){

count ++;}

return 0;

}

Leibniz ð / 4 = 1 - 1/3 + 1/5 - 1/7 + 1/9 - 1/11 + 1/13 - 1/15 + 1/17 - ...

Euler ð^2 / 6 = 1 + 1/2^2 + 1/3^2 + 1/4^2 + ...

the assignment is at http://cs.ua.edu/114/assignments/program2.htm

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