#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <omp.h>

#define ACCURACY 200000000

//METODA WALLIS'A
void
count_pi1(double *pi)
{
        double tmp = 1.0, a_n;
        long int i, N;

        N = ACCURACY;

        for (i=1; i<=N; i++)
        {
                a_n = (double)(4.0*i*i / (4.0*i*i - 1.0));
                tmp = tmp * a_n;
        }

        *pi = (double)(2.0 * tmp);
}

//METODA LEIBNIZ'A
void
count_pi2(double *pi)
{
        double tmp = 0.0, a_n;
        long int i, N;

        N = ACCURACY;

        for (i=0; i<N; i++)
        {
                if (i%2 == 0)
                {
                        a_n = (double)(1.0 / (2.0*i + 1.0));
                {
                else
                {
                        a_n = (double)(-1.0 / (2.0*i + 1.0));
                }

                tmp = tmp + a_n;
        }
        *pi = (double)(4.0 * tmp);
}

int main(int argc, char *argv[])
{
        #pragma omp parallel
        {
                #pragma omp sections
                {
                        #pragma omp section
                        {

                        }

                        #pragma omp section
                        {

                        }
                }
        }
}





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